查询词典 nitrates

As the result of his work, he could announce the Law of Seriation of RareEarths: all salts of rare earths fall in the same order of solubility, except the ethyl sulfates and the nitrates.

由他的工作的成果，他会宣布分离稀土元素的准则：稀土元素的所有盐类的溶解度都有相同的排列顺序，除了乙基硫酸盐和硝酸盐。

The paper mainly refers to the thermal stabilities of three nitrates n-propyl nitrate (NPN, isopropyl nitrate and 2-ethylhexyl nitrate by using Infrared spectrum experiment, ARC and DSC.

本论文主要采用了红外光谱实验，加速度量热仪和差示扫描量热仪等手段研究三种硝酸酯（硝酸正丙酯NPN、硝酸异丙酯IPN、硝酸异辛酯EHN）的热安定性。

Bone- meal and nitrates are common fertilizers.

骨粉和硝酸盐是普通的肥料。

Calcium unites with sulphur and oxygen to form calcium sulphate, and phosphors and oxygen to form calcium phosphate, sodium and potassium unite with oxygen and nitrogen to form sodium to potassium nitrates.

钙、硫和氧形成硫酸钙，钙、磷和氧形成磷酸钙，钠、钾和氧、氮结合生成硝酸钠和硝酸钾。

These nitrates, which come from fish manure, algae and decomposing fish feed, would otherwise build up to toxic levels in the fish tanks and kill the fish.

这些硝酸盐，从鱼粪肥，海藻和鱼饲料来分解，否则建立在鱼缸中毒性程度并杀死鱼类。

In particular, a process for the synthesis of nanopowders of various materials such as metals, alloys, ceramics and composites by induction plasma technology, using organometallic compounds, chlorides, bromides, fluorides, iodides, nitrites, nitrates, oxalates and carbonates as precursors is disclosed.

具体地，公开了一种通过感应等离子体技术合成各种材料，例如金属、合金、陶瓷和复合物的纳米粉末的工艺，使用有机金属化合物、氯化物、溴化物、氟化物、碘化物、亚硝酸盐、硝酸盐、草酸盐、碳酸盐作为前驱体。

Nitrates are highly effective in the prophylaxis of symptomatic and asymptomatic myocardial ischaemia.

硝酸盐对有症状和无症状的心肌缺血具有极好的预防作用。

The conductivity of three rare-earth nitrates: Ce(NO3)3, La(NO3)3 and Y(NO3)3 ,was measured in non-aqueous solvent such as: C2H5 OH、CH3 COCH3、DMF at different temperatures. The use of formula has calculated the molar conductivity of Ce(NO3)3, La(NO3)3 and Y(NO3)3 at 25℃.

研究了不同温度下3种稀土硝酸盐：Ce(NO3)3、La(NO3)3、Y(NO3)3，在非水溶剂中（无水乙醇、丙酮、DMF）的电导性质，并利用公式求得25℃时Ce(NO3)3、La(NO3)3、Y(NO3)3的摩尔电导率。

Sulphates, nitrates and phosphates are generally considered to be protective towards galvanizing.

硫酸盐、硝酸盐和磷酸盐一般被认为对镀锌层有保护作用。

"Lin Po-taste" of amino acid nutrition of organic fertilizer comprehensive nutrient supply timely and reasonable ratio, the improvement of agricultural product quality of internal and external At the same time, in Cailei can greatly reduce the amount of nitrates, thus reducing the human health Hazard.

&莲味宝&氨基酸有机肥营养全面养分供应及时，配比合理，提高农产品的内在和外在品质同时，对中菜类能大大减少硝酸盐的数量，从而减少对人体健康的危害。

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。