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Saline soils and the rice paddy soils developed on saline soil.were sampled from Zhenlai county of Jilin Province in this paper.The main alkalize characteristic parameters,including pH,cation ex- change capacity,exchangeable Na~+,exchangeable sodium percentageand the content of wa- ter-soluble salty,were measured.

本文中的土样采自吉林省镇赉县，在盐碱土的典型区域，选择了未开发利用的盐碱土和在盐碱土基础上开发为稻田土壤的剖面，测定计算了土壤 pH 值、阳离子交换量、交换性 Na~+、碱化度和水溶性盐总量等主要碱化特征参数。

Also useful are oil-soluble copper dithiocarbamates of the general formula Rc Rd z Cu, where z is 1 or 2, and Rc and Rd are the same or different hydrocarbyl radicals containing from 1 to 18, and preferably 2 to 12, carbon atoms, and including radicals such, for example, as alkyl, alkenyl, aryl, aralkyl, alkaryl and cycloaliphatic radicals.

化学通式为Rc Rd z Cu的油溶性二硫代氨基甲酸铜也适用，式中，z为1或2，Rc和Rd是含1～18（以2～12为宜）个碳原子的相同或不同的烃基，这类烃基的实例包括烷基、烯基、芳基、芳烷基、烷芳基和脂环基。

Also useful are oil-soluble copper dithiocarbamates of the general formula Rc RdzCu, where z is 1 or 2, and Rc and Rd are the same or different hydrocarbyl radicals containing from 1 to 18, and preferably 2 to 12, carbon atoms, and including radical s such, for example, as alkyl, alkenyl, aryl, aralkyl, alkaryl and cycloaliphatic radicals.

通用化学式为RcRdzCu的油溶性二硫代氨基甲酸铜，也非常有用。式中，z为1或2，Rc和Rd是含有1到18个碳原子（最好含有2-12个碳原子）的相同或不同的烃基根，并且包括烷基、链烯基、芳基、芳烷基、烷芳基和环脂基等。

On this basis, three soluble poly derivatives with asymmetric alkoxyl substituents copolymers were synthesized by copolymerization with different PPV derivatives. The luminescence characteristic and thermal performance of three copolymers were improved by copolymerization.

在此基础上，采用共聚的方法，将具有不同结构的PPV衍生物分子进行共聚，合成了三种可溶性不对称烷氧基取代聚对苯乙炔共聚物，从而改善了材料的热性能和光致发光特性。

Four soluble poly(p-phenylene vinylene) derivatives with asymmetric alkoxyl substituents, poly (2-methoxy-5-butoxy)-p-phenylene vinylene, poly [2-methoxy-5-(3'-methyl)butoxy]-p-phenylene vinylene, poly (2-methoxy-5-hexyloxy)-p-phenylene vinylene and poly (2-methoxy-5-octoxy)-p-phenylene vinylene, were prepared by dehydrochlorination reaction with using p-hydroxyanisole and alkyl bromide as raw materials.

以对羟基苯甲醚和溴代烷烃为原料，采用强碱诱导的脱氯化氢缩合聚合法合成了四种可溶性不对称烷氧基取代聚对苯乙炔衍生物，分别为聚（2-甲氧基－5-丁氧基）对苯乙炔、聚［2-甲氧基－5-（3'-甲基）丁氧基］对苯乙炔、聚（2-甲氧基－5-己氧基）对苯乙炔和聚（2-甲氧基－5-辛氧基）对苯乙炔。

Eight Alnus cremastogyne clones, which simulated with different concentration of sodium chloride, were measured with four physiological indexes, including SOD activity, MDA content, chlorophyll content and soluble proteins content.

以不同质量分数的盐胁迫对桤木Alnus cremastogyne 8个无性系，在盆栽条件下测定叶片中丙二醛质量摩尔浓度、超氧化物歧化酶活性、可溶性蛋白质量分数和叶绿素质量分数的变化。

FDXN could increase the content of ABA, decrease the content of the total soluble sugar and restrick the metabolism of aminophenol and oil.

适乐时种衣剂包衣提高了ABA的含量，降低可溶性总糖含量，减缓油脂的降解和氨基酸的利用，最终抑制种子的发芽。

The results showed that MESC was used to treat micro-endosperm super-high-oil corn seed which could increase the content ratio of GA3 to ABA, the content of IAA and total soluble sugar content, and promote the metabolism of protein, oil and aminophenol during germination.

结果表明：微胚乳玉米种衣剂包衣可提高种子萌动时赤霉素(GA3)与脱落酸含量的比例，提高种子生长素和可溶性总糖的含量，促进蛋白质的形成和油脂的降解，加速氨基酸的利用。

The antibody levels elicited by different formulations, including individual and mixture of microspheres, soluble tetanus toxoid and aluminum hydroxide adsorbed tetanus toxoid, in mice and guinea pigs for 1 year were examined. And anamnestic responses to a low dose booster 1 year after priming to mice were also examined.

考察了单独的微球和混合的微球、破伤风类毒素溶液及氢氧化铝吸附的破伤风类毒素，这几种不同的制剂在小鼠和豚鼠体内的免疫效果。

On the other hand, mice primed with all the microsphere formulations showed higher anamnestic responses than those primed with soluble tetanus toxoid. Higher anamnestic response means stronger protection from infection.

另一方面，用微球免疫过的小鼠再次接受低剂量抗原时，所产生的免疫记忆抗体高于用破伤风类毒素溶液免疫过的小鼠，说明微球具有更强的免疫保护力。

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