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.

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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.

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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.

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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.

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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

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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。

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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。

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Nitrogen is a simple asphyxiant and considered nontoxic.

氮仅仅是窒息剂，认为是无毒的。

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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。

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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。

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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。

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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

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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

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Energy transfer within nitrogen-fixing chain in Azotobacter vinelandii

棕色固氮菌固氮链中的能量转化

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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。

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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。

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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。

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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。

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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

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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；

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