氨性的

Twenty varieties or materials of tomato with different resistance were used for experiment. Through testing the reaction condition and pH of extract of POD and PPO, identifying the genetic relationship of twenty varieties by POD isozyme and testing the biochemical indexes of resistance to ToMV, the main results were showed as follows:1. Classification of resistance: According to the campestral resistance to ToMV and the analysis experimental data ,the resistance of twenty varieties were divided into three kinds:z(1)resistant variety, including Zhong-za No9. Zao Hong-bao.

本试验以20个番茄品种或材料为试材，研究了过氧化物酶、多酚氧化酶酶液提取及反应适宜条件；应用POD同工酶对20个番茄材料进行亲缘关系的鉴定；对20份材料苗期室内接种ToMV后进行抗病性鉴定以及接种两周后所有材料POD、PPO、苯丙氨酸解氨酶的活性变化的研究，得出以下结论： 1。

The effects of temperature on the mycelial growth of Rhizoctonia solani AG-l-IA and on its infection in maize were also studied.

本文从四个方面进行了研究：(1)研究了苯丙氨酸解氨酶生理病理变化及其与抗病性的关系；(2)在人工控温条件下，研究温度对玉米纹枯病菌菌丝生长、菌核萌发和侵染的影响；(3)建立人工病圃，系统监测玉米纹枯病的田间发生动态；(4)采用人工接种方法对一批玉米材料进行抗纹枯病的鉴定和评价，继续寻找新的抗源和抗性评价指标。

Using EDTA as titratant,murexide as indicator,sodium tartrate ammonium fluoride and sodium thiosulfate as masking agent, nickle concentration was determined in ammonic medium.

以EDTA为滴定剂，紫脲酸铵为指示剂，NH4F、酒石酸钾钠、Na2S2O3为掩蔽剂，在氨性介质中测定镍的浓度；在pH值为8.0的氨-氯化铵缓冲液中，采用滴定比色法测得钴的浓度。

Women who consumed more of these cruciferous vegetables and who also had the Val/Val genetic polymorphism had a lower breast cancer risk.

妇女的人，消耗更多的这些十字花科蔬菜的人也有缬氨酸/缬氨酸的遗传多态性进行了降低患乳腺癌的风险。

The effect of N-phosphoamino acids on plant cells'membrane permeability was investigated by osmotic method. It was found that in all N-phosphoamino acids, only some phosphoryl polar amino acids such as DIPPSer, DIPPThr, DIPPHis, DIPPAsp, DIPPGlu, DIPPAsn and free serine, threonine could increase the water permeability in plant cell membrane. For example, after 20min. treatment by 1. 5mM DIPPSer, the deplasmolysis time of onion cells was shortened 50%.

三、通过透性实验研究了N-磷酰化氨基酸对洋葱、豌豆等植物细胞膜水透性及溶质透性的影响，发现在所有的N-磷酰化氨基酸及自由氨基酸中，仅有部分N-磷酰极性氨基酸和自由的丝、苏氨酸对植物细胞膜上水透性有增强作用，如1.5mM N-磷酰化丝氨酸可使洋葱细胞质壁复原时间缩短一半以上。

As a kind of low-priced nonmetallic mineral, zeolite has good selective adsorption ability for NH4＋-N. Modifying can even increase this capacity. Clinoptilolite and mordenite have much applying prospect in this aspect. The research on NH4＋-N removal with natural zeolite is sufficient in many countries.

沸石是一种廉价的非金属矿物，对氨氮具有较高的选择吸附性，通过改性处理能大大提高其对氨氮的去除能力，特别是斜发沸石和丝光沸石在这方面有很好的应用前景。

The results showed that the gene and amino acid sequence homology between seven species are over 44.3% and 47.90/o, respectively. In addition, conservation of three sequences: EQCGSQAGGALCP, CCSQFOWCGST and CQSQC in the 40 amino acids sequence at the beginning of the N-terminal chitinase mature protein is very high, The conservation of eight Cys at the sites of 3,12,17,18,24,31,36,40 is 100% Finally, the chitinase signal peptide gene from Phaseolus vu?

结果表明七种基因之间有44.3％以上的同源性，蛋白之间有47.9％以上的同源性，而且在成熟蛋白N端前40个氨基酸序列中分别位于1～13、17～27和36～40位的EQCGSQAGGALCP、CCSQFGWCGST和CQSQC序列区保守性很高，尤其是位于第3、12、17、18、24、31、36、40位的八个半胱氨酸的保守性达到100％。

At last,a convergent and general protocol to marine natural product,as demonstrated by the enantioselective total synthesis of malyngamides O,P,Q,R, 5"-epi-Q and 5"-epi-R bearing terminal vinylic chloride structure,was developed in detail.E,(7S)-7-methoxytetradec-4-enoic acid was prepared using the above described Johnson-Clainsen rearrangement,the terminal vinyl chloride was constructed using Wittig reaction as key step,the pyrrolidone derivative was constructed using L-serine as natural chiral pool.Starting from the synthesis of malyngamides O and P to explore the general route,an aldol reaction of methyl acetate with the vinyl chloride part in the presence of LDA gave the skeleton of amine portion,followed by amidation with the fatty acid finished the synthesis of malyngamide P.

先以malyngamides O和P为试点探索通用合成路线，将乙酸甲酯和烯氯部分在LDA存在下进行aldol反应得到氨部分的骨架，再将手性不饱和脂肪酸和氨部分进行酰胺化反应完成了malyngamide P的合成，将P在碱性条件下进行烯醇甲基化反应完成了malyngamide O的全合成。

Thiols are also active in the catalytic sites of enzymes,and play important roles in metabolic pathways.

细胞内巯基化合物(包括半胱氨酸、高半胱氨酸和还原型谷胱甘肽等)在维持生命体系的氧化还原动态平衡方面起着重要的作用，它们是与酶活性有关的最具有反应性的官能团，并且在酶代谢过程中起着重要的作用。

Methods: fifty-three healthy subjects, 105 subjects with simple obesity, 63 type 2 diabetic patients without obesity, and 114 type 2 diabetic patients with obesity were studied with the technique of pcr- rflp in codon 64 of the exon region of β3-ar gene representing the variation trp/arg.

运用多聚酶链反应-限制性片段多态性分析技术分析了53名正常对照者、105名单纯性肥胖患者、63名t2dm非肥胖患者和114名t2dm伴肥胖患者的β3-ar基因外显子64位色氨酸、精氨酸的多态性。

If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。