硅烷

After investigation of a series of synthetic routes of Cefepime, we determined the best route and researched each step of the synthetic process for the goal of cost-cut, simplifying operation procedure and improving yield.

以7-ACA为起始原料，经硅烷化保护氨基和羧基、碘代、置换、脱保护、成盐、缩合、成盐等六步反应，合成了目标化合物，总收率为21％（以7-ACA计）。产品结构经1H-NMR、MS确证。

The surface treatment of fiber posts with sandblast or hydrogen peroxide significantly enhanced the bond strength of the composite resin tested.

结果证实喷砂处理和过氧化氢酸蚀处理均能提高纤维桩与树脂粘结材料的粘结强度，而硅烷化处理并不能提高纤维桩在根管内的粘结强度。

Contact with silane can cause irritation of the eyes.

接触硅烷会导致眼睛的刺激。

The use of packed valves on systems containing silane should not be permitted.

不允许在含有硅烷的系统上使用衬垫阀。

Since silane is spontaneously flammable in air, its toxicological properties are difficult to determine.

由于硅烷在空气中是自燃的，它的毒物学性质难以确定。

The purpose for remote operation is to ensure that personnel are not potentially exposed to silane during the initiation of flow.

遥控操作的目的是在流程开始期间确保人员不会有暴露于硅烷的可能。

According to the analysis of research, problem of silane treatment technology had been brought forward. Further, its aim of research in future was pointed out.

根据综述分析的结果，指出了当前硅烷研究存在的问题及主要研究方向。

Exposure to a high concentration of silane may result in delayed pulmonary edema.

暴露于高浓度的硅烷会导致延迟的肺水肿。

Silane is to help the realization of solar cells into solar energy an important part.

硅烷是帮助太阳能电池实现太阳能转化的重要组成部分。

The results showed that the compatibility of hollow glass bead and resin was improved by adding silane coupling agent.

结果表明，硅烷偶联剂改善了空心玻璃微珠与树脂基体的相容性。

Shop assistant: Please check at the door.

店员：请您到门口柜台交费。

In the end, transportation of PAHs in the environmental matrix was preliminarily investigated and discussed according to PAHs data of soils and sediments from a certain region in Shanghai. The result indicated that there are two or more pathways on PAHs transportation in the environmental matrix.

最后，对上海特定地区内PAHs在环境介质中的迁移径途进行了分析讨论，结果表明上海市土壤和沉积物等环境介质中PAHs的迁移存在多种途径。