查询词典 uranium nitrate

Having reviewed a large number of relevant literature in detail, combined with some research achievements at sandstone type uranium deposits in China and abroad, The authors try to make an overview of the role of sulphides, particularly the pyrite, in the reduction, precipitation and concentration of uranium at the redox front of sandstone type uranium deposits.

作者通过大量的相关文献的调研，结合国内外在砂岩型铀矿研究方面取得的成果，对硫化物，特别是黄铁矿在砂岩型铀矿氧化－还原前锋线附近铀还原、沉淀和富集过程中所起的作用提出了自己的认识。

South-with the requirements of domestic furniture manufacturers, successfully developed a series of woodworking design sophisticated processing equipment, products: Automatic Edge machine, pushing Taiwan saw precision, precision Panel Saw, heavy vertical shaft milling, high-speed router milling machines, cold-pressing Machines, hot and cold press, multi-pressing machine, ranked number six uranium drilling, ranked number four uranium drilling, three rows of uranium and more drilling, single-row drilling machines.

南兴结合国内家具厂商的要求，成功开发设计了一系列木工加工精密设备，目前产品有：自动封边机、精密推台锯、精密裁板锯、重型立轴铣、高速镂铣机、冷压机、冷热压机、多层热压机、六排多铀钻、四排多铀钻、三排多铀钻、单排钻孔机等。

Enriching uranium increases the uranium 235 concentration in the material, which increases the amount of fission that occurs in a given amount of uranium.

浓缩铀提高了铀235的浓度，从而增加了一定数量铀中发生的裂变量。

A simple, fast and selective spectrophotometric method for the determination of trace nitrate ion in uranium dioxide was developed, based on the fade of indigo carmine with nitrate ion in sulfuric acid medium.

基于硝酸根离子对靛蓝二磺酸钠的褪色反应，建立了一个简单、快速、选择性好的二氧化铀产品中硝酸根离子的测定方法。

"The term is also used for sodium nitrate and calcium nitrate, both of which are used in the nitric acid industry and as fertilizers, and for ammonium nitrate, a high explosive and fertilizer"

这一名词也用于表示硝酸钠和硝酸钙，此两者在硝酸工业中被当作肥料使用。硝石也指硝酸铵，一种高爆炸性炸药和化学肥料。

"The term is also used for sodium nitrate and calcium nitrate, both of which are used in the nitric acid industry and as fertilizer s, and for ammonium nitrate, a high explosive and fertilizer "

这一名词也用于表示硝酸钠和硝酸钙，此两者在硝酸工业中被当作肥料使用。硝石也指硝酸铵，一种高爆炸性炸药和化学肥料。

Through making industrial experiment of zinc nitrate with existing equipments,the industrial experiment s of calcium ammonium nitrate and nitro-composite fertilizer show that the production of a calcium ammonium nitrate and nitro-composite fertilizer exist many problems,and so it is need to improve the process and increase equipments.

通过在现有装置上进行的四硝酸锌工业试验、硝酸铵钙工业试验和硝基复合肥的工业试验研究表明，硝酸铵钙和硝基复合肥的生产都存在许多问题，需要改进现有工艺和增加许多设备。

Various specialty salts for specific uses are available in stores: for example, tenderizer (salt fortified with enzymes such as papain, used to tenderize meat), salt enriched with sodium nitrate or a combination of sodium nitrate and potassium nitrate (used to cure meats and as a preservative), and flavored salt (garlic salt, onion salt, celery salt, etc.).

各种的特制盐在商店可以买的到，例如：软化剂(盐加强与酵素作用，譬如木瓜蛋白酶使肉软嫩)，盐被用在与硝酸钠或硝酸钠和硝酸钾的混合(使用在加工保藏肉和作为防腐剂)，和调味盐(大蒜盐、葱盐、芹菜盐等)。

The preparation process includes the following steps: dissolving activator and RE oxide in the molar ratio of 0.01-0.02 in concentrated nitric acid and heating to dry, dissolving the obtain RE nitrate in deionized water to obtain solution of RE nitrate; dissolving soluble tungstate and surfactant in deionized water to obtain tungstate solution; mixing the RE nitrate solution and the tungstate solution through stirring to reaction for 25-60 min to obtain white precipitate; hydrothermal reaction of the precipitate in a reaction kettle at 100-260 deg.c for 24-72 hr; centrifugally separating, washing and drying to obtain the product.

浓硝酸的加入量保证稀土氧化物溶解就可以，过量的硝酸可以加热除去；将可溶性钨酸盐和表面活性剂溶解于去离子水中，得到钨酸盐溶液，表面活剂性的加入量为反应原料重量的0-30wt％；将稀土硝酸盐溶液加入到钨酸盐溶液中搅拌，发生沉淀反应，磁力搅拌时间为25-60分钟，得到白色沉淀；将含有沉淀物的溶液作为前驱物加入到反应釜中，发生水热反应，反应温度为100-260℃，反应时间为24～72小时；离心分离，洗涤，干燥，即得所需产物。

The results indicated that different organic fertilizers significantly affected the accumulation of nitrate in lettuce in both open field and plastic tunnel, lowest nitrate content occured in treatmants with cattle manure and well-composted chook manure, while bean cake and pig manure increased nitrate content as compared with the control.

本试验主要研究了在露地和大棚条件下不同有机肥对生菜硝酸盐积累的影响，以期为通过有机肥控制蔬菜硝酸盐积累提供理论依据。1材料与方法以结球生菜为试材，品种为皇帝。露地试

The changes of the HAF after liver injury may be related to the volume of blood loss, the intraabdominal pressure and the pneumoperitoneum duration.

肝撞击伤伴失血后肝动脉血流量的变化与失血量、气腹压力以及气腹持续时间等有密切联系。

Reneging on our commitments to the world's poor cannot be an austerity measure, she said.

放弃我们给世界上的穷国的承诺不能成为一种紧缩措施。