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There are some flaw in L-Phe production inland, such as underproduction and in miniature. So it is an main research subject to reduce the cost of L-Phe separation.

目前我国L-苯丙氨酸生产规模小、成本高，而降低L-苯丙氨酸生产中的成品分离纯化成本是当前的重要课题。

The COMT gene has two common variants with a single amino acid difference at position 158; valine or methionine.

该转移酶基因有两种较常见的变异与一个单一的氨基酸差异，在立场158条；缬氨酸或蛋氨酸。

Both the free proline contents of anther and the pollen germination rate were compared between the virosis plants infected with TMV and non virosis plant in hot pepper ( Capsicum frutescens L.).

对辣椒感染TMV植株与健康植株花药中的游离脯氨酸含量和花粉萌发力进行了比较研究，结果表明，染病毒植株花药中的游离脯氨酸含量和花粉萌发率均明显降低。

Abstract］ Objective It is to observe the immunologic effect of spleen aminopeptide oral lyophilized powder on mycoplasma pneumoniae infection.Methods 78 case of MP infection were divided into two groups at random.The control group were treated with routine therapy.The treatment group were treated with spleen aminopeptide oral lyophilized powder based on routine therapy for 20 days.T cell subgroup,immunoglobulin and addiment were determined before and after treatment.

目的 观察脾氨肽口服冻干粉对小儿肺炎支原体感染的疗效及免疫学影响方法 78例MP感染患儿随机分两组，对照组38例予以常规治疗，观察组40例在常规治疗的基础上予以脾氨肽口服冻干粉治疗，治疗后分别测定患儿T细胞亚群、免疫球蛋白及补体等变化情况。

Methods and Results— We conducted a meta-analysis to compare aprotinin,-aminocaproic acid, and tranexamic acid with placebo and head to head on 8 clinical outcomes from 138 trials.

方法和结果：我们对138个试验中的8项临床数据进行了一项荟萃分析来比较蛋白酶抑制剂、-氨基己酸、氨甲环酸（反式对氨甲基环己烷羧酸）和安慰剂的作用。

ObjectiveTo investigate the efficacy and safety of amlodipine with berberine in the treatment of mild and moderate hypertensive with arthrolithiasis.

氨氯地平联用小檗碱治疗老年青中度高血压统一痛风的临床疗效分析主意评价氨氯地平联用小檗碱治疗轻、中度老年高血压统一痛风患者的落压疗效。

Methods Rats were exposed to S band HPM which average power densities were respectively 2~90 mW/cm^2. HE staining, Toluidine blue staining and electron telescope were used to study the change of the structure of cortex, and high performance liquid chromatography was used to study the changes of 4 amino acids (glutaminic acid, asparagic acid, GABA and glycine) of cortex in 6 h and 1d after exposure to 10 and 50mW/cm^2 HPM.

采用2~90mW/平方公分S波段高功率微波辐照Wistar大鼠，通过苏素素－伊红染色、甲苯胺蓝染色和电镜观察大脑皮层的形态结构改变；采用高效液相色谱仪检测10和50mW/平方公分照后6h和ld大脑皮层中4种氨基酸(谷氨酸、天门冬氨酸、γ-氨基丁酸和甘氨酸)含量的变化。

Only nine aspartic acid substitution in type I collagen has been fully reported in the world.

甘氨酸转变成天冬氨酸的这种突变对成骨不全表型具有重要的影响。

The linear range of aspartic acid, glutamic acid and glycin were 2.5~85 mg/L, the average recovery were

结果显示，天门冬氨酸、谷氨酸和甘氨酸三者的线性范围均为2.5～85 mg/L；标准加入的回收率为99.6%～102.6%。

One of the major problems,however,remains the poor solubility and membrane permeation of pepstatin, as well as its lack of selectivity among aspartyl proteases.The amino acid statine can mimic the tetrahedral transition-state of amide bond hydrolysis but cannot itself be hydrolyzed by the enzyme.

分子中含有两个非天然氨基酸statine能模拟天冬氨酸蛋白酶底物活性部位的四面体水解过渡态，且本身不易被切割，通过氢键和酶的天冬氨酸残基结合。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。