查询词典 salinity

The influence of temperature,salinity,nitrogen concentration and heavy metal on peroxidase activity is studied in Gracilaria lemaneiformis.

研究了温度、盐度、N浓度和重金属4种环境因素对龙须菜过氧化物酶(Per-oxidase，POD)活性的影响。

Gravimetric Method for the Determination of salinity, acid-base titration indicator for the determination of the acidity.

重量法用于矿化度的测定，酸碱指示剂滴定法用于酸度的测定。

In this paper, adsorption is firstly described as a function of CSGC, and the effects of component and their ratio of grouts, leachate environment such as temperature, pH and salinity on adsorption are studied with equilibrium experiment. The evidence shows that the adsorption mechanism of CSGC to contaminant conforming to Freundlich Adsorption Model. It provides the theory for establishing CSGC and utilizing adsorption mechanism.

本文首次将吸附性能引入防渗帷幕的功能作用，通过大量的吸附平衡试验分析了浆液配比、地下水环境和用量对帷幕吸附污染物性能的影响，研究了帷幕对污染物的吸附规律和去除特征，结果表明粘土固化注浆帷幕对污染物的吸附符合Freundlich吸附模式，为建立粘土固化注浆帷幕、充分发挥其吸附性能提供了理论基础。

The inhibiting machanism of halophytic seeds by salinity is also discussed.

并讨论了盐度抑制盐生植物种子的机理。

Mangrove plant,as a typical halophytic species,their ecological response to salinity has been widely studied.

植物的稳定碳同位素组成(以δ13C表示)是植物长期生理生态的综合响应指标，然而，关于红树植物δ13C与红树林特殊生境之间相关关系的研究却很少。

Low concentration of NaCl solution could promote the growth on the shoot of seed germination. The growing length of roots and shoots of two halophytes treated by 100 mmol·L~(-1) NaCl reached the highest and the growing condition on shoots was best. Then some physiological and biochemical parameters including the content of Na~+, K~+, Ca~(2+), proline and plant leaf tissue water potential, the assays of membrane lipid peroxidation and antioxidant enzymes were determined with the two halophytic plants on salinity.

研究工作首先对盐爪爪和盐穗木在种子萌发阶段的耐盐性进行了比较研究，表明盐爪爪和盐穗木都是很耐盐的盐生植物，在种子萌发期，盐穗木比盐爪爪更耐盐；NaCl和等渗的聚乙二醇对种子的萌发都产生抑制作用，且PEG的抑制程度大于等渗的NaCl。

High salinity and temperature induce seeds of euhalophytes Halostachys caspica, Kalidium foliatum and Halocnemum strobilaceum to remain ungerminated, and seeds germination and seedling establishment of the three halophytic species can be ensured only when temperature and edaphic conditions are favorable. This is most likely an important adaptive strategy in these halophytic species to survive their saline environment in an arid region in Xinjiang;(2) morphological adaptations.

三种真盐生植物盐穗木、盐爪爪和盐节木种子在高盐和高温时不萌发，只有当温度和盐分适宦时种子才萌发，有利于幼苗的成活，是这三种植物适应新疆极端生境的策略。

There are three basic processes that cause a c hange in oceanic salinity.

海水盐度如果我们分析海水的盐度，会发现地区间只有轻微的变化，然而有些小的变化是重要的。

On the other hand, these activities control the amout and quality of freshwater, for example, water used for agricultrue and industry increase, build up reservoir and unloading directly change the balance of the ecological eviromental composition such as salinity, sand, nutrious and microelement in soil, so that control the change of heteroptera Kitog.

人类活动一方面通过建设虾池、大坝及油井平台等活动直接占用了碱蓬生长的土地，另一方面它又通过控制上游淡水的水量与水质，如农业与工业用水的增加、建水库、直接排污等活动改变着区域土壤的盐度、泥沙成分、营养物质、微量元素等生境组分的平衡，进而控制碱蓬的消长。

Results indicate that brine of salt lakes with high total salinity are rich in boron and lithium. Their brine hydrochemistry types belong to magnesium sulfate and sodium sulfate subtypes.

通过时化学组分及水化学特征系数的研究，卤水的水化学类型主要为硫酸镁亚型和硫酸钠亚型。

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