水

The asymmetric esterification of glycidol catalyzed by lipase was carried out in a nonaqueous medium. The effect of the replacement of water necessary for the function of lipase with water-mimicking solvent on the resolution was investigated.

利用脂肪酶在非水介质中对外消旋环氧丙醇进行不对称酯合成反应，重点研究了强极性有机溶剂作为仿水溶剂完全替代反应体系中的微量&必须&水对酶促拆分反应的影响。

Based on the study of hydrochemical characteristics of formation water, the distribution of palaeohydrodynamic field in main oil-gas migration period and its influence on hydrocarbon migration and accumulation in Gaoyou sag were discussed.

在地层水水化学特征研究的基础上，对高邮凹陷油气主运移期的古水动力场分布及其对油气运聚的影响进行了研究。

River hydrochemistry change may reflect human influence on water environment in a certain degree,and the grasp of river hydrochemistry characteristic and distribution rule is helpful to reasonable use and protect water resources.

河流水化学的变化可以从一定程度上反映出人类活动对水环境的影响，掌握河流水化学特征及其分布规律有助于合理利用和保护宝贵的水资源。

According to hydrochemistry monitoring material of northwest rivers in recent five years,and compared with the first northwest rivers water resources investigation appraisal result in 80's of last century,we analyzed the main rivers hydrochemistry condition,runoff degree of minerali...

根据近5 a来对西北诸河的水化学监测资料，统计出了主要河流水化学状况；分析了河川径流矿化度、总硬度和水化学类型的地区分布，并与20世纪80年代第一次西北诸河水资源调查评价的结果进行了比较。

According to hydrochemistry monitoring material of northwest rivers in recent five years, and compared with the first northwest rivers water resources investigation appraisal result in 80's of last century, we analyzed the main rivers hydrochemistry condition, runoff degree of mineralization, total hardness and the hydrochemistry type distribution.

根据近5a来对西北诸河的水化学监测资料，统计出了主要河流水化学状况；分析了河川径流矿化度、总硬度和水化学类型的地区分布，并与20世纪80年代第一次西北诸河水资源调查评价的结果进行了比较。

Through one year continuous observation the water chemistry,the seasonal,annual changes of water chemical composition and hydrochemistry type were mastered.which has important scientific significance on Chemical composition of groundwater and river water sources and changes regulation,as well as chemical characteristics of water,This research has practical significance on thescientificly and rationally development and utilization of local water resources and tourism reseo...urces and environmental protection.

通过对该地区水化学成分连续的观测。可以查明翠华山和少陵塬地区河水与泉水化学成分的季节变化、年变化及其水化学类型等，这对揭示该区地下水与河水化学成分来源与变化规律以及水化学特征有重要科学意义。

To take the Xi an Jing-Wei River wetland as an example,this paper simulated the impact of Weihe River to the hydrology of the wetland of Jing-Wei River by the MODFLOW,the water balance for every month in the ordinary hydrol.

本文以西安泾渭河边湿地为例，用 MODFLOW 模拟研究了渭河对泾渭河边湿地水文的影响，对泾渭湿地在平水年中各月的水平衡要素以及不同水文年的水平衡要素进行了分析。

This hollow ball not only has the function of adsorption filtration depuration of water but also reduce the acidity of water to activation decomposition lessening of hydrone through piezoelectricity and activation of releasing negative ion and sending far infrared. These processes can balance people's PH and make water tasted well and became alkalescence.

该空心球不仅对水质起到吸附、过滤、净化作用，而且通过释放负离子、发射远红外的压电作用和活化作用，降低水的酸性，将水分子活化分解变小，呈为能平衡人体酸碱度，口感好的弱碱性水。

This hollow ball not only has the function of adsorption filtration depuration of water but also reduce the acidity of water to activation decomposition lessening of hydrone through piezoelectricity and activation of releasing negative ion and sending far infrared.

该空心球不仅对水质起到吸附、过滤、净化作用，而且通过释放负离子、发射远红外的压电作用和活化作用，降低水的酸性，将水分子活化分解变小，成为能平衡人体酸碱度，口感好的弱碱性水。

This hollow ball not only has the function of adsorption filtration depuration of water but also reduce the acidity of water to activation decomposition lessening of hydrone through piezoelectricity and activation of releasing negative ion and sending far infrared. These processes can balance people's PH and make water tasted well and became alkalescence.

该空心球不仅对水质起到吸附、过滤、净化作用，而且通过释放负离子、发射远红外的压电作用和活化作用，降低水的酸性，将水分子活化分解变小，成为能平衡人体酸碱度，口感好的弱碱性水。

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