发光菌

Objective:To study the biotoxicity of chlorobenzene and some of the intermediate products.

目的：测定氯苯及其降解中间产物对发光菌的单一毒性以及联合毒性？

Based on toxicity mechanism, a QSAR model was established and used to explain the toxicity of organic chemicals to fathead minnow and Photobacterium phosphoreum, which showed good relationships with wide range of organic compounds.

根据毒性机理，从理论上推导出有机物的定量结构—活性方程，并用来解释有机物对呆鲦鱼和发光菌的毒性，成功地阐述了有机物对水生生物的毒性机制，区分了有机物对不同生物的毒性的联系和区别，为有机物生物活性预测提供了新的思路。

Based on LSER method, the relationship between the acute toxicity of 26 substituted aromatic compounds on Photobacterium phosphoreum, Daphnia magna and fathead minnow and their theoritical solvatochromic parameters, the high correlation were found, it provided an example to introduce the quantum chemical parameters into QSAR study.

以线性溶剂化能相关理论为基础，利用理论溶剂化参数分析了26种取代芳香化合物对呆鲦鱼、发光菌和大型蚤的急性毒性，为成功地将量子化学参数引入QSAR研究探寻了一条新路。

The paper studied the degradation rule of Bromo-Chloro-Dimethyl Hydantoin in water environment and its acute toxicity to 4 aquatic organisms(Photobacterium phosphoreum, Chlorella vulgaris, Daphnia magna Straus and Brachydanio rerio).

研究了新型消毒剂溴氯海因在水环境中的降解规律及其影响因素以及BCDMH对4种不同生态位水生生物(发光菌、小球藻、大型溞和斑马鱼)的急性毒性。

Objective To explore the acute toxicity of arsenic,chromium,lead,cadmium,hydrargyrum to luminescent bacteria Vibrio qinghaiensis sp-Q67 at normal temperature(25℃).

目的探索常温(25℃)下水中砷、铬、铅、镉和汞对发光菌青海弧菌Q67的急性毒性效应。

Pyridoxal phosphate-dependent HDC are encountered in Gram-negative bacteria belonging to various species (i.e. Raoultella planticola, Enterobacter aerogenes, Photobacterium phosphoreum, etc.) Takahashi et al. 2003; Morii et al.

磷酸吡哆醛依赖HDC的是遇到革兰阴性菌属于不同的物种（即Raoultella planticola，产气肠杆菌，发光菌，等）（高桥等人。2003年；森井等人。2006年）。

The supernatant of the recombinant E. coli by sonication could not only repress the pigment synthesize of Chromobacterium violaceum ATCC 12472, but also could attenuate the intensity of bioluminescence of V. harveyi VIB391 and V. harveyi BB886 by 68% and 53%, respectively.

将表达的重组菌体经超声波破碎后，取其上清液作用于紫色色杆菌ATCC 12472，使其受密度感应系统控制的紫色色素的合成受到抑制；又用上清液分别作用于哈维氏弧菌的发光菌株VIB391和BB886，可使其发光强度分别减弱68%和53%。

In order to reduce the variation of Photobacterium phosphoreum luminous intensity during testing, the Photobacterium phosphoreum toxicity test was modified by a correction factor, P〓.

混合有机化合物的发光菌生物毒性试验方法的研究，包括发光菌生物毒性测试方法的改进、混合物毒性的表征及混合物毒性测试方法的探讨。

Mechanisms of joint toxicity action could be discussed according to luminescence principle of Photobacterium phosphoreum and molecule structures of the mixture components.

同时根据发光菌发光原理、结合DDBAC的分子结构特征和芳烃类化合物取代基的不同，对联合毒性作用机理进行初步的探讨。

Quantum chemical CNDO/2 method has been performed to study 20 chloranlines on the electronic structure in order to analyze their toxicities to Photobacterium Phosphoreum. The correlation analysis and the step regression analysis are put in use in this paper.

研究氯苯胺类化合物的电子结构与发光菌毒性的关系，应用CNDO/2量子化学方法计算了20个氯苯胺类化合物的电子结构，探讨了发光菌在5、15、30 min时间内的半抑制浓度的负对数P(5-EC50)、P(15-EC50)、P(30-EC50)与化合物的电子结构的关系。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐