二钠的

Cluster analysis show that: proline content,sugar content, K~+/Na~+ content, MDA content, relative water content, CAT acitivy,photosynthesis rate and chlorophyll content can be indexs to comprehensive evaluate theability of salt-tolerance for Arrhenatherum elatius L..

聚类分析表明，脯氨酸含量、可溶性糖含量、钾钠含量比、叶片相对含水量、丙二醛含量、CAT活性、光合速率及叶绿素含量也可作为综合评价高燕麦草耐盐能力强弱的指标。

After acid hydrolysis of urine, primary amino acids were derivatized with ortho-phthaldialdehyde and removed from the sample by use of silica gel, followed by devivatized of hydroxyproline with 9-fluorenylmethyl chloroformate, and then injected into a C8 reversed-phase column.

采用邻苯二甲醛和芴甲基氯甲酸酯两个衍生剂，先后处理尿标本，以国产C8柱为固定相，在醋酸钠缓冲液中加入23%的乙腈作为洗脱液，3，4-脱氢脯氨酸作为内标。

Synthesis process of 2,6-dichloro-3-methylaniline was investigated 3-methylaniline was first N-acetylated with acetic anhydride,then treated with chlorosulphonic acid and ammonia yielding the 2-methyl-4--benzenesulfonic amide,which wasin turn deacetylated,chlorinated and hydrolyzed to the title compound.Hydrochloric acid was used instead of sodium hydroxide in deacetylation and sodium chlorate instead of hydrogen peroxide as oxidant in chlorination.

合成工艺2，6-二氯-3-甲基苯胺调查3-甲基首次N-乙酰与醋酸酐，然后与氯磺酸和氨产量 2-甲基-4--苯磺酰胺基，而擅转乙酰，氯化和水解的标题compound.hydrochloric酸代替氢氧化钠乙酰氯酸钠代替双氧水为氧化剂，加氯。

The target compounds were obtained in high yield through Michael conjugative addition of amines to methyl acrylates, cyclocondensation of the obtained diadducts in the presence of sodium methoxide,and decarboxylation of the cyclocondensation products in acid.

以胺类化合物为原料，与丙烯酸甲酯经过两次Michael加成得到N，N 二丙酸甲酯类化合物，该化合物在甲醇钠存在下进行环合，在酸性条件下脱羧，高收率得到4 哌啶酮类化合物，从而证明了这是一条合成N 取代 4 哌啶酮类化合物的普遍方法。

BACKGROUND: Na+/dicarboxylate transporter protein (NaDC3) participates in the metabolism of energy, which may has effect on cellular senescence; however, the mechanism is not clear.

背景：钠依赖二羧酸转运蛋白参与能量代谢，对细胞衰老可能有影响，但其促进细胞衰老的机制不清。

AIM: To study the effects of over-expression of tricarboxylic acid cycle intermediates transporter NaDC3 (high affinity sodium-dependent dicarboxylate transporter) on energy metabolism and ROS generation in human renal tubular cells.

目的： 研究三羧酸循环中间代谢产物转运蛋白-高亲和力钠依赖性二羧酸转运蛋白(NaDC3)基因过表达对人肾小管细胞能量代谢与活性氧产生的影响。

The preparation of layer crystalline sodium disilicate from sodiun silicate made by mirabilite is studied.

层状结晶二硅酸钠是一种性能优异的无磷洗涤助剂，其不会造成水质富营养化问题。

The uncertainty of ozone concentration in air measured by indigo disulphonate spectrophotometry was assessed.

对靛蓝二磺酸钠分光光度法测定某工作场所空气中臭氧浓度的不确定度进行了评定。

Firstly, partial sulfonated polystyrene were prepared by solution polymerization with the raw materials of styrene, sodium styrene sulfonate and divinyl benzene; Secondly, the SPS/OMMT nanocomposites were prepared by intercalation polymerization with the monmers and organically modified montmorillonite.

首先，利用NMP为溶剂，BPO引发苯乙烯、苯乙烯磺酸钠、二乙烯基苯溶液共聚；同时，采用高分子的单体与有机蒙脱土插层聚合制备了磺化聚苯乙烯阳离子树脂／蒙脱土复合材料。

The synthesis methods of ethyl lactate catalyzed by P-toluene sulfonic acid, cationic exchange resin, ferric chloride hexahydrate, stannous chloride, Aluminium chloride, modified zirconium oxid, ferric-potassium vitriol, ammonium ferric sulfate dodecahydrate, rave earth sulfate, sodium bisulfate monohydrate, complex solid superacid, heteropoly acid, molecular sieve, ionic liquid and lipase etal.

评述了对甲苯磺酸，阳离子交换树脂，六水三氧化铁，氯化亚锡，三氯化铭，改性氧化锆，铁钾矾，十二水合硫酸铁铵，稀土硫酸盐，一水硫酸氢钠，复合固体超强酸，杂多酸，分子筛，离子液体和脂肪酶等催化剂催化合成乳酸乙酯的合成方法。

What would he tell Judith and the children?

他将怎样告诉朱迪丝和孩子们呢？

I this is at that time, the opinion with peacockish true girl is full of in a heart.

这就是当时的我，一个心中布满虚荣的女孩子真实的想法。