查询词典 ammonia

It can convert arginine, a semi-necessary amino acid, into citrulline and ammonia. And the absence of arginine can restrain the growth of cell.

精氨酸脱亚氨基酶可把非必需氨基酸——精氨酸转变为瓜氨酸，而精氨酸的缺失将使细胞生长受到抑制。

The results showed the different comprehensive levels of the four deodorants had very significant influence on the ammonia and sulfhydrogen concentrations P.

结果表明：蛋鸡粪便产生的主要臭气物质NH_3、H_2S的浓度受上述除臭剂不同配合比例的极显著影响(P.01)。

ResultsThe results showed that the best separating conditions were 150 times of 1% ammonia hydrate as eluant, and the elution velocity was 5.0ml/min.

结果在考察范围内，最佳分离条件为：150倍量1%氨水，洗脱速度5.0 ml/min。

Aminobutyric acid in tea was extracted, isolated and determined. Water achieve a better effect than ethanol in extracting γ-aminobutyric acid, and γ-aminobutyric acid content was enhanced by 20%; 732 positive ion resin columns (2.5×50cm) was used to isolate, citric acid and ammonia water were used as elutes, based on pH linear gradient. Results indicated that γ-aminobutyric acid inelute could reach 39%; thin layer scanner could measure the content of γ-aminobutyric acid.

对茶叶中γ-氨基丁酸的提取、分离及检测方法进行了研究，分别采用水和乙醇作为提取溶剂，结果发现用水提取能达到更好的效果，γ-氨基丁酸含量提高20％；同时采用离子交换树脂对γ-氨基丁酸提取液进行分离，提取液上732阳离子树脂柱(2.5 ×50cm)，使用柠檬酸和氨水缓冲液进行pH线性梯度洗脱，洗脱液中γ-氨基丁酸最高浓度达39％；采用薄层扫描仪对γ-氨基丁酸的含量进行检测，研究并确定了检测的条件及参数。

As the raise of ammonia-N concentration,survival rate and daily growth of unexuviated larvae decreased gradually, while the metamorphosis rate and daily growth of exuviated larvae increased gradually firstly and then decreased.

氨氮是虾蟹类的排泄物，也是虾蟹类残饵、粪便以及其它动植物尸体等含氮有机物分解的终产物，硫化氢则是由于含硫有机物在缺氧条件下，由厌氧细菌分解形成。

As the raise of ammonia-N concentration, survival rate and daily growth of unexuviated larvae decreased gradually, while the metamorphosis rate and daily growth of exuviated larvae increased gradually firstly and then decreased. As the raise of sulfureted hydrogen concentration, all the parameters measured decreased gradually.

在本试验浓度范围内，随着氨氮浓度的升高，三疣梭子蟹各期幼体存活率和未变态个体的日生长率都逐渐降低，变态率和变态个体的日生长率则先逐渐升高，达到一个峰值后又逐渐降低；随着硫化氢浓度的升高，三疣梭子蟹各期幼体存活率和日生长率A均呈现逐渐降低趋势，变态率和日生长率B也逐渐减小。

Emphasis is placed on intrinsic f actors and natural environments like gender, size, molting cycle, feeding rate, circadian rhythm and season. Primary physicochemical changes such as temperature, pH, dissolved oxygen, salinity, and pollutants such as ammonia and copper sulfate are also addressed.

探讨的因子包括：落石出内因性因子－性别、大小、脱壳周期及摄食量，自然环境－日周期及季节，主要物理化学因子－水温、溶氧、pH及盐度，代谢产物如氨以及治疗剂如硫酸铜等。

Under modern agriculture, hydrogen is used to make ammonia fertilizer which is used for food production.

在现代农业中，氢气用来作氨的肥料，而氨肥料用于食物生产。

In addition, the dynamic equation about ammonia fertilizer affected by interaction of water and temperature is gotten.

通过室内试验，进一步证实了土壤水分蒸发引发氨挥发的现象，并对水分蒸发引发氨挥发进行了定量描述。

The use of "ammonia - Fertilizer Law" desulfurization technology, the company has successfully completed a number of large-scale performance.

运用&氨-肥法&脱硫技术，公司已成功建成多个大型业绩。

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。