查询词典 nitrate

According to the sensitivities of variance coefficients and relative range of soil properties, we found that nitrate, available phosphorus, labile organic matter, urase, invertase, and organic matter can be used as the assessing index, which can evaluate soil quality under various re-vegetation ecosystems in the Loess Plateau.

根据变异系数和相对极差的敏感性发现在定量评价黄土高原不同植被恢复生态系统土壤质量时，可选择硝态氮、速效磷、活性有机质、脲酶、蔗糖酶和有机质等极敏感和高度敏感土壤性质作为评价指标。

In China,natural lacquer has been studied for a long time.Because to separate natural homologous is very difficult,it is almostimpossible to obtain a great deal of pure sample.So the structure ofmain constitute of Chinese lacquer urushiol has not an identicalresult due to the incomplete structural data. The urushiol diacetate derived from urushiol have beensuccessfully separated using centrifugal rotational TLC withpreparative silica get thin layer coated silver nitrate.

天然漆的研究，在我国有较长的历史，漆酚组分及结构做过一些工作，但由于天然同系物之间分离的困难，不易大量得到纯的样品，只能通过零星结构数据推断结构，致使中国生漆漆酚主要组分的结构没有一致的认识与确切的结论。

Our plant develops usualness inter-access technology communication with more than ten international famous electric furnace manufacturing companys,and repeated visits to the foreign advanced electric furnace factories and institutes every year, learning and absorbing foreign advanced industrial furnace manufacturing technology and production processes, technology, special components of electric furnace improving technology, product upgrading technology, it makes our plant keep synchronization with the international advanced industrial furnace manufacturing technology no whether in the type,the updating of furnace, fundation material progress, components manufacturing technology progess , manufacturing automation, and the way the loading of the loading basket manufacturing technology, WDS lining energy saving techniques, ceramic fiber wave of high pressure tied ceiling stack technology, oxidation-free protection atmosphere, carburizing, nitriding, molten, salt bath, nitrate Austempered, precision heat treatment process, equational flow and temperature heat transfer asymmetric quenching tank manufacturing technology, microcomputer program heat treatment technology curve temperature control process , and so on can keep pace with internationa advanced industrial electric furance manfacturing technology.

我厂与国际十多家著名电炉制造公司开展经常性互访技术交流，每年多次前往国外先进电炉制造厂和研究所，学习并吸收国外先进的工业电炉制造技术和生产过程，工艺技术，电炉专用零部件改进技术，产品更新换代技术，使我厂工业电炉产品无论在品种类型，炉种更新，基础材料进步，零部件制造技术进步，制造工艺自动化，装料方式和装料筐制造技术方式，WDS炉衬节能技术，陶瓷纤维波浪叠法高压捆扎吊顶技术，无氧化保护气氛，渗碳，氮化，盐浴，硝盐等温淬火，精密热处理工艺，均流均温换热不对称淬火油槽制造技术，微电脑程序热处理工艺曲线控温等各个方面，能够与国际上先进工业电炉制造技术保持同步。

Ingesting silver nitrate causes violent abdominal pain and gastroenteritis.

硝酸银口服可引起剧烈腹痛和胃肠炎。

It is apparent that a high degree of ammonia volatilization and/or nitrate leaching can occur in cropping systems susceptible to previously described conditions.

很明显，高的氨挥发和硝态氮的淋失会发生在符合上述条件的任何种植制度中。

Based on the previous research, this article discussed the sulphide, the nitrate, organic pollution heavy metal and volcanic dust, etc., which tie up to the human activity.

本文在总结前人研究的基础上，重点讨论了硫化物、碳黑、氮氧化物及硝酸盐、有机污染物以及重金属等大气中与人类活动密切相关的微粒物质

The result showed that the nitrate content could be decreased when adaptive fertilizer was applied with a feasible rate and well-timed.

人们从食用的蔬菜中摄入硝酸盐后，在体内还原酶的作用下可形成亚硝酸盐，然后与胺生成亚硝酸

To investigate and analyze the content of nitrate in several wilding vegetables in campus of Henan Institute of Science and Technology and Muye Non-environmental Damage Vegetable Production Base of Xinxiang City.

对河南科技学院校园和新乡市牧野无公害蔬菜生产基地的几种野生蔬菜的硝酸盐含量进行调查分析。

Methods The concentrations of LOOH in the sera of 33 healthy subjects and 33 patients with CHD were determined by ferrous oxidation in xylenol orange assay, while those of NO by enzymatic one-step assay with nitrate reductase.

方法分别应用FOX法和硝酸还原酶一步法测定了33名正常人和33名冠心病患者的血清LOOH和NO含量。

Zirconium 3-nitrophthalate Zr(3-NO2-PHT2·2H20 was synthesized using 3-nitrophthalic acid, sodium hydroxide, and zirconyl nitrate as raw materials.

用3一硝基邻苯二甲酸、氢氧化钠和硝酸氧锆为原料，制备了3。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。