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The result showed that the activity of photoreduction,photophosphorylation and SOD in chloroplasts increased when reactionmedium added calcium with concentration of 0.04mmol/L,lessened theaccumination of free radical and the destruction of membrane system,which manifested the indirectly antiacid function.

酸雨胁迫降低龙眼的坐果率，并且坐果率随酸雨pH的下降而下降，同时使单果重、TSS、固酸比和糖酸比下降。pH3.5处理的K+、Ca2+、Mg2+和可溶性糖的渗出量与对照差异达极显著水平，说明已对果实品质造成影响。

The biological activities of ScFv obtained from 293T cell culture fluids infected by liposome were evaluated. RESULTS: The accession number of VH and VL genes of antiricin neutralizing monoclonal antibody was DQ389248 and DQ389245. ScFv could bind with ricin specifically. Inhibition percentage of culture liquid of 293T cell without dilution and with 2 times dilution was 33.7% and 29%, respectively. ScFv could neutralize the cytotoxic effects of ricin to SP2/0 cells at the concentration of 0.01-0.005 ng/mL in a nice doseeffect relation.

结果： 中和性单抗杂交瘤细胞4C13轻、重链可变区基因在GenBank中的登录号为DQ389248和DQ389245，ScFv与ricin可特异性结合，培养上清原液和2倍稀释液的抑制率分别为33.7%和29%；ScFv在ricin浓度为0.01~0.005 ng/mL时可中和ricin 对SP2/0细胞的细胞毒，随着ricin浓度逐渐增大，细胞存活率逐渐减低。

Aspartic acid is the main constituent of total AA. After 100 days of storage at 37℃ and 50℃, aspartic acid loss is about 67% and 73% of the total AA loss, but the concentration of proline increases.

酥梨汁氨基酸的主要成分为天冬氨酸，37℃和50℃贮存100d时，天冬氨酸含量的减少占总氨基酸减少的67%和73%，脯氨酸的浓度上升。

METHODS:We recorded the cardiogram by perfusing garlicin injection and garlic preparation to the isolated heart of rabbits by Langendorff method,examined the minimum dose of asystole. RESULTS:The minimum fungistatic concentration of garlicin injection was 3～6.2 times lower than that of garlic preparation.

采用Langendorf法对兔离体心脏分别灌流大蒜素注射液、大蒜注射液、大蒜实验液，分别记录心搏图，求出致心脏停搏的最小剂量，结果：大蒜素注射液的抑菌浓度为大蒜实验液的1／6.2～1／3，而致心脏停搏的最小浓度分别为0.1736u／ml和3.919u／ml。

METHODS:We recorded the cardiogram by perfusing garlicin injection and garlic preparation to the isolated heart of rabbits by Langendorff method,examined the minimum dose of asystole. RESULTS:The minimum fungistatic concentration of garlicin injection was 3～6.2 times lower than that of garlic preparation. The minimum dose of garlic preparation is 0.1736 u/ml, and that of garlicin injection is 3.919 u/ml.

采用Langendorff法对兔离体心脏分别灌流大蒜素注射液、大蒜注射液、大蒜实验液，分别记录心搏图，求出致心脏停搏的最小剂量，结果：大蒜素注射液的抑菌浓度为大蒜实验液的1/6.2～1/3，而致心脏停搏的最小浓度分别为0.1736 u/ml和3.919 u/ml。

The experimental results show that the mean particle size of griseofulvin precipitated by RESS is smaller than 1, 0μm, narrow distribution and 95％ fine particles is smaller than 1. 0μm. Increase of the pre-expansion pressure, the extraction temperature, the expansion chamber temperature, the spraying distance, the concentration of cosolvent and decrease of the nozzle diameter resulted in decrease of the particle size under the operating condition studied. Enhancement of the pre-expansion temperature resulted in increase of the particles size. The SEM of GF shows that the shape of original is atactic and a wide size distribution, but the microparticles obtained by RESS is reverse. Similar melting points and XRD patterns were observed for the original material and the precipitates obtained by RESS.

实验结果表明，用含夹带剂的RESS法制备的灰黄霉素微粒的平均直径在1μm左右，且分布均匀，95％微粒在1μm以下，仅用CO〓作为超临界流体制备的微粒与上述方法制备的微粒的平均直径和分布相似，只是产量太低，而用机械法制备的微粒平均直径在3μm左右且分布较宽；不同的过程参数对沉析微粒尺寸有不同的影响，预膨胀压力、膨胀室温度、溶解温度以及夹带剂浓度的提高或增大，均可使沉析微粒的直径变小；预膨胀温度提高，所得微粒的直径变大；喷射距离的增加，沉析微粒的直径变小；喷嘴直径越小，由此制得的微粒的直径就越小；根据实验结果还可知道，通过理论计算的马赫盘处微粒的直径可以较好地估计出膨胀室中收集到的微粒的直径。

More and more attention is focusing on the safty of drinking water suply. In this paper, firstly, chloramine formation and the characteristics and kinetics of monochloramine autodecomposition were studied. Secondly, considering the high concentration of ammonia and the complication of organic matters in Shanghai Huangpu River, formation characteristics and rules of disinfection byproducts were reviewed during the breakpoint chlorination process, and on the basis of grading and clssification of organisms, the control effects of chloramination on DBPs formation were studied. Finally, the formation rules of 2-monochlorophenol, 2,4-dichlorophenol and 2,4,6-trichlorophenol from phenol chlorination were investigated, and related influencing factors and kinetics were analysed.

饮用水的安全供给受到越来越多的重视，本文首先进行了氯胺形态以及一氯胺自降解特性及其动力学研究；然后结合上海黄浦江水源氨氮浓度高、有机物成分复杂的特点，研究折点加氯过程中消毒副产物的生成特性和规律，以及在将有机物分级和分类的基础上，研究氯胺消毒对不同类别有机物生成消毒副产物的控制效果；最后考察了氯化苯酚生成2-一氯酚(2-MCP)、2，4-二氯酚(2，4-DCP)及2，4，6-三氯酚(2，4，6-TCP)的规律，并进行了影响因素和动力学分析。

Root activity of eggplant seedling decreased with the concentration of the methanol isolatable components increasing. Autotoxic substances in the methanol isolatable fraction suppressed the absorption of NO〓, PO〓, K〓, Mg〓 and Ca〓, implying the inhibition effect of the substances on ion uptake was one of the important mechanisms in allelopathy.

茄子幼苗的根系活力随水提物中醇溶性组分浓度的增加而降低，同时植株对NO〓、PO〓、K〓、Mg〓、Ca〓等离子的吸收受阻，因此抑制离子吸收是水提物中自毒物质的重要效应之一。

Activity of liver sod in high-dose of alcoholic extracts of averrhoa carambola l.root group significantly increased（p＜0.05）, while concentration of mda in liver decreased markedly（p＜0.01）.conclusionthe alcoholic extracts of averrhoa carambola l.root could relieve the reaction of lipid peroxide and has significant hypoglycemic effect in stz-induced diabetic mice. it is a potential hypoglycemic agent of treatment diabetes and its complication.

结论阳桃根醇提物能够减轻stz诱导的糖尿病小鼠脂质过氧化反应，降低血糖，是一种具潜在开发意义的治疗糖尿病及其并发症的药物。

Through the study of concentration of heavy metal in farmland from the city epigenetic irrigated area, the difference of their ability of beneficiation and health risks were analyzed and compared.

通过对试验区内玉米、小麦和土壤中重金属含量的研究，分析比较了作物对重金属的富集能力和健康风险。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！