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Though their primary structure are different with their species,they all have rich proline exists in N-terminal and 6-Cys locates in 22,23,25,35,44 and 54.Three intrachain disulphide bonds have been found in porcine intestine peptide.

尽管因种属不同在一级结构上略有差异，但其N端脯氨酸密集，22、23、25、35、44和54位点 6个半胱氨酸，从猪小肠纯化肽的3对链内二硫桥键已定位。

The electrode applied in the electrosynthesis of L-cysteine from L-cystine was modified to resolve the problem of low activity and low current efficiency faced in this process due to the material of electrode.

本研究对电解L-胱氨酸合成L-半胱氨酸过程电极材料进行了改性，以解决由于受电极材料制约引起的电极活性不高，过程电流效率低下问题。

There are experimental results as follows:(1) Eriophorum comosum Nees shows strong cold resistance in plasmalemma permeability research. The lethal temperature of Eriophorum comosum Nees is the lowest LT_(50 in comparison with another two plants and is lower than -11.5℃ in August 2005 and December 2005; Soluble protein content of each plant is rising before or after cold hardiness. By SDS-PAGE, Protein band is analysed. Band quantity of Eriophorum comosum Nees is the most and its band color is darkest.(2) Soluble sugar content of three plants after cold hardiness are higher than before cold hardiness, moreover soluble sugar content after cold hardiness shows a decline and there is a narrow range in Eriophorum comosum Nees; Free Proline accumulation is changed by cold stress, and cold resistance is relative to free Proline accumulation; chlorophyll content of both three plants, including chlorophyll a, chlorophyll b and chlorophyll a/b, show a decline tendency along with the descent of temperature. Cynodon dactylon is highly sensitive to cold stress.(3) The soil POD and urease activities' absolute value of Erioophorum comosum Nees and Pogonatherum panideumHack were more than that of Cynodon dactylon before or after low temperature stress, especially POD activities.

实验结果表明：(1)在膜透性的研究中，丛毛羊胡子草抗寒性最强，采用电导率法测得半致死温度LT_(50最低，丛毛羊胡子草抗寒锻炼前后半致死温度LT_(50均小于-11.5℃；在可溶性蛋白含量研究中，抗寒锻炼前后三种植物的可溶性蛋白含量均增加，同时采用SDS-PAGE法，通过对蛋白条带分析，以丛毛羊胡子草条带数最多且着色深；(2)在可溶性糖的研究中，三种植物经抗寒锻炼后叶片可溶性糖含量都比抗寒锻炼前高，且经过抗寒锻炼后三种植物可溶性糖均呈下降趋势，丛毛羊胡子草可溶性糖含量下降较小；从游离脯氨酸含量可知，低温的胁迫影响了植物叶片游离脯氨酸的含量变化，植物的抗寒性与游离脯氨酸有关；低温胁迫下三种植物叶绿素含量随着温度的下降，叶绿素含量、叶绿素a、叶绿素b和叶绿素a／b均呈下降趋势，狗牙根对低温胁迫最为敏感；(3)低温锻炼前后，丛毛羊胡子草和金发草的土壤过氧化物酶与脲酶活性的绝对值均大于狗牙根的，特别是过氧化物酶，说明丛毛羊胡子草和金发草的酶活性大于狗牙根的。

The changes of peroxidase and phenylalanine ammonia lyase in several jujube cultivars inoculated with phytoplasmas were analyzed by using spectrophotometer and incontinuous polyacrymide electrophoretic methods.

采用分光光度计和不连续聚丙烯酰胺凝胶电泳，比较分析了不同枣树品种及株系接入病原植原体后，其过氧化物酶及同工酶和苯丙氨酸解氨酶的变化。

The aim of this study was to establish a analytical method for furosine that determine whether reconstituted milk was interpolative in UHT milk , and measure furosine content in raw milk and UHT milk .

本文研究了生乳与UHT灭菌乳中糠氨酸含量及其测定方法，并提出糠氨酸作为UHT灭菌乳中复原乳成分的标示物质，以鉴定UHT灭菌乳中是否掺入复原乳。

Iodide can be rapidly bound as 3-iodotyrisine, 3, 5-diiodotyrosine, and thyroxine during the chloroperoxidase-catalyzed iodination.

在加氯过氧化物酶催化的碘化过程中，碘能很快地结合形成3-碘酪氨酸、3，5-二碘酪氨酸和甲状腺素。

Results Leucocytopenia and lymphocytopenia were seen in all the patients. Two patients had slightly decreased peripheral blood T lymphocyte count. Alanine aminotransferase and aspartate transaminase levels increased slightly in 3 patients. No hypoxemia was seen in all the patients. Both SARSIgM and IgG seroconversion occurred earlier in all the patients with the titer increased more than 4fold shortly. Neutralization test was positive in all the patients. SARS coronary virus RNA was detected by polymerase chain reaction in pharyageal swabs only in 1 patient.

结果 确诊的SARS患者白细胞及淋巴细胞呈不同程度降低，下降时间较流行时提前，下降程度较小；2例外周血T细胞亚群计数轻微降低；3例丙氨酸转氨酶和天冬氨酸转氨酶轻度升高；肾功能、血糖、血脂及心肌酶均无异常；所有患者血清SARSIgM/IgG抗体早在发病第6 d由阴转阳，滴度在短期内呈4倍以上升高，中和抗体实验阳性，1例咽拭子中检测出SARS冠状病毒RNA。

By the methods of molecular biology, enzymology, chemistry, physics the project was carried out. The genes encoding leucyl- and arginyl-tRNA synthetase , and tRNA and tRNA from Escherichia coli were cloned and overexpressed in E.

以大肠杆菌亮氨酰tRNA合成酶和精氨酰tRNA合成酶为对象用分子生物学、酶学、酶动力学、化学、物理学的方法进行该项研究。

As a tolerant grape cultivars, it has the following characteristics of anatomical structure: thicker wax layer, higher wax density, well-distributed wax, thicker cuticle, thicker epidermis and sub-epidermis, closer and denser epidermis cells and sub-epidermis cells, more lignose.

SO〓伤害还刺激呼吸，减弱葡萄自身防御系统中多酚氧化酶和苯丙氨酸解氨酶的活性。

Prior to the use of renal transplantation and cystine-depleting therapy, the life span in nephropathic cystinosis was no longer than ten years.

在运用肾脏移植和耗尽胱氨酸疗法之前，肾病性胱氨酸病患者的寿命不超过10岁。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。