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The endermic LD50 to rat and mouse were 926 mg/Kg and 1210 mg/Kg respectively. The results of subscute toxicity test in rats showed that the content of blood urea nitrogen in exposure groups was higher than that in control group, the histopathological changes of testis observed in exposure groups were obvious. Mutagenic tests including bacillus subtilis DNA rec-assay, micronucleus ...

其大、小鼠经皮LD_(50)分别为926mg/kg和1210mg/kg；大鼠90天经皮染毒，试验组BUN含量高于对照组，光镜下，试验组睾丸的组织学结构有明显改变；枯草杆菌DNA重组试验、小鼠骨髓多染红细胞微核试验和小鼠睾丸染色体畸变分析试验均获得阳性结果。

Since the aldehyde groups can be reversibly converted into enol groups depending on acidity and alkalescence of environment, the inter-and intra-molecule interaction of CMDA can be adjusted by changing the pH of medium, as a result, the self-assembly behavior of CMDA may be altered.

结果表明，CMDA在水中自组装形成纳米自聚集体，在pH=4.0和pH=10.83溶液中CMDA的临界聚集量浓度值分别为0.002mg／mL和0.005mg／mL，比中性环境中的临界聚集量浓度（0.02mg／mL）低了1个数量级。3种pH条件下自聚集体溶液表面张力具有共同的变化趋势，但在酸性与碱性条件下具有更好的表面活性。

The recipients were divided into four groups which received 0.7%, 1%, 1.5% pentobarbital sodium and 10% chloral hydrate intraperitoneum injection respectively And the other recipients were divided into two groups which received glass cannula and adhesive bandages enswathement method, respectively.

分别用0.7%、1%、1.5%戊巴比妥钠和10%水合氯醛对小鼠进行麻醉试验，选出合适的麻醉方法；再进行小鼠尾部皮肤移植，对比玻璃套管法和创可贴法2种包扎方法的效果，以选出合适的手术方法。

In the pelagic subsystem,there are 4biological state variables which were represented by functional groups:flagellate,diatom,pelagic bacteria and zooplankton.In the benthic subsystem,there were 5 biological state variables represented also by functional groups:macrobenthos,meiobenthos,aerobic and anaerobic bacteria,and shrimp-which is actually epibenthos.

将浮游亚生态系又划分为4个功能群，分别为：鞭毛藻、浮游硅藻、水体中细菌和浮游动物，将底栖亚生态系划分为5个功能群，分别为大型底栖动物、小型底栖动物、底栖厌氧菌、底栖好氧菌，对于营底上生活的对虾也划分在这一亚生态系中予以考虑。

Methods Thirty domestic dogs were randomly divided into 5 groups (6 in each group ): model control group, positive control group, and TGP groups with doses of 2.0, 4.0, and 8.0 mg·kg-1, respectively. The descending branch of left coronary artery was ligated to construct the model of myocardial infarction in the anesthetic thoraco-opened dogs. The effect of TGP on epicardium electrocardiogram , myocardial infarction size and serum myocardial enzymes were observed.

取杂种犬30只，随机分为5组（每组6只），分别为模型对照组、阳性对照药物组及TGP 2.0、4.0和 8.0 mg·kg-1剂量组；采用结扎麻醉开胸犬左冠状动脉前降支制备急性心肌梗塞模型，观察TGP对心外膜电图、心肌梗塞面积和血清心肌酶的影响。

Methodsfifty sprague-dawley rates were randomly divided into five groups: the control group fed with a standard chow diet, four other groups fed with a high fat diet including one group plus gemfibrozil capsules, the others plus equisetum extract and the rest.

方法高脂饲料复制sd大鼠早期动脉粥样硬化模型，分别予木贼正丁醇提取物及其剩余物灌胃预防性给药9周，透射电镜观察各组主动脉内皮细胞的变化。

This talk discusses the historical origins of these ethnic groups and their languages, and the criteria for identifying and classifying them, which will have implications for a linguistic and ethnological classification of these ethnic groups.

本报告介绍中国不同民族和语言的历史来源与识别划分的方法，以及中国民族和语言分类的人类学意义。

In the system of surfactant with ethoxyl groups, it is believed that ethoxyl groups can form hydroperoxides, and these hydroperoxides endow the surfactant the ability of reduction.

实际上，在许多体系中，有机试剂具有同时作为还原剂、稳定剂和反应介质的功效，在这些物质的存在下， Ag＋很容易被还原成金属 Ag。

In chlorination, conversion of Si-H groups reaches 90% and active groups, such as ethynyl, keep unchanged.

表征结果显示，硅氢基团的转化率达到90％，炔基活性基团未发生变化。

The clinical and pathological case information of CRC high-risk individuals were gathered and a population based case-control study was performed between and within three colonoscopic examinate groups of field screening, health examination and surveillance, and clinical symptomatic consultation. The distributions of age, gender and detective conditions of pre-cancerious alterations and CRC, as well as the relationship of pathological conditions and ages were analyzed between and within the three groups to evaluate the existent strategies of colonoscopy for CRC high-risk population.

2应用所建立的CRC高危人群临床病例信息科学采集与处理方法，对现场普查、体检复查和因症就诊三种不同来源的结肠镜受检人群进行成组资料的人群对照研究，分析比较三组受检人群年龄、性别构成特点以及对CRC癌前病变和CRC的检出情况、病理组织类型和分布特点，并对现有CRC及其高危人群结肠镜检查策略进行分析评价。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。