氨氮

Objective To study the effect of nitric oxide synthase inhibitor N-nitro-L-arginine methyl ester on extinction of cued fear.

目的 探讨一氧化氮合酶抑制剂N-硝基－L-精氨酸甲酯对大鼠线索性恐惧消退的影响。

All additions rapidly decreased silage pH under different DM contents of M.sativa.M.sativa(DM 38.45%) ensiled with lactic acid bacteria+cellulase gave the best results: ammonia nitrogen content was reduced,and most CP was conserved and most lactic acid produced.

结果表明，不同干物质含量的苜蓿青贮时，乳酸菌+纤维素酶的添加均能使青贮pH值快速下降；苜蓿半干青贮(干物质含量为38.45%)可使青贮氨态氮含量显著降低，并保存有较多的粗蛋白质，生成较多乳酸，其中以添加乳酸菌106 cfu/g+纤维素酶0.05 g/kg的青贮效果最好，其青贮综合评定得分最高，达93分。

The changes of amino-N were basically identical both in saccharificated and liquidized WWWSIs They reached the lowest point at 16h, then rose slightly.

在糖化和液化两种废水中的氨态氮变化趋势基本一致，均在16h达到最低水平后有少量的回升。

Geotrichum candidum was cultured in liquidized WWWSI and saccharificated WWWSI respectively and the varitity of reducing sugar, biomass, the activities of glucoamylase and proteinase,amino-N,pH in the culturing process were studied,The results showed that the Geotrichum candidum grew better and gave high biomass in saccharificated WWWSI .

将白地霉分别培养在液化及液化后再糖化的小麦淀粉废水中，对培养过程中的降糖、生物量、蛋白酶和糖化酶活力、氨态氮、pH值的变化进行了研究。

The drug isometamidium chloride, is an effective therapeutic and prophylactic agent. It lyses the parasite, and it also accumulates in its mitochondrion to significantly disrupts aerobic respiration by causing lesions in the organelle.

氯化氮氨菲啶是防治隐鞭虫病的有效药物，它通过溶解虫体而杀灭寄生虫，也可在线粒体中富集，显著影响有氧呼吸的顺利进行并造成线粒体的损伤。

Guanosine overproducing mutant was derived from Bacillus subtilis T1001 by using ultraviolet and diethyl sulfate. The mutant was selected directionally and step wisely on the agar plates containing methionine sulfoxide and 8 azaguanine(8 AG).

以枯草芽孢杆菌T1 0 0 1为出发菌株，经紫外线、硫酸二乙酯逐级诱变处理，选育出腺嘌呤缺陷型菌株，然后经蛋氨酸亚砜、8 氮鸟嘌呤( 8 AG)结构类似物平板定向筛选，获得鸟苷高产菌株TA2 0 8。

Objective To investigate the role of nitric oxide in L-arginine potentiated compensatory renal growth in subtotal nephrectomy rats.

目的：探讨一氧化氮在L-精氨酸所致肾大部切除大鼠残余肾代偿性增生中的作用。

Growth and sporulation conditions of Alternatia citri were studied in the experiment. The results showed that mannose was the best carbon source and valine was the best nitrogen source. Czapek medium was the most appropriate for growth,and citrus leaf medium was the most appropriate for sporulating.

本试验研究了柑桔黑腐病菌Alternaria citri菌丝生长和分生孢子形成条件，结果表明：病菌在27℃菌丝生长最快，在30℃产孢最多；甘露糖是最好的碳源，D-缬氨酸是最好的氮源，Czapek培养基是菌丝生长最适宜的培养基，桔叶汁培养基是产孢的最适宜培养基。

The dynamics equations of soil water vaporizing and ammonia volatilizing hcluding the factors of water and temperature, and the dynamics-like equation of urea transforming into ammonium nitrogen in soil are founded in the paper, by taking the effect of interaction of water and temperature as subject, the dynamic change character of object studied as basis and using principle of chemical dynamic; The empirio-equations of soil water retention curve including temperature and the empirio-equations including temperature between water potential of millet seedling leaves and soil water are founded in order to make the equation of relation between water potential and water content in soil suit the demand of temperature change much better.

本文以水热耦合效应为主题，基于研究对象的动态变化特征，应用化学动力学原理，建立了含水、热因子以及水热耦合效应的土壤水分蒸发、肥料氨挥发动力学方程，以及施入土壤中的尿素转化为铵态氮的动力学型方程；为使水势—含水量关系式更好适应变温条件应用的要求，建立了含温度因子直接表征土壤持水曲线的经验方程，以及含温度因子的谷苗叶水势与土壤含水量关系经验方程。

The dynamics equations of soil water vaporizing and ammonia volatilizing hcluding the factors of water and temperature, and the dynamics-like equation of urea transforming into ammonium nitrogen in soil are founded in the paper, by taking the effect of interaction of water and temperature as subject, the dynamic change character of object studied as basis and using principle of chemical dynamic; The empirio-equations of soil water retention curve including temperature and the empirio-equations including temperature between water potential of millet seedling leaves and soil water are founded in order to make the equation of relation between water potential and water content in soil suit the demand of temperature change much better.

本文以水热耦合效应为主题，基于研究对象的动态变化特征，应用化学动力学原理，建立了含水、热因子以及水热耦合效应的土壤水分蒸发、肥料氨挥发动力学方程，以及施入土壤中的尿素转化为铵态氮的动力学型方程；为使水势—含水量关系式更好适应变温条件应用的要求，建立了含温度因子直接表征土壤持(来源：A9eBC7b4b论文网www.abclunwen.com)水曲线的经验方程，以及含温度因子的谷苗叶水势与土壤含水量关系经验方程。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。