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Search Results: 1 - 10 of 85203 matches for " WU Wen-Ying "
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Carbon emission permit allocation and trading
CHEN Wen-ying,WU Zong-xin,
CHEN Wenying
,WU Zongxin

环境科学学报(英文版) , 1999,
Abstract: IntroductionInrecentyears,moreandmoreevidencesshowthatgreenhousegasesemissionshavebeguntoinfluenceglobalclimate.Greenhouseeffectisoneofthemostrigorouschallengesnowadaysweface.Sincebothcauseandimpactofclimatechangeareglobal,thewholeworldshouldtakeacti…
The Construction of Multi Out-put Hyper Bent Functions

Zhang Wen-ying,Wu Chuan-kun,

电子与信息学报 , 2007,
Abstract: Hyper Bent functions achieve the maximal minimum distance to all the m sequences.In this paper, the relationship between the hyper Bent function on F22m and the Bent function on GF2m(2) is studied and two methods for constructing vectorial hyper Bent functions on Fp2m are proposed as well.
Wen-Ying Li,Li-Sheng Mao,Long Lu,Hong-Wu He
Acta Crystallographica Section E , 2008, DOI: 10.1107/s1600536808004443
Abstract: In the title compound, [Ir(C10H8N3)(C11H8N)2], the Ir center is octahedrally coordinated by the three chelating ligands, with two cyclometalated 2-pyridylphenyl ligands [Ir—N = 2.049 (5) and 2.030 (5) ; Ir—C = 2.016 (6) and 2.012 (6) ] and a bidentate 2-(phenyldiazenyl)pyrrolate ligand [Ir—N = 2.204 (5) and 2.079 (5) ]. The Ir—N(diazenyl) bond is longer than the Ir—N(pyrrolate) bond. The structure is stabilized by aromatic π–π stacking, the shortest parallel distance between ring centroids being 3.426 (8) ..
GHG emission reductions and costs to achieve Kyoto target
CHEN Wen-ying,

环境科学学报(英文版) , 2003,
Abstract: Emission projection and marginal abatement cost curves (MACs) are the central components of any assessment of future carbon market, such as CDM (clean development mechanism) potentials, carbon quota price etc. However, they are products of very complex, dynamic systems driven by forces like population growth, economic development, resource endowments, technology progress and so on. The modeling approaches for emission projection and MACs evaluation were summarized, and some major models and their results were compared. Accordingly, reduction and cost requirements to achieve the Kyoto target were estimated. It is concluded that Annex I Parties' total reduction requirements range from 503-1304 MtC with USA participation and decrease significantly to 140-612 MtC after USA's withdrawal. Total costs vary from 21-77 BUSD with USA and from 5-36 BUSD without USA if only domestic reduction actions are taken. The costs would sharply reduce while considering the three flexible mechanisms defined in the Kyoto Protocol with domestic actions' share in the all mitigation strategies drops to only 0-16% .
Screening and Characterization of Phenol Degrading Bacteria for the Coking Wastewater Treatment

CHEN Chun,LI Wen-ying,WU Jing-wen,LI Jing,

环境科学 , 2012,
Abstract: 焦化废水中苯酚类及其衍生物的降解率高低是焦化废水COD是否达标排放的关键.采用不同培养基和菌种驯化方法,从焦化废水厂活性污泥中分离筛选获得4株苯酚降解菌,经生理生化和16S rDNA分子鉴定,A1为球杆菌属Sphaerobacter,C1为鲍曼不动杆菌Acinetobacter baumannii; D2为睾丸酮丛毛单胞菌Comamonas testosterone; D3为Novosphingobium naphthalenivorans.4株降酚菌均具有较高的苯酚耐受力和降解效率,是生物法处理酚类污染废水优质的种质资源.菌株D2不仅对苯酚具较高耐受力达到2000 mg·L-1、且在48 h内可将初始浓度为1000 mg·L-1的苯酚完全降解.环境因子考察研究表明,pH为7.5~8.5,温度为30~40℃范围内,转速为150 r·min-1,是菌株D2的最优降解条件,本研究结果为构建高效处理焦化废水基因工程菌提供了微生物基础.
Withanolides-Induced Breast Cancer Cell Death Is Correlated with Their Ability to Inhibit Heat Protein 90
Hui-Chun Wang, Yi-Ling Tsai, Yang-Chang Wu, Fang-Rong Chang, Mei-Hsin Liu, Wen-Ying Chen, Chin-Chung Wu
PLOS ONE , 2012, DOI: 10.1371/journal.pone.0037764
Abstract: Withanolides are a large group of steroidal lactones found in Solanaceae plants that exhibit potential anticancer activities. We have previously demonstrated that a withanolide, tubocapsenolide A, induced cycle arrest and apoptosis in human breast cancer cells, which was associated with the inhibition of heat shock protein 90 (Hsp90). To investigate whether other withanolides are also capable of inhibiting Hsp90 and to analyze the structure-activity relationships, nine withanolides with different structural properties were tested in human breast cancer cells MDA-MB-231 and MCF-7 in the present study. Our data show that the 2,3-unsaturated double bond-containing withanolides inhibited Hsp90 function, as evidenced by selective depletion of Hsp90 client proteins and induction of Hsp70. The inhibitory effect of the withanolides on Hsp90 chaperone activity was further confirmed using in vivo heat shock luciferase activity recovery assays. Importantly, Hsp90 inhibition by the withanolides was correlated with their ability to induce cancer cell death. In addition, the withanolides reduced constitutive NF-κB activation by depleting IκB kinase complex (IKK) through inhibition of Hsp90. In estrogen receptor (ER)-positive MCF-7 cells, the withanolides also reduced the expression of ER, and this may be partly due to Hsp90 inhibition. Taken together, our results suggest that Hsp90 inhibition is a general feature of cytotoxic withanolides and plays an important role in their anticancer activity.
Molecular Cloning of a New Immunomodulatory Protein from Anoectochilus formosanus which Induces B Cell IgM Secretion through a T-Independent Mechanism
Yen-Chou Kuan,Tsai-Jen Wu,Che-Yu Kuo,Ju-Chun Hsu,Wen-Ying Chang,Fuu Sheu
PLOS ONE , 2012, DOI: 10.1371/journal.pone.0021004
Abstract: An immunomodulatory protein (IPAF) was purified and cloned from Anoectochilus formosanus, an Orchidaceae herbal plant in Asia. The major targeting immune cells of IPAF and its modulating effects toward B lymphocytes were investigated. Rapid amplification of cDNA ends (RACE) was conducted to clone the IPAF gene, and the obtained sequence was BLAST compared on the NCBI database. MACS-purified mouse T and B lymphocytes were stimulated with IPAF and the cell proliferation, activation, and Igs production were examined. IPAF comprised a 25 amino acids signal peptide and a 138 amino acids protein which was homologous to the lectins from Orchidaceae plant. IPAF selectively induced the cell proliferation in mouse splenic B lymphocytes but not T lymphocytes. The IPAF-induced B cells exhibited increased CD69 and MHC class II expression, and a dose- and time-dependent enhancement in IgM production. These results suggested potential benefits of IPAF to strengthen the humoral immunity.
Changes among soil nematode community characteristics in relation to different vegetation restoration practices in the moderate degraded grasslands of Songnen

WU Dong-Hui,YIN Wen-Ying,BU Zhao-Yi,

生态学报 , 2008,
Abstract: 2005年5月~10月对松嫩草原中度退化草地不同植被恢复方式样地进行土壤线虫调查,淘洗-过筛-蔗糖离心法提取土壤线虫,应用类群属数、个体密度、多样性指数和功能类群指数等多个群落参数,研究中度退化草地不同植被恢复方式间土壤线虫群落特征的差异.研究共捕获线虫13 713条,分别隶属于线虫动物门2纲7目24科40属,个体密度平均113条/100g干土.研究结果表明,不同植被恢复方式间土壤线虫群落特征存在一定差异,围栏封育和种植苜蓿均能明显改善中度退化草地土壤线虫群落环境,但围栏封育较种植苜蓿更能显著提高土壤线虫的个体密度和群落多样性.土壤线虫个体密度垂直分布,围栏封育样地线虫表聚性最明显,种植苜蓿样地表聚性次之,过度放牧样地表聚性最差,其夏季和秋季土壤线虫向土壤下层移动明显.此外,研究结果还表明,功能类群指数能够指示中度退化草地植被恢复方式间的差异,其中∑MI指数和PPI指数对于不同植被恢复方式下土壤线虫群落变化反映最敏感,根据功能类群指数统计,与围栏封育相比,种植苜蓿和过度放牧显著改变了土壤线虫群落中r-和k-选择植物寄生线虫的比例.对于松嫩草原中度退化草地,选择围栏封育方式可能更利于草地土壤线虫群落的恢复与重建.
Effects of Vegetation Reclamation Practices on Soil Mite Communities in Seriously Alkalinized and Degraded Grasslands of Songnen, Northeastern China
东北松嫩草原重度退化草地两种典型植被恢复处理 方式间土壤螨类群落特征比较

WU Dong-hui,YIN Wen-ying,YAN Ri-qing,

动物学研究 , 2007,
Abstract: In this paper,the data on the soil mites under different vegetation reclamation practices were collected using the Tullgren method, in seriously alkalinized and degraded grasslands of Songnen, Northeastern China between May and October in 2005. Using the community parameters of generic richness, abundance, diversity index, and maturity index (MI) (Mesostigmata), the community structure and its seasonal changes were described. A total of 1 104 soil mite individuals were captured and classified into 41 genera. Our results showed that fencing an enclosure and planting Puccinellia chinampoensis substantially improved soil mite communities after five years reclamation, and less mites were taken in the control treatment. Mite abundance and MI were significantly increased when P. chinampoensis was planted than under fencing enclosure treatments. MI index indicated that planting P. chinampoensis altered the ratio of K-selection of soil predatory mites after reclamation. The results suggested that planting P. chinampoensis may be more beneficial to restoring soil mite communities, than fencing enclosures in seriously alkalinized and degraded grasslands of Songnen.
Carbon Capture and Storage (CCS) and Its Potential Role to Mitigate Carbon Emission in China

CHEN Wen-ying,WU Zong-xin,WANG Wei-zhong,

环境科学 , 2007,
Abstract: Carbon capture and storage (CCS) has been widely recognized as one of the options to mitigate carbon emission to eventually stabilize carbon dioxide concentration in the atmosphere. Three parts of CCS, which are carbon capture, transport, and storage are assessed in this paper, covering comparisons of techno-economic parameters for different carbon capture technologies, comparisons of storage mechanism, capacity and cost for various storage formations, and etc. In addition, the role of CCS to mitigate global carbon emission is introduced. Finally, China MARKAL model is updated to include various CCS technologies, especially indirect coal liquefaction and poly-generation technologies with CCS, in order to consider carbon emission reduction as well as energy security issue. The model is used to generate different scenarios to study potential role of CCS to mitigate carbon emissions by 2050 in China. It is concluded that application of CCS can decrease marginal abatement cost and the decrease rate can reach 45% for the emission reduction rate of 50%, and it can lessen the dependence on nuclear power development for stringent carbon constrains. Moreover, coal resources can be cleanly used for longer time with CCS, e. g., for the scenario C70, coal share in the primary energy consumption by 2050 will increase from 10% when without CCS to 30% when with CCS. Therefore, China should pay attention to CCS R &D activities and to developing demonstration projects.
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