nitrogen的例句大全

The culprits are methane-the natural result of bovine digestion-and the nitrogen emitted by manure.

其元凶是甲烷(牛消化过程的自然结果)和畜牧排泄物排放的一氧化二氮.

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The basic nitrogen compounds include pyridines and quinolines.

碱性氮化物包括吡啶和喹啉.

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A method is established to determine nitrogen and phosphorus a release-controlled fertilizer prepared by the authors.

为评价控释肥的肥效,探讨、建立了相应的氮、磷测定方法.

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Appropriate rate of nitrogen promoted plant N uptake and utilization, and plant biomass and yields as well.

适量施氮促进玉米对氮素的吸收和利用，进而提高玉米生物量和产量；

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Nitrogen material properties changed by temperature and pressure, metal radiation changed by temperature all considered.

计算中考虑了物性参数随温度和压强的变化, 以及金属表面辐射随温度变化对换热的影响.

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By means of chemical analysis, powder X-ray diffraction, Fourier transform infrared spectroscopy, low-temperature nitrogen adsorption-desorption technique, solid state diffuse reflectance absorption spectroscopy and luminescence studies, the prepared materials were characterized.

采用化学分析、粉末XRD、傅里叶变换红外光谱、低温N2吸附-解吸附技术、固体扩散漫反射吸收光谱和发光研究表征了制备的材料。

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Nitrogen enters into the structure and forms aminoacids.

氮素进入植物体而构成氨基酸.

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Effects of Nitrogen Forms on Plant Growth and Quality

氮形态对植物生长和品质的影响及其机理

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A primary use of testing the weight percentages of nitrogen, carbon, hydrogen, oxygen and sulfur within a variety of solid or liquid explosive of pure organic compounds.

主要测试无爆炸性之各种固态或液态之纯质有机化合物中的氮、碳、氢、氧及硫之重量百分率。

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The nitrogen circulation is positive equilibrium, the phosphorus and potassium circulation are all negative equilibrium and becoming worse in farmland material circulation.

农田物质循环中氮素为正平衡，磷钾素均为负平衡并在加剧；

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There is gradual transition from an optimum level into excessive levels of nitrogen.

从氦素适宜水平进入过量水平的转变是逐渐的.

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ESR test shows that there are nitrogen impurities in MW-PCVD diamond film with Ns 0 form.

顺磁共振的测试结果表明,金刚石膜中的氮杂质以Ns0形式存在.

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And the optimum incubation time was 24h, the optimum temperature was 25 ° C, the optimum broth initial pH was 5.5. The optimum carbon source, nitrogen source and irritant factor were defined by single element, then optimized by CCRD.

结果表明，最佳培养条件为25℃恒温厌氧培养24h且培养基初始pH值为5.5；通过单因素确定最佳碳源、氮源、刺激因子后采用三元二次回归正交旋转设计进行优化。

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Theoretical Analysis on Nitrogen Removal during Vacuum Degassing Process and its Industrial Application

钢液VD真空处理脱氮理论分析及其应用

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The product was characterized by means of element analysis, powder X-ray diffraction, Fourier transform infrared spectro-scopy, low-temperature nitrogen adsorption-desorption technique, thermogravimetry-differential thermal analysis method.

采用元素分析、粉末XRD、傅里叶变换红外光谱、低温N2吸附-解吸附技术和差热-热重分析方法对制备产物进行了表征。

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The results showed that ammonia nitrogen and sulfurated hydrogen had a notable toxic effect on the larvae of penaeus japonicus ( F> F_ 0.05), and the mortality rate of larvae increased significantly with the concentration.

实验结果表明：氨氮和硫化氢对日本对虾幼体的毒性作用显著（F>F0.05），随着浓度的增加，各期幼体的死亡率明显升高；

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Enriched BCAA support is superior to general amino acids support in improving nitrogen balance.

高支链氨基酸的节氮效果优于平衡氨基酸。

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The results of a laboratory-scale experiment on the performance of the AAAM process show that the AAAM process exhibits high nutrient removal. The average removal efficiencies of COD, total nitrogen and total phosphorus reach 93%, 67.4% and 94.1%, respectively.

试验结果表明：AAAM工艺能够高效去除营养物，对COD、总氮、总磷的平均去除率分别为93%、67.4%和94.1%。

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Ammonia nitrogen is one of the main contamination has seriously jeopardized the water environment, that cause eutrophic state& red tide phenomenon.

水体中富营养化引发赤潮现象频繁发生，已严重危害了水环境，其中主要元凶之一是氨氮废水大量排放，使原本恶化的水质雪上加霜。

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Nitrogen application could significantly increase grain yield under low irrigation frequency ( W0 and W1), while neglected effect on yield was observed with high irrigation frequency ( W2 and W3).

在低灌水频次（W0、W1）条件下，施氮具有明显的增产效应；而高灌水频次（W2、W3），施氮的增产效应不显著。

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