查询词典 on the water

We studied the effect of water on the palladium acetate-catalyzed coupling reaction of aryl boronic acid with aryl bromide or acyl chloride in ionic liquid or PEG, and found that water had a remarkable rate accelerating effect on the Suzuki reaction and Suzuki-Type reaction when other reaction conditions were uniform.

研究了水对离子液体或聚乙二醇中Pd2催化的卤代苯或苯甲酰氯与苯硼酸的Suzuki和Suzuki-Type偶联反应收率的影响。

Humidity is too high, the water vapor in the air, that occurred on gold ink and chromotropic, but will also affect paper substrate material deformation of the water content, size, resulting in misregister, and so on.

湿度过高，空气中水蒸气的含量高，容易使金墨发生变色，而且还会影响纸张承印物材料的含水量，发生尺寸变形，从而造成套印不准等故障。

The paper analyzes the soil water dynamics and water requirement law of alfalfa,feed maize and ensile maize under 3 kinds of water-saving irrigation conditions through experimental study on the crops.

对节水灌溉条件下的紫花苜蓿、饲料玉米和青贮玉米需水量进行了试验研究，分析了不同灌溉水平下3种饲草料作物的土壤水动态和需水规律。

Based on the detailed water quality monitoring data of about 317 hydrometric stations from 1960 to 2000 and water quantity data of 20 hydrometric stations between 1919 and 2000 included in the Hydrological Yearbooks, which were all published by Yellow River Conservancy Commission, and socio-economic data related to the Yellow River, the characteristics of water quantity, major ion chemistry, organic contamination and their mechanisms, and integrated watershed management issues of the Yellow River have been systematically studied in this work.

本文在全面分析黄河流域300余水文站过去40年（1960—2000）水质资料和干支流20余水文站过去近50年（1950—2000）径流量资料的基础上，研究了：（1）、黄河水量的基本特征和近40年来的变化，重点讨论了黄河下游&断流&现象的发展及原因：（2）、黄河天然水质的基本特征、区域分布和影响因素；（3）、黄河天然水质40年来的变化趋势及原因；（4）、黄河水系氮污染和有机污染的特征、近40年来的发展，及其与社会经济发展的关系；（5）、黄河下游水质变化与水量变化的关系；以及，（6）、黄河水质水量管理中的制度安排问题。

With 2000~2004 basic data,Zhangweinan distributed hydrological model is build up based on SWAT model.The water quantity process and water balance of Zhangweinan is also simulated.The siumlated result is compared with the observed data of the hydrometric station and data from the Haihe Basin water resource bulletin.

结合2000～2004年的资料，用SWAT模型构建了漳卫南流域分布式水文模型，对漳卫南流域的水量过程和水量平衡进行了模拟分析，并将模型模拟结果与海河流域水资源公报和实测水文站数据进行了比较。

By analyzing the main factors of South-to-North Water Diversion 'impacts on Hebei water-received area from aspects of climatology, social-economy, ground water, soil, geological environment and hydrophilous biology, the paper will support decision making for sustainable eco-environment development of Hebei province.

南水北调工程的实施将缓解河北省长期缺水的严重局面，对其生态环境产生显著影响。

Based on the results of long term and position research,the dynamic change of soil water content in Taihang Mountain-piedmont Plain with the condition of aeration zone incrassation was studied.Some results are as follows: Soil water content changes with precipitation in different year;Season dynamic can be divided into three stages: accumulating,consuming and stable;Soil water content increases with the increase of soil depth.

本研究利用连续多年的土壤水分观测数据，分析了太行山前包气带土壤水分动态变化特征，结果表明：土壤含水量受丰水年枯水年影响存在年际差异，根据不同季节土壤水分的动态特点，可将其划分为三个时期，即土壤水分消耗期土壤水分累积期和土壤水分相对稳定期。

In this paper, based on the experimental data of maize, sunflower, Acacia confusa and Leucaena glauca under various treatments of air and soil temperature as well as soil water content, the effects of soil water content and temperature on plant root hydraulic conductivity were analyzed.

本文根据不同大气环境温度和土壤温度及不同土壤含水率处理条件下的玉米、向日葵、台湾相思、银合欢的试验资料，分析了土壤水分和温度以及土壤水分与温度共同作用对植物根系水分传导的效应。

Calcium lignosulphonate would reduce drying shrinkage, the influence of superplasticizer on drying shrinkage is related strongly to the water cement ratio of mortar. When the water cement ratio is lower (0.3 or 0.4), superplasticizer would increase drying shrinkage, which increases with water cement ratio decrease.

本论文采用固定砂浆中单位体积用水量、浆体体积含量和骨料量的方法，研究了化学外加剂和矿物掺合料对砂浆干缩性能的影响，并通过微观分析和压汞测孔的方法探讨了其对干缩性能影响的机理。

The skill operation of the tissue morcellation must be by "flushing on drawing" water and "only flushing not on drawing" water for finding tissue,and of fixation-drawing-mo...

以&边冲边吸&及&只冲不吸&发现组织块，以&固定-吸引-粉碎&与&运动-吸引-粉碎&方法粉碎组织。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。