查询词典 nitrate

Study on Phosphatization and Passivation Two in One Treatment Process;2. Effects of the different accelerants(La and Ce nitrate,Na nitrate and Na molybdate) on phosphatization were discussed.

提出在表面生成磷化膜以提高不锈钢的耐磨与耐蚀性能的工艺方法，讨论了各种促进剂(亚硝酸钠、钼酸钠、硝酸铈和硝酸镧)对磷化膜形成的影响，探讨了稀土对磷化的影响机理。

OBJECTIVE:To determine pilocarpine nitrate and its degradation products by HPLC,study the stability of pilocarpine nitrate eye-drops.

肖仰目的：建立以高效液相色谱法测定硝酸毛果芸香碱滴眼液中硝酸毛果芸香碱的含量及其降解产物，同时进行了其稳定性考察。

Effects of nitrogen levels on nitrate accumulation, nitrate and potassium uptake of spinach were studied.

研究了不同供氮水平对菠菜硝态氮硝态氮累积与氮、钾吸收的影响。

Fertilizer consisting of sodium nitrate or potassium nitrate .

智利和秘鲁的硝酸钠沉积物中含硝酸盐的岩石或砾石。

So two important questions arise:(1) how does fertilizer grade potassium nitrate compare in performance to chemical grade, and (2) is stump-remover a viable source of potassium nitrate, and if so, how does its performance compare?

所以两个重要问题出现：（ 1 ）如何肥料级硝酸钾比较，在性能，化学级，和（ 2 ）是残端-去除一个可行的来源，硝酸钾，如果是的话，请问其性能比较？

Industry said that China is a large agricultural country, only the tobacco industry, the annual demand of agricultural potassium nitrate reached more than 200,000 tons and the majority rely on imports of agricultural potassium nitrate supply and demand very prominent contradictions.

业内人士表示，中国是一个农业大国，只有烟草业，农业钾硝酸的年需求量达20多万吨，多数的农业硝酸钾供应和需求依赖进口的矛盾十分突出。

The amount of potassium nitrate present in this product undoubtedly varies from brand to brand (in fact, some brands are not potassium nitrate based, and are thus useless for propellant, such as Bonide TM Stump-Out ).

金额硝酸钾，目前在这方面的产品，无疑是不同的品牌，以品牌（事实上，一些品牌并非硝酸钾的基础，因而也是无济于事的推进剂，如bonide ？残端淘汰）。

The nitrate content and nitrate reductase activity increased significantly with increasing of the nitrogen concentration.

随着氮浓度的增加，生菜叶片的硝酸盐含量和硝酸还原酶活性显著升高。

To solve the problems of nitrate and heavy mental pollution in vegetable products, some research works were conducted by our research group, including the controlling of the nitrate content in hydroponic lettuce by regulating nutrient formula, in addition, studies on the effects of Cd on the growth and quality of lotus root and investigations of vegetable field pollution were also conducted.

本方向根据我国蔬菜生产中硝酸盐和重金属污染比较突出的问题，重点开展了水培生菜的硝酸盐控制技术、重金属镉对莲藕生长发育、蔬菜菜田污染成因与防控等方面的研究，建立了多种蔬菜的标准化安全生产操作规程，为蔬菜安全生产提供了有力的技术支撑。

Results showed that spraying KCl solution every other day for 15 days from late flowering decreased nitrate content in the leaf and stem, promoted nitrogen redistributed to silique, increased nitrate reductase activity in the leaf. After spraying 1% KCl solution does not affect the fresh weight of rapeseed. And more obvious differences between the species, different varieties of the same deal with the differences between the more significant.

结果表明，喷施氯化钾溶液能有效降低油菜茎叶硝酸盐含量，与喷施硫酸钾溶液和清水相比达到了显著水平；有效促进了氮素向角果分配；喷施氯化钾还可以增强叶片硝酸还原酶的活性，但不影响喷洒后采样时油菜总的鲜质量；而且品种之间处理后的差异比较明显，同一品种不同处理之间的差异也比较显著。

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。