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| 1 | Adsorption of benzene, cyclohexane and hexane on ordered mesoporous carbon显示文摘Ordered mesoporous carbon(OMC) with high specific surface area and large pore volume was synthesized and tested for use as an adsorbent for volatile organic compound(VOC)disposal. Benzene, cyclohexane and hexane were selected as typical adsorbates due to their different molecular sizes and extensive utilization in industrial processes. In spite of their structural differences, high adsorption amounts were achieved for all three adsorbates, as the pore size of OMC is large enough for the access of these VOCs. In addition, the unusual bimodal-like pore size distribution gives the adsorbates a higher diffusion rate compared with conventional adsorbents such as activated carbon and carbon molecular sieve. Kinetic analysis suggests that the adsorption barriers mainly originated from the difficulty of VOC vapor molecules entering the pore channels of adsorbents. Therefore, its superior adsorption ability toward VOCs, together with a high diffusion rate, makes the ordered mesoporous carbon a promising potential adsorbent for VOC disposal. | Gang Wang Baojuan Dou Zhongshen Zhang Junhui Wang Haier Liu Zhengping Hao | 2015 | Journal of Environmental Sciences2015，27，4： | 15 |
| 2 | Development of a surface modeling method for mapping soil properties显示文摘(HASM ) 高精确性表面建模是能被使用玷污性质插值的一个方法。在这份报纸,我们在场 HASM 的一个方法联合了地理信息让土壤性质插值(HASM-SP ) 改进精确性。把类型,陆地使用类型和父母岩石基于土壤, HASM-SP 被使用插入内推在典型红土壤玷污可得到的 P,李, pH, alkali-hydrolyzable N,全部的 K 和 Cr 多山的区域。评估 HASM-SP 的表演,我们把它的表演与作比较平常的 kriging (好) ,平常的 kriging 联合了地理信息(OK-Geo ) 并且成层 kriging (SK ) 。结果证明方法包括 HASM-SP 与地理信息结合了, OK-Geo 获得了更低的评价偏爱。HASM-SP 也看了更少的 MAE 和 RMSE 它什么时候与另外的三个方法(OK-Geo,好和 SK ) 相比。更多细节由于为土壤性质的空间变化给了突然的边界的地理信息的不同类型的联合为土壤性质在 HASM-SP 地图被介绍。因此, HASM-SP 不能仅仅减少预言错误而且能与地理信息的分发一致,它做土壤性质的空间模拟更合理。HASM-SP 让充实不仅高精确性表面当模特儿土壤性质的理论,而且在资源管理并且环境计划为申请提供了一个科学方法。 | SHI Wenjiao LIU Jiyuan DU Zhengping YUE Tianxiang | 2012 | Journal of Geographical Sciences2012，22，4： | 11 |
| 3 | Research on crystal growth and properties of a new nonlinear optical crystal:Bismuth borate BiB_3O_6显示文摘BiB3O6 (BIBO) single crystals with sizes of 44 mm × 24 mm × 10 mm and weight of 24.7 g have been successfully grown by the top-seeded method. In this note, the preparation of seed, the growth of crystal and some problems encountered are reported. The lattice parameters of BIBO are a =7.1203(7)A, b = 4.9948(7)A, c = 6.5077(7)A, β= 105.586(8) ', V=222.93(5)A3, which were determined by BRUKER-P4 four-circle diffractometer. BIBO is biaxial crystal and the relative orientation of (X, Y, Z) with regard to (a, b, c) is: X|| b, (Y, c) =47.2°, (Z, a) = 31.6°, determined by the X-ray analysis combined with polarized microscopy. The second-harmonic-generation (SHG) conversion efficiency of the sample for 1.064 μm light is up to 67.7%. We have also obtained the third harmonic generation (THG) of 1.064 μm, namely, 1.064 μm + 0.532 μn →0.355 μm. BIBO crystal is free of moisture and hygroscopy. | TENG Bing, WANG Jiyang, WANG Zhengping, JIANG Huaidong, SONG Renbo, LIU Hong, HU Xiaobo, LIU Yaogang, WEI Jingqian & SHAO ZongshuState Key Laboratory of Crystal Materials, Shandong University, Ji’nan 250100, China | 2001 | Chinese Science Bulletin2001，46，21： | 10 |
| 4 | Micromanufacturing technologies of compact heat exchangers for hypersonic precooled airbreathing propulsion: A review显示文摘The Hypersonic Precooled Combined Cycle Engine(HPCCE), which introduces precooler into traditional hypersonic engine, is regarded as the most promising propulsion system for realizing a single-stage-to-orbit vehicle. The unique demands lead to the application of the compact heat exchangers, which can realize high thrust-to-weight ratio, sufficient specific impulse and high compression ratio. However, it is challenging to accurately manufacture the compact heat exchanger due to its extremely high heat dissipation capacity, remarkable compactness, superior adaptability and harsh operating condition. This review summarizes the precooling schemes of combined cycle propulsions and describes the demands and key issues in the fabrication of a compact heat exchanger for HPCCE. The investigation focuses on the application of various micromanufacturing methods of heat exchangers constructed from tubes of less than 1 mm in diameter and microchannels of less than 200 micrometers. Various micromanufacturing processes, which include microforming, micromachining, stereolithography, chemical etching, 3 D printing, joining and other advanced microfabricating processes, were reviewed. In addition, the technologies are compared in terms of dimensional tolerance, material compatibility, and process applicability. Furthermore, the boundaries of the micromanufacturing constraints are specified as references for the design of compact heat exchangers. Ultimately, the technological difficulties and development trends are discussed for the fabrication of compact heat exchangers for HPCCE. | Bao MENG Min WAN Rui ZHAO Zhengping ZOU Huoxing LIU | 2021 | Chinese Journal of Aeronautics2021，34，2： | 10 |
| 5 | Effect of surface roughness on the aerodynamic performance of turbine blade cascade显示文摘The effect of surface roughness on the boundary development and loss behavior of turbine blades is investigated with different Reynolds numbers in this paper.The result shows that the velocity profile in boundary layer is plumper on rough surface than on smooth blade.The aerodynamic loss is lowered at low Reynolds number,but becomes significantly large at high Reynolds number.The total pressure loss coefficient of cascade can reach a top increase of 129%for rougher blades comparing with smooth blades at Re=300000. | Tao Bain Jingyuan Liu Weihao Zhang Zhengping Zou | 2014 | Propulsion and Power Research2014，3，2： | 9 |
| 6 | Removal of cobalt(II) ion from aqueous solution by chitosan–montmorillonite显示文摘Montmorillonite(MMT)modified with chitosan(CTS,molecular weight=5×104)was applied to remove heavy metal cations by using Co2+as a model ion.An increase in MMT interlayer distance observed from X-ray diffraction indicates the intercalation of CTS into MMT.Together with the results of scanning electron microscopy and Fourier transform infrared spectroscopy,it was concluded that the composite material of CTS and MMT(CTS–MMT)was prepared successfully.The mass ratio of CTS to MMT had a strong influence on the adsorption performance of CTS–MMT.The highest adsorption value of 150 mg/g was obtained over the composite material with CTS to MMT mass ratio of 0.25,which is much higher than those reported in other studies.The adsorption isotherms and kinetic results indicated that Co2+was adsorbed over CTS–MMT in a multilayer model,and the chemical sorption of Co2+was determined to be the rate-limiting step. | Hailin Wang Haoqing Tang Zhaotie Liu Xin Zhang Zhengping Hao Zhongwen Liu | 2014 | Journal of Environmental Sciences2014，26，9： | 8 |
| 7 | A fundamental theorem for eco-environmental surface modelling and its applications显示文摘We propose a fundamental theorem for eco-environmental surface modelling(FTEEM) in order to apply it into the fields of ecology and environmental science more easily after the fundamental theorem for Earth’s surface system modeling(FTESM). The Beijing-Tianjin-Hebei(BTH) region is taken as a case area to conduct empirical studies of algorithms for spatial upscaling, spatial downscaling, spatial interpolation, data fusion and model-data assimilation, which are based on high accuracy surface modelling(HASM), corresponding with corollaries of FTEEM. The case studies demonstrate how eco-environmental surface modelling is substantially improved when both extrinsic and intrinsic information are used along with an appropriate method of HASM. Compared with classic algorithms, the HASM-based algorithm for spatial upscaling reduced the root-meansquare error of the BTH elevation surface by 9 m. The HASM-based algorithm for spatial downscaling reduced the relative error of future scenarios of annual mean temperature by 16%. The HASM-based algorithm for spatial interpolation reduced the relative error of change trend of annual mean precipitation by 0.2%. The HASM-based algorithm for data fusion reduced the relative error of change trend of annual mean temperature by 70%. The HASM-based algorithm for model-data assimilation reduced the relative error of carbon stocks by 40%. We propose five theoretical challenges and three application problems of HASM that need to be addressed to improve FTEEM. | Tianxiang YUE Na ZHAO Yu LIU Yifu WANG Bin ZHANG Zhengping DU Zemeng FAN Wenjiao SHI Chuanfa CHEN Mingwei ZHAO Dunjiang SONG Shihai WANG Yinjun SONG Changqing YAN Qiquan LI Xiaofang SUN Lili ZHANG Yongzhong TIAN Wei WANG Ying’an WANG Shengnan MA Hongsheng HUANG Yimin LU Qing WANG Chenliang WANG Yuzhu WANG Ming LU Wei ZHOU Yi LIU Xiaozhe YIN Zong WANG Zhengyi BAO Miaomiao ZHAO Yapeng ZHAO Yimeng JIAO Ufra NASEER Bin FAN Saibo LI Yang YANG John PWILSON | 2020 | Science China Earth Sciences2020，63，8： | 7 |
| 8 | 35 W continuous-wave Ho:YAG single-crystal fiber laser显示文摘We report on a high-power Ho:YAG single-crystal fiber(SCF)laser inband pumped by a high-brightness Tm-fiber laser at 1908 nm.The Ho:YAG SCF grown by the micro-pulling-down technique exhibits a propagation loss of 0.05±0.005 cm^-1 at 2.09μm.A continuous-wave output power of 35.2 W is achieved with a slope efficiency of 42.7%,which is to the best of our knowledge the highest power ever reported from an SCF-based laser in the 2µm spectral range. | Yongguang Zhao Li Wang Weidong Chen Jianlei Wang Qingsong Song Xiaodong Xu Ying Liu Deyuan Shen Jun Xu Xavier Mateos Pavel Loiko Zhengping Wang Xinguang Xu Uwe Griebner Valentin Petrov | 2020 | High Power Laser Science and Engineering2020，8，2： | 7 |
| 9 | Study on Surface and Bulk Properties of Ce-5 % Lanthanum Alloy显示文摘The surface and bulk properties of Ce-5% La were studied with X-ray photoelectron spectroscopy (XPS)and X-ray diffraction (XRD), respectively.The XRD analysis shows that cerium in bulk is in γ-phase, and its lattice parameter is 0.516 nm.And we also find Ce2O3 in the bulk from the XRD figure but no existence of metal lanthanum because of its small quantity.The XPS analysis shows that there are always oxides existing in the surface.The O1s peak always exists at the binding energy of 530.3 eV, which may be attributed to Ce2O3 and La2O3, but no evidence was found for the existence of CeO2.It is concluded that there is a thick layer of Ce2O3 on the sample surface.And the Ce3d peak show multi-split in the figure, in which there are two peaks in each region, 3d5/2 and 3d3/2, and the binding energy of these peaks are 882.86, 887.70 eV for 3d5/2, and 901.44, 905.93 eV for 3d3/2.The special phenomena can be attributed to the changes of 4f electronic configuration, and the cerium in the sample exhibits properties similar to Ce2O3.But the influence of the addition of lanthanum to cerium is not visible, and further investigations are expected. | Luo Lizhu Wang Xiaolin Fu Xiaoguo Zhang Yanzhi Zhao Zhengping Liu Chunrong | 2004 | Journal of Rare Earths2004，22，z1： | 7 |
| 10 | Sulfur resource recovery based on electrolytic manganese residue calcination and manganese oxide ore desulfurization for the clean production of electrolytic manganese显示文摘An environmentally friendly and resource-conserving route to the clean production of electrolytic manganese was developed,in which the electrolytic manganese residue(EMR)was initially calcined for cement buffering;then the generated SO2-containing flue gas was managed using manganese oxide ore and anolyte(MOOA)desulfurization;at last,the desulfurized slurry was introduced to the electrolytic manganese production(EMP).Results showed that 4.0 wt%coke addition reduced the sulfur of calcined EMR to 0.9%,thereby satisfying the cement-buffer requirement.Pilot-scale desulfurization showed that about 7.5 vol%of high SO2 containing flue gas can be cleaned to less than 0.1 vol%through a five-stage countercurrent MOOA desulfurization.The desulfurized slurry had 42.44 g·L-Mn2+and 1.92 g·L-1 S2 O62-,which was suitable for electrowinning after purification,and the purity of manganese product was 99.93%,satisfy the National Standard of China YB/T051-2015.This new integrated technology fulfilled 99.7%of sulfur reutilization from the EMR and 94.1%was effectively used to the EMP.The MOOA desulfurization linked the EMP a closed cycle without any pollutant discharge,which promoted the cleaner production of EMP industry. | Dong Sun Lin Yang Ning Liu Wenju Jiang Xia Jiang Jianjun Li Zhengyou Yang Zhengping Song | 2020 | Chinese Journal of Chemical Engineering2020，28，3： | 7 |
| 11 | Flow Field Characteristics for Parachute-projectile System显示文摘In the current research for parachute flow field nowadays,the size of parachutes in previous research are so large compared with their carriers that the effects of the carriers wake flow to parachute are always neglected.Different from such large parachutes,the parachute size in this paper is on the same magnitude with the carrier,thus,the carrier can obviously affect the parachute flow field.In this paper,flow field characteristics of small parachute for projectile decelerating are researched through two approaches,namely,computational fluid dynamics(CFD) simulation and wind tunnel tests.Three parachutes with various sizes are chosen for study.Firstly,the CFD simulation of flow field around these parachutes is carried out,and then the CFD simulation of parachute-projectile systems is executed.According to the simulation results,the phenomenon is observed that in the simulations of parachutes there are two vortex-rings at the wind shadow of parachutes,however,in the second simulations of parachute-projectile systems,two additional vortex-rings emerge inside the parachutes.Due to these two inner vortex-rings,the pressure inside parachutes decreases.As a result,the drag of parachute in simulation of parachute-projectile systems is about 20% smaller compared with the prior one.In order to verify the numerical results of CFD simulations,wind tunnel tests are employed.In terms of the data of the wind tunnel tests,the CFD simulation for flow field characteristics is reasonable and feasible.The results of both CFD simulation and wind tunnel tests demonstrated the influence of projectile wake flow to parachute drag can not be neglected if the parachute size is on the same magnitude with projectile.The influence to parachute drag from the ratio of projectile diameter to parachute diameter is also analyzed both in CFD simulations and wind tunnel tests.The approach combined CFD simulation and wind tunnel tests proposed can be used to guide the design of such parachute whose size is on the same magnitude with carrier. | ZHU Yong LIU Li WANG Zhengping | 2011 | Chinese Journal of Mechanical Engineering2011，24，5： | 6 |
| 12 | Surface modification of hydrophobic NaYF_4:Yb,Er upconversion nanophosphors and their applications for immunoassay显示文摘β-NaYF4:Yb,Er upconversion nanophosphor (UCNP) is known as one of the most efficient NIR-to-visible upconversion materials, which shows great potential in bioanalytical chemistry and bioimaging. However, its applications are greatly limited due to its low water dispersibility and thus poor biocompatibility. In this paper, poly(acrylic acid) (PAA)-based ligand exchange strategies are carried out to modify oleic acid-capped hydrophobic β-NaYF4:Yb,Er UCNPs into hydrophilic ones. After efficient surface modification, the presence of free carboxylic acid groups on the surfaces of UCNPs results in high solubility in water, and also allows further conjugation with NH2-containing biomolecules. Facilitated by the covalent linkage between the-COOH groups on UCNPs surfaces and -NH2 groups in antigen/antibody, a sensitive immunosensor is constructed by using PAA-functionalized β-NaYF4:Yb,Er UCNPs as biolabels. Through monitoring the upconversion fluorescence intensity or fluorescent imaging of the final immunocomplexes, high sensitivity is achieved for the proposed immunoassay and as low as 0.1 ng/mL goat anti-human immunoglobulin G (IgG) can be detected, which suggests that PAA-modified UCNPs may serve as an ideal candidate for use as bioanalysis and bioimaging probes. | LIU ChengHui, WANG Zhe, WANG XiaoKe & LI ZhengPing Key Laboratory of Medicinal Chemistry and Molecular Diagnosis, Ministry of Education College of Chemistry and Environmental Science, Hebei University, Baoding 071002, China | 2011 | Science China Chemistry2011，54，8： | 6 |
| 13 | Inflammation-induced CD69^+ Kupffer cell feedback inhibits T cell proliferation via membrane-bound TGF-β1显示文摘Kupffer cells,tissue-resident macrophage lineage cell,are enriched in vertebrate liver.The mouse F4/80^+ Kupffer cells have been subclassified into two subpopulations according to their phenotype and function:CD68^+ subpopulation with potent reactive oxygen species(ROS) production and phagocytic capacities,and CD11b^+ subpopulation with a potent capacity to produce T helper 1 cytokines.In addition,CD11b^+ Kupffer cells/macrophages may be migrated from the bone marrow or spleen,especially in inflammatory conditions of the liver.For analyzing diverse Kupffer cell subsets,we infected mice with Listeria monocytogenes and analyzed the phenotype variations of hepatic Kupffer cells.During L.monocytogenes infection,hepatic CD69^+ Kupffer cells were significantly induced and expanded,and CD69^+ Kupffer cells expressed higher level of CD11 b,and particularly high level of membrane-bound TGF-β1(mTGF-β1) but lower level of F4/80.We also found that clodronate liposome administration did not eliminate hepatic CD69^+ Kupffer cell subset.We consider the hepatic CD69^+ Kupffer cell population corresponds to CD11b^+Kupffer cells,the bone marrow-derived population.Hepatic CD69^+ Kupffer cells suppressed Ag-nonspecific and OVA-specific CD4 T cell proliferation through mTGF-β1 both in vitro and in vivo,meanwhile,they did not interfere with activation of CD4 T cells.Thus,we have identified a new subset of inflammation-induced CD69^+ Kupffer cells which can feedback inhibit CD4 T cell response via cell surface TGF-β1 at the late stage of immune response against infection.CD69^+ Kupffer cells may contribute to protect host from pathological injure by preventing overactivation of immune response. | Xiang Zhang Zhengping Jiang Yan Gu Yanfang Liu Xuetao Cao Yanmei Han | 2016 | Science China(Life Sciences)2016，59，12： | 5 |
| 14 | Physico-chemical characterization and source tracking of black carbon at a suburban site in Beijing显示文摘Particles from ambient air and combustion sources including vehicle emission, coal combustion and biomass burning were collected and chemically pretreated with the purpose of obtaining isolated BC(black carbon) samples. TEM(transmission electron microscopy)results indicate that BC from combustion sources shows various patterns, and airborne BC appears spherical and about 50 nm in diameter with a homogeneous surface and turbostratic structure. The BET(Barrett–Emmett–Teller) results suggest that the surface areas of these BC particles fall in the range of 3–23 m2/g, with a total pore volume of 0.03–0.05 cm3/g and a mean pore diameter of 7–53 nm. The nitrogen adsorption–desorption isotherms are indicative of the accumulation mode and uniform pore size. O2-TPO(temperature programmed oxidation)profiles suggest that the airborne BC oxidation could be classified as the oxidation of amorphous carbon, which falls in the range of 406–490°C with peaks at 418, 423 and 475°C,respectively. Generally, the BC characteristics and source analysis suggest that airborne BC most likely comes from diesel vehicle emission at this site. | Hailin Wang Lei Nie Dan Liu Meiping Gao Minyan Wang Zhengping Hao | 2015 | Journal of Environmental Sciences2015，27，7： | 4 |
| 15 | Chinese expert consensus on conversion therapy for hepatocellular carcinoma(2021 edition)显示文摘Recent advances in systemic and locoregional treatments for patients with unresectable or advanced hepatocellular carcinoma(HCC)have resulted in improved response rates.This has provided an opportunity for selected patients with initially unresectable HCC to achieve adequate tumor downstaging to undergo surgical resection,a‘conversion therapy’strategy.However,conversion therapy is a new approach to the treatment of HCC and its practice and treatment protocols are still being developed.Review the evidence for conversion therapy in HCC and develop consensus statements to guide clinical practice.Evidence review:Many research centers in China have accumulated significant experience implementing HCC conversion therapy.Preliminary findings and data have shown that conversion therapy represents an important strategy to maximize the survival of selected patients with intermediate stage to advanced HCC;however,there are still many urgent clinical and scientific challenges for this therapeutic strategy and its related fields.In order to summarize and learn from past experience and review current challenges,the Chinese Expert Consensus on Conversion Therapy for Hepatocellular Carcinoma(2021 Edition)was developed based on a review of preliminary experience and clinical data from Chinese and non-Chinese studies in this field and combined with recommendations for clinical practice.Sixteen consensus statements on the implementation of conversion therapy for HCC were developed.The statements generated in this review are based on a review of clinical evidence and real clinical experience and will help guide future progress in conversion therapy for patients with HCC. | Hui-Chuan Sun Jian Zhou Zheng Wang Xiufeng Liu Qing Xie Weidong Jia Ming Zhao Xinyu Bi Gong Li Xueli Bai Yuan Ji Li Xu Xiao-Dong Zhu Dousheng Bai Yajin Chen Yongjun Chen Chaoliu Dai Rongping Guo Wenzhi Guo Chunyi Hao Tao Huang Zhiyong Huang Deyu Li Gang Li Tao Li Xiangcheng Li Guangming Li Xiao Liang Jingfeng Liu Fubao Liu Shichun Lu Zheng Lu Weifu Lv Yilei Mao Guoliang Shao Yinghong Shi Tianqiang Song Guang Tan Yunqiang Tang Kaishan Tao Chidan Wan Guangyi Wang Lu Wang Shunxiang Wang Tianfu Wen Baocai Xing Bangde Xiang Sheng Yan Dinghua Yang Guowen Yin Tao Yin Zhenyu Yin Zhengping Yu Bixiang Zhang Jialin Zhang Shuijun Zhang Ti Zhang Yamin Zhang Yubao Zhang Aibin Zhang Haitao Zhao Ledu Zhou Wu Zhang Zhenyu Zhu Shukui Qin Feng Shen Xiujun Cai Gaojun Teng Jianqiang Cai Minshan Chen Qiang Li Lianxin Liu Weilin Wang Tingbo Liang Jiahong Dong Xiaoping Chen Xuehao Wang Shusen Zheng Jia Fan 无 | 2022 | Hepatobiliary Surgery and Nutrition2022，11，2： | 4 |
| 16 | Mild metal-organic-gel route for synthesis of stable sub-5-nm metal-organic framework nanocrystals显示文摘 | Yue Qi Chun-Ting He Juntao Lin Shuping Lin Jin Liu Jinghong Huang Wei Xue Guicheng Yu Hsiu-Yi Chao Yexiang Tong Zhengping Qiao | 2017 | Nano Research2017，10，11： | 3 |
| 17 | Structured laser beams: toward 2-μm femtosecond laser vortices显示文摘Structured ultrashort-pulse laser beams, and in particular eigenmodes of the paraxial Helmholtz equation, are currently extensively studied for novel potential applications in various fields, e.g., laser plasma acceleration,attosecond science, and fine micromachining. To extend these prospects further, in the present work we push forward the advancement of such femtosecond structured laser sources into the 2-μm spectral region. Ultrashortpulse Hermite– and Laguerre–Gaussian laser modes both with a pulse duration around 100 fs are successfully produced from a compact solid-state laser in combination with a simple single-cylindrical-lens converter. The negligible beam astigmatism, the broad optical spectra, and the almost chirp-free pulses emphasize the high reliability of this laser source. This work, as a proof of principle study, paves the way toward few-cycle pulse generation of optical vortices at 2 μm. The presented light source can enable new research in the fields of interaction with organic materials, next generation optical detection, and optical vortex infrared supercontinuum. | Yongguang Zhao Li Wang Weidong Chen Pavel Loiko Xavier Mateos Xiaodong Xu Ying Liu Deyuan Shen Zhengping Wang Xinguang Xu Uwe Griebner Valentin Petrov | 2021 | Photonics Research2021，9，3： | 3 |
| 18 | Single-component chemically amplified i-line molecular glass photoresist based on calix[4]resorcinarenes显示文摘Calix[4]resorcinarene, prepared by the acidcatalyzed condensation of resorcinol and paraldehyde, was used as the core of the molecular glass compound. The hydroxyl groups of calix[4]resorcinarene were partly protected by tert-butoxycarbonyl(t-BOC) and then esterified with 2-diazo-1-naphthoquinone-4-sulfonyl chloride(2,1,4-DNQ-Cl). Upon irradiation to 365 nm light, the 2,1,4-DNQ groups undergo photolysis to generate a small quantity of sulfonic acid other than indene carboxylic acid. The generated sulfonic acid can further catalyze the deprotection of the t-BOC group. So, a new type of single-component chemically amplified i-line positive photoresist can be formed by the molecular glass compounds. The lithographic performance of the resist was evaluated with high resolution and photosensitivity with an i-line stepper. | Juan Liu Zhengping Liu Liyuan Wang Haiyan Sun | 2014 | Chinese Science Bulletin2014，59，11： | 2 |
| 19 | Switching emissions of two tetraphenylethene derivatives with solvent vapor, mechanical, and thermal stimuli显示文摘Two derivatives of tetraphenylethene (TPE) were synthesized through one step cross McMurry coupling reaction. Both luminogens exhibit aggregation-induced emission (AIE) and crystallization induced emission enhancement (CIEE). The emissions of both luminogens could be switched between blue and green through reversible modulation of morphology with thermal, organic solvent fuming and mechanical stimuli. Thus we provide a possible design strategy for emission switching materials. | SHI JunQing ZHAO WeiJun LI CuiHong LIU ZhengPing BO ZhiShan DONG YuPing DONG YongQiang TANG Ben Zhong | 2013 | Chinese Science Bulletin2013，58，22： | 2 |
| 20 | Comparision of China's volatile organic compound pollution management:a computable general equilibrium approach显示文摘The public health and ecological impacts of volatile organic compound(VOCs) pollution have become a serious problem in China,arousing increasing attention to emissions control.In this context,this paper analyses the effectiveness of VOC reduction policies,namely pollution charges and environmental taxes at the national and industrial sector levels.It uses a computable general equilibrium model,which connects macroeconomic variables with VOC emissions inventory,to simulate the effects of policy scenarios(with 2007 as the reference year).This paper shows that VOC emissions are reduced by 2.2% when a pollution charge equal to the average cost of engineering reduction methods-the traditional approach to regulation in China-is applied.In order to achieve a similar reduction,an 8.9% indirect tax would have to be imposed.It concludes that an environmental tax should be the preferred method of VOC regulation due to its smaller footprint on the macroeconomy.Other policies,such as subsidies,should be used as supplements. | Yufei Wang Changxin Liu Tong Wu Zhengping Hao Zheng Wang | 2016 | Chinese Journal of Population,Resources and Environment2016，16，4： | 2 |
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