2、

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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3、

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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4、

Effect of Nitrogen Partial Pressure on Color of ZrN

氮分压对氮化锆薄膜颜色的影响规律研究

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5、

Comparison and analysis of nitrogen compound from two kinds of typical yeast extracts

两种典型酵母抽提物中含氮化合物的比较分析

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6、

During the culture, medium has been simplified as follows: using sodium lactate and sodium glutamate as carbon source and nitrogen source respectively, yeast extracts as growth factors and trace element.

首先,优化并确定了光合细菌培养基配方:以乳酸钠为碳源,谷氨酸钠为氮源,用酵母膏来替代微量元素和生长因子。

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7、

Histamine, volatile basic nitrogen ( VBN) and total acid values are recommended to be used in the integrated assessment of fish meal quality as they are important parameters of its freshness.

组织胺、总挥发性氮和酸价是鱼粉鲜度的重要参数,可做为鱼粉质量的综合评价指标。

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8、

Effects of clenbuterol on the hepatic flux of nitrogen, vfa and glucose in sheep

克伦特罗对绵羊肝脏氮、挥发性脂肪酸和葡萄糖流量的影响

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9、

The optimum harvest time of intercropping and mixture was milky maturity stage of oat and pod filling stage of pea, when the mixture forage yield was the highest, the nitrogen yield and RFV were relatively high, and ADF and NDF were relatively low.

燕麦与箭豌豆间混播最佳刈割期为燕麦乳熟期+箭豌豆满荚期,因为此时混合饲草产量最高,饲草N产量与RFV较高,而ADF与NDF较低。

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10、

After restraining genital growth ( RGG), contents of crude protein, ether extract and nitrogen-free extract of corn stalks and leaves were significant higher than CK. On the other hand, contents of crude fiber, lignin, ashes were significant lower than CK.

抑制玉米鲁单50的生殖生长后,玉米茎鞘和叶片的粗蛋白、粗脂肪和无氮浸出物的含量显著地高于对照,粗纤维、木质素和粗灰分的含量显著地低于对照;

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11、

QTM controlled atmosphere drying experiment equipment was used to regulate the O 2 content in the drying by displacing part air with nitrogen as drying medium.

用氮气置换部分空气作为干燥介质,通过QTM气调干燥实验设备调节干燥过程气体的氧气含量,以蘑菇的褐变度为考核指标进行降氧干燥试验。

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13、

In AAM series a nitrogen equilibrium was reached while in PRH series was a negative equilibrium.

AAM组术后可达到氮平衡,而PRH组为负平衡。

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14、

Study on LSP& PNR Process for Nitrogen and Phosphorus Removal and Sludge Reduction

LSP&PNR工艺的脱氮除磷和污泥减量性能研究

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15、

Road transport produces most of both types of gunk: 83% of the fine particles and46% of the nitrogen pollution.

这两种黏性物质主要由公路交通产生:83%的细颗粒物以及46%的氮氧化物污染。

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16、

The basic principal of the nitrogen engine and the status quo are present in this paper.

介绍了液氮发动机的基本原理以及国内外发展概况.

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17、

Liquid nitrogen or helium can expand by factors of 700 ( LN2) or 780 ( LHe) to normal temperature, and the uncontrolled releasing into an enclosed space can cause on oxygen deficiency hazard ( ODH).

低温液氦或液氮气化到室温环境后体积将膨胀700(LN2)的780倍(LHe),不加控制低温气体泄漏到房间中会引起氧气缺乏事故。

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18、

The total nitrogen in the samples prepared with the TCA, PCA, SSA and AL methods are 833, 878, 841 and 701 mgN/ 100g respectively.

以TCA、PCA、SSA和AL法沉淀蛋白质后得到对虾肌肉提取物中总氮量分别为833、878、840和701mg·N/100g。

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19、

The influence of long-term fertilization on MBN and acid hydrolysable organic nitrogen ( AHON) fractions in paddy soil were studied.

本文旨在研究长期不同施肥处理对稻田土壤MBN和酸解有机氮(AHON)及其组分的影响。

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20、

Both chemical composition of plant types and soil water regime had no significant effects on the distribution of nitrogen forms of NFH.

土壤水分条件和植物残体的化学组成对腐解产物的氮素形态分布没有明显影响。

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