nitrogen的例句大全

The broth contained high concentration of amino nitrogen and fungal polysaccharide.

该发酵液含有较高的氨基态氮,香菇多糖.

Yedan, oxygen, nitrogen, acetylene gas, acetylene sales; Chemical products, metal Dianliao, plumbing materials, supplies wash sales.

液氮 、 氧气 、 氮气 、 氩气 、 乙炔的销售; 化工产品 、 五金电料 、 水暖建材 、 洗涤用品的销售.

Deep-sea divers can suffer nitrogen narcosis from breathing air under high pressure.

深海潜水者会因在高压下呼吸而出现氮麻醉.

The boiling heat transfer of nitrogen in the narrow channels differs from that in pool boiling.

窄缝通道中的液氮沸腾传热特性有别于开放空间中的情况.

Effects of Phosphate-solubilizing Bacteria on the Vegetation Biomass, Nitrogen and Phosphorus Concentration of Avena sativa

溶磷菌对燕麦生物量及植株氮、磷含量的影响

Without cooling the gain medium in liquid nitrogen or using gratings and complex, expensive devices, this fiber laser has the advantages of being simple and easily attainable at a low cost.

这种装置无需将增益介质放在液氮中，也不需要多个光栅选频或其他复杂而昂贵的器件，具有结构简单，易实现和成本低等优点。

So far, the potential role of atmospherically derived reactive nitrogen in acidification has received little attention in China.

迄今为止，源于大气的反应性氮的潜在酸化作用在中国还没有引起足够的重视。

Nitrogen is a simple asphyxiant and considered nontoxic.

氮仅仅是窒息剂，认为是无毒的。

Although nitrogen is nontoxic and largely inert, it can act as a simple asphyxiant by displacing the oxygen in air to levels below that required to support life.

尽管氮无毒且很大程度上不活泼，通过取代空气中的氧，使之下降到维持生命所必须的水平以下它可以为简单的窒息物。

Secondly, alcohols, ketones, compounds containing nitrogen, and phenols were found in green asparagus juice. Few esters and organic acids were also contained in green asparagus juice.

其次是醇类、酮类、含氮化合物和酚类，还含有少量的酯类和有机酸。

Nitrogen and water additions changed the community structure of AOB and AOA.

氮素和水分添加改变了氨氧化微生物的群落结构。

Primary study on cryopreservation of eggs of the MALARlA mosquito Anopheles anthropophagus in liquid nitrogen

液氮低温保存嗜人按蚊卵的初步研究

Nitrogen fixation ability of azotobacter and its effect on growth of spring wheat

自生固氮菌的固氮能力及其对春小麦生长发育的影响

Energy transfer within nitrogen-fixing chain in Azotobacter vinelandii

棕色固氮菌固氮链中的能量转化

It is supposed, that azonic acid, generated by condensation of nitrogen-rich gases freeing by blast-firings in mine, accelerate magnesite and dolomite dissolution.

矿山中矿石焙烧释放的富氮气体凝聚产生的醋酸，能促进菱镁矿和白云石的溶解。

In particular, the nitrogen-containing heterocycle ligands, such as bipyridine, pyrimidine and azine and their derivatives, are most widely used. As their complexes can generate one-, two-and three-dimensional structures.

含氮杂环-联吡啶、联嘧啶和连氮等杂环化合物及其衍生物-是最常见的多齿配体之一，这些配体与金属Cu（Ⅰ）能形成一维、二维和三维结构的配合物。

This Paper focus on recent synthetic development of aza-Wittig reaction in nitrogen heterocyclic and explains some mechanism of the reaction of carbonyl compounds with organic azides and tertiary phosphines.

本文阐述了羰基通过叠氮化物和三价膦形成的亚胺基膦的作用，以氮杂wittig反应的方式，合成含氮杂环化合物的进展。

Results The average product rate is 97.25%, the average tablet heavy is 0.3690 g, average collapse time is 50 second, contain nitrogen is 5.45 mg/ tablet, the scattering about even, weight difference and micro organism limits to all meet the provision.

结果平均成品率为97.25%，平均片重为0.3690g，平均崩解时间为50s，含氮量为5.45mg/片，分散均匀性、重量差异及微生物限度均符合规定。

Application of Frozen Section of Atomized Liquid Nitrogen in Pathological Diagnosis

液氮雾化冰冻切片在病理诊断中的应用

The best carbon source is maltose. The best nitrogen source is asparagine.

最佳碳源为麦芽糖，最佳氮源为天门冬素；