查询词典 basic bithmuth nitrate

In order to improve A/O process denitrification efficiency, five integrated control strategies of nitrate recirculation flow and external carbon dosage for denitrification were proposed and evaluated using the COST/IWA simulation Benchmark.

马勇 北京工业大学北京市水质科学与水环境恢复工程重点实验室，北京 100022彭永臻北京工业大学北京市水质科学与水环境恢复工程重点实验室，北京 100022孙洪伟北京工业大学北京市水质科学与水环境恢复工程重点实验室，北京 100022

In this assessment, two groups of evaluation factors were used: one group is stipulated in "Environment quality standards for surface water (GB3838-2002)"; the other factors included main pollutants of Jinhe River, such as kjeldahl nitrogen, nitrite nitrogen, nitrate nitrogen and chlorophyll a, and the standards of some of them were given by the author on the basis of relative data.

在此评价中，采用了两组评价因子，一组是地表水环境质量标准(GB3838-2002)内的因子，一组除了标准内的水质因子，还包括了津河的主要污染物凯氏氮、亚硝酸盐氮、硝酸盐氮和叶绿素，这些污染物的标准是经过查阅资料自定的。

Content of nitrite and nitrate in Lactuca India and Plantago asiatica were lower enough for eating with safety.

苦荬菜、蕨菜中亚硝酸盐和硝酸盐含量较低，是可以放心食用的野菜。

Nitrite and nitrate, moisture, crude protein, crude fat, crude fiber, vitamin C and other ingredients contained in the four kinds of common potherb in Yongzhou, which are Portulaca Oleracea, Lactuca India, Plantago asiatica and Pteridium aquilinum, were determinated and analyzed.

对永州市四种常见的野菜马齿苋、苦荬菜、车前和蕨菜的亚硝酸盐、硝酸盐、水分、粗蛋白、粗脂肪、粗纤维、维生素C等成分进行了测定和分析。

Ulrich W R%Novacky A Nitrate - depontent membrane potential changes and their induction in Lemna gibba 10.1016/0304-4211(81)90233-9 Plant Science Letters , 1981,null

张亚丽%沈其荣%段英华不同氮素营养对水稻的生理效应南京农业大学学报， 2004，2

The effect factors of ethyl linolenate separation by silver nitrate adsorption column were studied.

研究了负载型硝酸银吸附柱分离亚麻酸乙酯过程中的影响因素，考察了载体类型、溶剂种类(石油醚、正己烷、超临界CO2)等对亚麻酸乙酯分离效果的影响。

Keywords ethyl linolenate;silver nitrate;adsorption column;supercritical fluid

亚麻酸乙酯；硝酸银；吸附柱；超临界流体

The Wenzhou dynasies nitrate.thanks also are well developed, with Juan paper produced by creativity, jiebai formhe lubricative muralart, the Northern Song dynasty to road (995-997) worked as the tribute.

温州唐宋时期造纸业也很发达，所产蠲纸以洁白、细密、匀称润滑而闻名，北宋至道（995—997）年间曾列为贡品。

Silver nanoparticles with average particle size ranging from 2 to 131nm were manipulatively synthesized starting from silver nitrate using 10 kinds of different functional group-containing organic modifiers, such as polyvinylpyrrolidone, tween-80, sodium dodecyl sulfate, sodium polyacrylate, polyethylene glycol, D-sorbitol, sodium dodecyl sulfonate, sodium dodecylbenzene sulfonate, polyvinyl alcohol, cetyltrimethylammonium bromide, at room temperature.

摘 要：选择10种含有不同官能团的有机物为表面修饰剂，如聚乙烯吡咯烷酮、吐温-80、十二烷基硫酸钠、聚丙烯酸钠、聚乙二醇、山梨醇、十二烷基磺酸钠、聚乙烯醇、十二烷基苯磺酸钠和十六烷基三甲基溴化铵等，在室温下进行了平均粒径在2～131nm范围内纳米银颗粒的控制合成研究。

Metatitanic acid as precursor, titanium dioxide loading silver grain was prepared by dipping into a stated concentrated silver nitrate solution and using heated-deposition on the surface of the titanium dioxide.

以偏钛酸为前驱体，浸渍一定浓度的硝酸银溶液，用热沉积法制备出载银二氧化钛。

We have something to do in the new stage.

在这段崭新的时期中，我们有一些要做的。

The difference between tourism decision-making under uncertainty and risky tourism decision-making is indistinctive.

其中不确定性旅游决策和风险旅游决策的界线比较模糊，两者的区分是相对的。