查询词典 ammonia

Chemoautotrophic or chemosynthetic the energy is obtained by oxidation of an inorganic compound; for example, by oxidation of ammonia to nitrite or a mitrite to nitrate, or oxidation of hydrogen sulfide to sulfur.

例如把氨氧化为亚硝酸盐或硝酸盐，或把硫化氢氧化为硫。

Bacteria lost chemotactic capability when concentration of ammonia is higher than 3.0%.

当氯化钠浓度超过3%时，A1501丧失运动和趋化能力。

Synthesis process of 2,6-dichloro-3-methylaniline was investigated 3-methylaniline was first N-acetylated with acetic anhydride,then treated with chlorosulphonic acid and ammonia yielding the 2-methyl-4--benzenesulfonic amide,which wasin turn deacetylated,chlorinated and hydrolyzed to the title compound.Hydrochloric acid was used instead of sodium hydroxide in deacetylation and sodium chlorate instead of hydrogen peroxide as oxidant in chlorination.

合成工艺2，6-二氯-3-甲基苯胺调查3-甲基首次N-乙酰与醋酸酐，然后与氯磺酸和氨产量 2-甲基-4--苯磺酰胺基，而擅转乙酰，氯化和水解的标题compound.hydrochloric酸代替氢氧化钠乙酰氯酸钠代替双氧水为氧化剂，加氯。

For this reason, the contents of cellulose, hemicellulose, and lignin were measured as well as the activities of pheylalanine ammonia-lyase, cinnamyl alcohol dehydrogenase and peroxidase at different growth periods of pod.

结果表明，豌豆硬、软荚发育形成的主要差异为内果皮细胞的变化，而革质膜在豆荚发育的早期既已形成。

The watermelons, the citrullus lamtus or the stems and leaves thereof are taken as raw materials, and the extracting process comprises the following steps: firstly, the raw materials are washed clean and broken to separate the watermelon peel from the watermelon pulp for respectively extracting juice; the two juices are mixed, and micro-filtration and ultra-filtration are carried out to remove insoluble substances and macromolecular substances; and then reverse osmosis and nano-filtration are carried out to obtain the filtrate; the pH value of the filtrate is regulated and then a macroporous strong acid cation exchange resin column is added; and then ammonia water is taken as an eluant for isocratic elution; the eluent obtained is decompressed, distilled, deaminized, discolored, condensed and crystallized to obtain a white crystalline product of the natural L-citrulline extracted from the watermelons.

本发明方法以西瓜、打瓜或者其茎叶为原料，其过程为：首先将原料清洗干净，破碎后将西瓜皮西瓜瓤分开，分别进行榨汁；所得汁液合并，经过微滤和超滤除去不容物和大分子物质；然后再经反渗透和纳滤过滤；透过液调节pH值后通入大孔型强酸性阳离子交换树脂柱；然后以氨水做洗脱剂进行等度洗脱；将洗脱液减压蒸馏脱氨，脱色，浓缩结晶，得到西瓜提取天然L-瓜氨酸白色结晶产品。

Several varieties of tomato with different degrees of resistance to cladosporium fulvum were used to study the changes in phenylalanine ammonia lyase activity and lignin conten as well as their correlationship with the resistance degree of varieties and pathogeny during inoculation.

以含对叶霉病不同抗性基因的番茄品种为材料，研究了叶霉病菌侵染过程中PAL酶活性和次生代谢物木质素含量的变化与品种抗性、病原菌生理小种间的相互关系。

Shell Clavus Oils are designed for the lubrication of compressors with ammonia (R717) as refrigerant.

特别为应用阿摩尼亚（R717）或碳氢化合物（R600）为冷冻剂的制冷压缩机而研制。

The method of reduced ammonia marinate can dissolve many kinds of metallic elements from manganese nodule effectively with a maximum cobaltic distill ratio of 93.25%.

氨浸提取可以有效地使金属离子从结核中溶出，其中钴的浸出率最高可达93.25%；铵黄铁矾法可将浸出液中的铁全部去除。

Methods: 60 cases of chronic severe hepatitis were divided into observe group and control group randomly, 30 cases in respectively. Control group was treated with routine approaches comprised of liver protecting, kata-ALT, detoxicating and albumin supplementing, et al, at the same time, adding colon herbs dialysis to the cases of observe group with HC-3000 therapeutic machine. At first, intermittence lavage using coloclysis solution at the depth of 50cm, 60min, then infund 100~200ml herbs colon dialysis solution constituted by rhubarb, acori graminei, semen raphani, dandelion, oyster and cornu bubali, at al, remaining 1~2h, biw, continuous 4wks. Observe the amelioration of primary symptoms, physical signs and complications in all of the cases, as well as the change of liver function, prothrombin time and the contents of blood ammonia.

60例慢性重型肝炎患者按分层随机配对分为观察组和对照组各30例，对照组给予常规护肝、降酶、退黄以及补充白蛋白等支持治疗，观察组在基础上加用HC-3000结肠途径治疗机透析治疗，每次先用结肠灌洗液间歇灌洗60min，深度50cm，然后注入由大黄、石首蒲、莱菔子、蒲会英、牡蛎、水牛角等组成的中药结肠透析液100~200mL，保留灌肠1~2h，每周2次，连续4周后观察患者主要症状、体征及并发症的改善情况，同时检测治疗前后肝功能(TBil、ALT、ALB、CHE)、凝血酶原时间和血氨(NH3)等指标。

Methods: Adenosine deaminase was purified by immtino-affinity chromatography, the enzyme activity was assayed colorimetrically by the measurement of ammonia produced over a fixed timeResults: The purified ADA was shown to be a homogeneity by polyacrylamide gel electrophoresis.

用免疫亲和层析法分离纯化人肾ADA，测氨法测定 ADA活性，经SDS-PAGE测定其分子量。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。