查询词典 salts

We have investigated the moisture and salts distribution in cliff at a vertical range of 20 meters by dug a exploratory well on the top of the cliff.

通过在崖顶探井内取样实测，发现莫高窟崖体中水分分布与地层有很大关系，在细粒土中含水率最高达24%，在砂砾中含量基本在2%左右。

To obtain new functional aromatic polymer intermediates, the coupling reaction of acenaphthene catalyzed by inorganic salts, such as AlCl3, FeCl3, ZnCl2 and ionic liquid(Cl/FeCl3) was investigated at room temperature and ambient atmosphere.

为合成新型功能高分子中间体，分别研究了在AlCl3， FeCl3， ZnCl2等无机盐和Cl/FeCl3离子液体催化作用下，苊在温和条件常温常压下的偶联反应。

In this study, the CPE processes of four different kinds of polyaromatic hydrocarbons, acenaphthene, anthracene, phenanthrene and pyrene, with two kinds of silicone surfactants, DC-193 and DC-190, were studied separately, and four different assisting methods for the phase separation of the CPE process including heating at a higher temperature, adding salts, centrifugation and stirring were introduced, respectively.

今利用两种聚醚型有机硅表面活性剂DC-193和DC-190，对蒽、菲、芘和苊四种多环芳烃进行浊点萃取研究，分别使用加热、加盐、离心和搅拌等辅助方法改变相分离过程的速度。通过测定表面活性剂富集相的体积百分率Vs/随时间的变化和最终的萃取率，研究上述四种不同辅助方法对相分离行为和萃取性能的影响。

To control the ground-water table on irrigated lands is vitally important in arid and semi-arid regions. In order to determine the standard of water table control, considerable attentions were paid to the "critical depth"(or "safe depth") of ground-water table. The salts accumulate in the top soil if the water table is not deeper than this depth. The conditions that the salts accumulate in any layer of the soil owing to the movement of soil moisture are:(1) the supplement of soil moisture from neighboring...

本文分析了地下水补給情况下土壤水分的形态和不同形态的水分在土壤中运行和蒸发的一些特点，论証了毛管水联系破裂含水率等土壤水分形态指标与土壤水分运动和土壤积盐状况的关系，探討了次生盐碱化发生的地下水临界条件，提出了地下水临界深度的确定方法，并且对現有的临界深度的确定方法进行了討论与比較。

The addition of Cd,Pb,and Zn in the form of acetate salts demonstrated a considerably greater biocidal effect on soil microbial biomass, because of higher solubility of acetate salts.

以醋酸盐形式加入土壤中的Cd、Pb和Zn对土壤微生物生物量比氯化物有更大的毒性，可能与其较高的溶解度有关。

They noted that bromides were more potent inhibitors than chlorides, and that potassium salts exhibited greater effectiveness than sodium or magnesium salts.

他们指出，溴化物的抑制作用强于氯化物，而钾盐的抑制作用比钠盐或镁盐更强。

The layered structures, however, are not unique to water deposition, and the scenario encounters difficulties in accounting for highly soluble salts admixed with less soluble salts, the lack of clay minerals from acid–rock reactions, high sphericity and near-uniform sizes of the spherules and the absence of a basin boundary.

被分层堆积的结构，然而，层状结构，不是只有水能沉淀形成，而且需要解释以下遇到的现象难溶解的盐与易溶解的盐一起混合，来自酸-岩石反应的泥土矿物的缺乏，和盆地界线上缺少大小一致的和球度很圆的小球体。

The observation and monitoring were carried out for one year. Improvements resulted from the project include suspended particles, transparency, concentration of chlorophyll A, total organic carbon, total nitrogen. Factors that did not show obvious improvement include electrical conduction, concentration of nitrate nitrogen, ammonia nitrogen, nitrous nitrogen, phosphate salts. Finally, factors that were influenced by environment include water level, temperature, pH, total phosphorus, chloride salts.

历经一年的试验，因设备投入而改善之因子为溶氧、浊度、悬浮固体、透明度、叶绿素a、总有机碳、总氮等7项，无明显变化之项目为导电度、硝酸盐氮、氨氮、亚硝酸盐氮、磷酸盐等5项，受环境影响因子为水位、水温、pH、总磷、氯盐等5项。

Any of a large class of sour-tasting substances whose aqueous solutions are capable of turning blue litmus indicators red, of reacting with and dissolving certain metals to form salts, and of reacting with bases or alkalis to form salts.

酸任何一类酸性的物质，它的水溶液可以使蓝色石蕊试纸变红，与金属反应或溶解金属时可形成盐，和碱反应亦可形成盐

The results show that surface tension of both solution increases after the salts added,and it is linear with the concentration of salts in the solution basically.

试验结果表明：加入无机盐两种溶液的表面张力均增大，且表面张力与溶液的浓度基本呈线性关系。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。