生物化学

The intramolecular disulphide bridge was formed with iodine before the product was finally purified to homogeneity by reversephase HPLC.

产物经Sephadex柱层析、透析和RP-HPLC进行分离、纯化，最后鉴定其化学均一性和生物活性。

Edaphic factors The physical, chemical, and biological characteristics of the soil that together form an important component of the habitat because of their influence on plant distribution.

土壤因子：包括土壤的物理、化学和生物特征，因其对植物分布的影响，共同构成了栖息地的重要成分。

1Department of Enterochirurgia, Institute of Traditional Chinese Medicine, Chongqing 400013, China, 2Laboratory of Chemistry, Academy of Chinese Materia Medica, Chongqing 400065, China, 3Laboratory of Basic Medicine Project Research, First Affiliated Hosp

徐月1；秦剑2；周远大3；何海霞31重庆市中医研究院肛肠外科，重庆 400013，2重庆市中药研究院化学研究室，重庆 400065，3重庆医科大学附属第一医院临床药理学研究室，基础医学院生物工程研究室，重庆 400016

In the article modified methods are summarized,including physical modification ,chemical modification ,enzymic modification and bioengineering modification .

本文介绍了大豆蛋白质的改性方法，包括物理改性、化学改性、酶改性和生物工程改性等。

The purpose of the examinatorial and designing analytical chemistry experiments is to develop students' abilities of utilizing the learned knowledge on analytical chemistry to solve the problems on experiment and improve their comprehensive abilities and skills in analytical chemistry.

分析化学实验是我校应用化学专业、食品分析专业、生物技术专业、动物医学专业和动物科学专业等学生必修的专业主干课，它的开设为培养和训练学生具有较强的科学实验能力和逻辑思维能力、分析问题和解决问题的能力，及具有良好的科研素质奠定了基础。

Luliang Basin is of a series of good conditions of forming commercial biogenic methane gas reservoirs,such as the excellent type of kerogen,high organic matter abundance,low-salinity hydrochemical property,suit a ble geotherm,immature hydrocarbon source rocks and fair structural-lithological traps,etc.

极佳的生气母质类型与丰富的有机质、低矿化度水化学特征、地温适中、未成熟的烃源岩及良好的构造—岩性圈闭等因素，是形成陆良盆地工业性生物甲烷气藏的良好条件。

OBJECTIVE:To investigate the chemical constituents of Grewia biloba G.

目的：研究扁担杆的化学成分，寻找生物活性物质。

"Life seems to exploit every possible chemical pathway to obtain energy and make carbon-carbon bonds," says Hazen.

&生物似乎利用一切可能的化学途径来获取能量并生成碳碳键，&黑曾说。

Shanghai Institute of Applied Physics,Chinese Academy of Sciences,Shanghai 201800Abstract Dyeing wastewater is dificult to be treated mainly for its high chemistry oxygen depleted and higlI chroma ticity.In this paper,a combined hydrol~ic Acidification- Memb rane Bioreaetor processes was employed and the treatment behaviors of reactive dye wastewater were investigated.

针对印染废水成分复杂、废水有机物含量高、可生化降解性差的特点，采用了水解+好氧膜生物反应器组合工艺，实验考察了反应器的启动，组合工艺对色度、化学耗氧量及浊度的去除效果。

The result of immobilization showed that hydrophile membranes were more advantageous than hydrophobe ones to act as immobilization carrier. Crosslinking organophosphorus hydrolase by glutaraldehyde on polyethersulfone membrane is a simple and practical immobilization method. An appropriate amount of bovine serum albumin and crosslinker is necessary to get a good result of immobilization. In the biodegradation of methyl-parathion through enzyme membrane reactor, the effect of immobilized enzyme amount, flow rate of peristaltic pump, pH of the feed, and the methyl-parathion concentration on biodegradation rate was studied. It was shown that the biodegradation rate increased with immobilized enzyme amount and substrate concentration. Biodegradation rate didn't increase when the folw rate of the peristaltic pump was larger than 7 ml/min.

然后，研究固定化酶降解甲基对硫磷，从不同材料的膜载体固定有机磷水解酶的比较中，发现亲水膜比疏水膜适合作固定化酶载体；在此基础上，将有机磷水解酶固定在聚醚砜微滤膜上，并制成酶膜生物反应器，用于降解甲基对硫磷；戊二醛化学交联法固定时，酶液与10%牛血清白蛋白溶液的比例在3：1~2：1，与交联剂的比例在7：2~7：4范围内，固定化效果较好，并发现牛血清白蛋白和膜载体有降低酶活损失的作用；将固定化的酶膜装于酶膜反应器降解甲基对硫磷，实验结果表明：反应器的降解速率与固定化酶量呈正比，也随底物浓度的增加而加快，当流速低时，降解速率随流速增大而加快，到7ml/min以上时，降解速率不随流速脑黾佣洌到獾淖畹团ǘ任？

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。