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At 275 ℃ the reaction rate of PET/PEN blends with BOZ is higher than that of the blends without BOZ and the activation energy reduces from 167.8KJ/mol to 94.0 KJ/mol.

在275oC下，加有 BOZ的体系具有比不加 BOZ体系高的酷交换反应速率；

The effects and mechanisms of atmospheric CO2 enrichment and temperature rise on water and nutrient use in wheat were studied in this thesis using the chamber pot experiment and open top experiment.

本研究通过人工气候室盆栽试验和开顶式试验研究了大气CO_2浓度升高对小麦水分养分利用的效应和机制。CO_2浓度升高盆栽试验设350和700μmol mol~(-1)2种CO_2浓度水平，湿润、干旱2种土壤水分处理和0、50、100、150、200mg kg~(-1)5种N肥施用水平。

Development and the components of exudates and bleaching sap in the root of cucumber seedlings were examined to elucidate the response of the rhizosphere to CO2 enrichment treatments (one time in the morning and twice in the morning and afternoon).

为探讨温室蔬菜CO2施肥的根际效应，以黄瓜幼苗为试材，研究了CO2施肥（上午施肥/上、下午施肥；施肥浓度/对照浓度(950±50)/(350±50)μmol/mol CO2）对根系生长及分泌物和伤流液组成的影响。

Under the optimized conditions, in-situ-generated N,N -dioxide from the corresponding amide (10 mol%) and m-CPBA (20 mol%) retained the same asymmetric catalytic activity and enantioselectivity, and most of the aromatic,α,β-unsaturated, heterocyclic, aliphatic and steric hindrance ketones could be converted into the corresponding cyanohydrin trimethylsilyl ethers in up to 99% yield and 93% ee.

底物扩展证明，该有机小分子催化体系对芳香酮、杂芳香酮、脂肪酮、位阻酮以及α，β-不饱和酮都具有优良的手性诱导能力，收率高达99％，对映选择性达93％ee。

The rate constants and IC50 values of the dismutation of O2 catalyzed by these complexes have been determined by riboflavin-nitroblue tetrazolium illumination method.

采用核黄素-NBT光照法测定了配合物催化O_2~-歧化的反应速率常数K_Q以及IC_(50)值。结果表明，七种配合物具有相当好的SOD活性，它们的K_Q和IC_(50)值分别在4.08×10~6-1.65×10~7'mol·L~(-1)s~(-1)和1.42×10~(-6)-2.93×10~(-7)mol·L~(-1)范围之内。

The equilibrium association constant K of DNR with fish sperm DNA is 1.98×105 mol/L and that of DNR with denaturated DNA is 2.29×104 L/mol.

研究发现嵌入作用是柔红霉素和天然DNA之间的主要作用方式；并且柔红霉素和天然DNA之间的作用要强于和热变性单链DNA之间的作用。

Thus, 3 mol of Ethyl acetoacetate were treated with 2 mol of formaldehyde to yield 80% of I.

用2摩尔的甲醛处理3摩尔的乙酰乙酸乙酯可得到80%的I。

Methods:YCP was coupled to bovine serum albumin to construct three neoglycoprotein s which are different in their degrees of substitution(DSs;≈3,≈6,or ≈10 mol of BSA carrier/mol of YCP hapten,respectively),and their immunogenicities were evaluated in mice following subcutaneous immunization,respectively.

将YCP与牛血清白蛋白共价偶联，获得取代度分别约为3、6和10的3种拟糖蛋白，经皮下分别接种ICR小鼠，测定免疫血清中多糖YCP的特异性抗体IgM和总IgG水平，以及半抗原和载体蛋白的特异性IgG亚型。

From the results, hexose can decompose easily without acid catalysts, and with the increasing of temperature, the reaction rates increased sharply.

在本实验范围内，果糖和葡萄糖分解反应的表观活化能分别为126.16 KJ／mol和140.97 KJ／mol。

In this study, Pinus koraiensis seedlings were grown under elevated CO_2 (500 and 700 μmol·mol~-1 ), and the hydrolase activities in 0～10 cm soil layer were determined.

1引言由于人类活动的影响，森林生态系统对全球变化特别是大气CO2浓度升高的响应日益受到人类的重视。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。