土壤性质

This paper studied primely adsorption course and mechanism of Liuwomijuzhi on five soils whose physical and chemical characteristics are different.

本论文初步研究了硫肟醚菊酯在5种来源不同理化性质各异的土壤中的吸附过程及在粘土矿物和腐殖酸上的作用机理。

The soil here is sandy to a certain degree.

这儿的土壤带有几分沙土性质。

The structures and characteristics of natural sepiolite and modified sepiolite are compared in this paper. The current situation of research and application in wastewater treatment, gases purification, soil remediation and so on are summarized.

从天然海泡石、改性海泡石的结构与性质的比较上，对改性海泡石在废水治理、气体净化、土壤修复等污染治理方面的研究进展进行了评述，并对其开发利用进行了分析和探讨。

The objective of this research was to determine the effect of different rates of rice straw returned to soil on field surface solution properties via experimental simulation.

采用模拟培养的方法，研究水稻秸秆用量对淹水培养土壤表层溶液理化性质的影响。

Therefore,parameters of its electrochemical properties,especially the surface potential and the surface charge density,are of the most important.

但是关于土壤表面电荷性质的资料特别是关于表面电位、表面电荷密度的资料还相当缺乏，最主要原因是长期以来缺少可靠的测定方法[2]。

In addition, the study area can be layered vertically and decomposed horizontally by the properties of the soil and then the inte rfaces of every layer and region are connected by proper physical condition. So the initial and boundary value problem is well posed .

模式模拟时可依土壤之性质将整个模拟区域做垂直方向分层与水平方向分区之处理，计算时层与层之间、区与区之间再以适当之物理连接条件连接，使其构成一适当之问题。

In this study, a strain of bacteria capable of producing Phenylalanine dehydrogenase was isolated and was identified as Achromobacter sp. The condition for the enzymatic fermentation, purification and characteristics of the enzyme were carried out in this work.

本研究从土壤中分离筛选到一株产苯丙氨酸脱氢酶的菌株X5-3，对其进行鉴定，并进一步研究了该菌株的产酶发酵条件、酶的初步纯化及该酶的性质。

Based on the study project of groundwater environment in the middle-lower reach area of River Yangtze, to describe the background characteristics of copper in groundwater, composition of the aquiferous media, properties of overlying rock and soil, oxidation and reduction environment, conditions of runoff in groundwater and acid-alkaline numbers of groundwater and soil.

根据国家科技攻关项目长江中下游重点地区地下水环境背景值调研的研究结果，论述了长江中下游地区地下水铜元素的背景特征及其与地下水的含水介质成分、上覆岩土性质、氧化还原环境、地下水的迳流条件、地下水及土壤的酸碱度的密切关系。

The combined strength and durability of these fine textured, bunchy grasses bring a unique appeal to this mixture.

天然牧草：选自于欧亚大陆和美洲，杰克林爱尔兰混合草种可以忍耐各种各样的土壤和维护。这些耐久性的优良性质可以带来独特的景观。

Dasiphora fruticosa shrub-land is very common grazing land in Tibet plateau. After overgrazing , its soil physical and chemical characteristics would be out of balance.

金露梅灌丛是东祁连山广泛分布的一种放牧地，长期的过度利用下，使其土壤理化性质发生了相应的变化。

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