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objective:with the local lobster shell as the raw material,we inquire into the abstraction and preparation of chitin and chitosan to develop a new raw material resources for chitosan.methods:use methods such as take off protein,calcium,colour,deacetylate and purification to prepare chitosan to study deacetylate degree,molecular weight and other characters of chitosan,then compare with infrared spectrum of bio-chemical chitosan on market.results:the chitin and chitosan obtained from lobster shell are 14.8% and 8.9%, respectively.

目的：以地产龙虾壳为原料，探讨其甲壳素的提取和壳聚糖的制备方法，以开发壳聚糖制备的新原料资源。方法：用脱蛋白、除钙、脱色、脱乙酰基、纯化等方法制备壳聚糖，研究其壳聚糖的脱乙酰度、分子量等性质，并与市售生化级壳聚糖的红外光谱进行比较。

The metobolic mechanism of MLF and MAF,the effects of some external factors on MLF and MAF,and utilization of modern fermentation technology(immobilized cell and enzyme,membrane bioreactor)in bio－deacidification were reviewed and discussed in this paper.

本文对MLF和MAF生化反应机理、影响MLF和MAF的环境因素以及现代发酵工程技术(固定化细胞、酶技术、膜生物反应器)在葡萄酒生物降酸工艺中的应用也进行了回顾。

The three bacterial strains were unable to decolorize RAY72 effectively due to its high bio-toxicity, while biosorption of RAY72 by the bacterial mass occurred.

对单一染料而言，RAY72因为可能具有很大之生物毒性，造成三菌株皆不能将RAY72有效率地分解褪色，但有生物吸附脱色的现象。

The company is complied with the enterprise tenet of "promising harvest and health with scientific preciseness and prudence" and the enterprise spirit of "honesty, diligency, cooperation, priority"."kernel" has become the famous brand in China pesticide industry and the priority brand in bio-pesticide field.

秉承&以科学的严谨承诺丰收和健康&的企业宗旨，&诚信、勤勉、合作、超前&的企业精神，&科诺&品牌已成为中国农药行业的知名品牌和生物农药领域的领先品牌。

According to the neural cable model, this dissertation deduced a stable solution. Based on the lead model, the vibratory equation of electriferous lead in a static magnetic field is set up under the condition of coupling magneto-acoustic field. It is verified that the vibration in bio-tissue is proportional to with the product of the magnitude of the magnetic field, the current amplitude and the sinusoid of angle between them.

根据神经的电缆模型，论文导出直流稳态解；基于导线模型，根据洛仑兹方程和细弦上的波动方程，论文建立了磁声耦合条件下带电导线在磁场中的振动方程，导出生物组织中的振动与磁场的大小、电流的大小和磁场与电流角度的正弦值乘积成正比。

DARPA's Bio-Revolution thrust has four broad elements:?? Protecting Human Assets refers to the Biological Warfare Defense work mentioned earlier.?? Enhanced System Performance work is developing new systems with the autonomy and adaptability of living things by developing biologically inspired materials, processes, and devices embodied in systems such as biorobotics.?? Enhanced Human Performance is aimed at preventing humans from becoming the weakest link in the U.S. military by exploiting the life sciences to make the individual warfighter stronger, more alert, more endurant, and better able to heal.??

DARPA的生物革命突破具备四个广泛的要素*保护人类财产指的是先前提出的生物防御工作*提升系统性能指的是通过发展生物材料、过程和装置，形成诸如生物机器人的一体化系统来发展具有自主性的生存适应能力的新型系统*加强人类表现旨在通过探索生命科学使个人武器更强大、更灵敏、更持久、更容易修复，以防止人成为美国军队中最弱的一环。

Study on removal rate of methyl mercaptan and ethanethiol by bio-trickling filter;2. The deodorizing effect of tea functional ingredients on methyl mercaptan (CH3SH) was studied in this investigation.

就茶叶功能成份对主要恶臭成分甲硫醇的去除效果进行了研究，结果表明：绿茶水提取物，儿茶素，EGCG对甲硫醇的去除效果不明显，而茶黄素则表现出较强的活性；在pH10的碱性条件下，1mg含量为40%的茶黄素对甲硫醇的最大去除量为0。

The condition factors in ethanolysis reaction,namely the reaction of rapeseed oil with ethanol catalyzed by lipase LVK,to produce bio-diesel were investigated,and the factors included molar ratio of ethanol to oil,catalyst dosage,reaction temperature,reaction time,and so on;the effect of organic solvent and the procedure of ethanol addition were also investigated.

得出脂肪酶催化菜籽油乙醇解制备生物柴油的最佳反应条件为：醇油摩比5：1、催化剂用量10%、反应温度40℃、反应时间为36 h、正己烷15%。

At now the policy of terrorism is excrescent active, the human society is facing the bigness threaten of the bio-terrorism.

在当今恐怖主义异常活跃的时期，人类社会面临着生物恐怖主义的巨大威胁。

However,the addi-tion of bio-regulator in medium ferme ntation stage could optimize the fermentation performance.

通过在发酵中期加入生物调节剂，可优化发酵性能。

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。