查询词典 phosphoric

The results show that flotation separation rutile and almandine can be realized by using alkyl-imino-bismethylene phosphoric acid (ATF1024) as a collector and (NaPO3)6 as a regulator.

结果表明，以烷胺双甲基磷酸(ATF1024)为捕收剂，六偏磷酸钠[(NaPO3)6]为调整剂，可以实现金红石与石榴石之间的浮选分离。

The ammoniation of phosphoric acid is an instantaneous fast gas-liquid reactioncontrolled by gas-film mass transfer.

从节能、降耗、减排的角度出发，有必要开发一种流程短，排污环节少，能耗低的新工艺流程。

PAN-based carbon fibers were modified by electrochemical treatment using phosphoric acid, sodium hydroxide and ammonium acid carbonate as electrolyte respectively.

分别采用磷酸、氢氧化钠和碳酸氢铵3种电解液对PAN-基碳纤维进行电化学改性处理，研究电解液种类对碳纤维电化学改性效果的影响规律。

With the growth in demand for phosphoric acid, ammonium phosphate and triple superphosphate in industry and agriculture, China has become the largest phosphogypsum country.

随着工业、农业上对磷酸、磷铵和重过磷酸钙的需求增长，中国已经成为第一大磷石膏副产国。

Methods This title compound was prepared using the O-phenylene diamine and the anisaldehyde as the raw material,methanol as the solvent,and the phosphoric acid makes the oxidant.

方法本课题以邻苯二胺和对甲氧基苯甲醛为原料，在甲醇为溶剂，磷酸为催化剂的酸性条件下，一步反应制得2-(4-甲氧基苯基)苯并咪唑。

After homogenate and centrifugation, the fat existing in liver was removed by diethyl ether. Then, the pH of the remaining aqueous layer was adjusted to 11.6 and clenbutamol was extracted using diethyl ether. The mobile phase component A was 50mmol/L phosphoric acid – 30mmol/L triethylamine and the pH was adjusted to 4.0 with 2mol/L sodium hydroxide.

此外，又将含有盐酸克伦特罗的猪肝用匀浆机匀浆，用1mol/L盐酸溶出其中的盐酸克伦特罗，再用乙醚去除盐酸溶出液中的脂肪后，用2mol/L氢氧化钠调节溶出液pH为11.6，用乙醚萃取其中的克伦特罗。

Hydride generation atomic absorption spectrometry, phosphate rock, wet-process phosphoric acid, trace arsenic, trace mercury, determination

氢化物发生-原子吸收光谱法，磷矿石，湿法磷酸，微量砷，微量汞，测定

The optimal separating condition of chromatography analysis was: Shimadzu VP-ODS 150mm4.6mm as chromatographic column; acetonitrile/water (12/88,V/V, Contained 1.25mmol/l phosphoric acid) as mobile phase with flow rate of 1.0ml/min. Macroporous ion exchange resins and activated carbon were applied to enrich the trace level impurities and the main impurities was determined by LC-MS and GC-MS.They were : Benzonitrile , 2-Methyl-8-hydroxyquinoline, 2,6-Pyridinediamine , O-ethyloxime Cyclo-hexanone and compound with 220 molecular weight .

采用离子树脂和活性炭吸附富集这些微量的杂质，并通过液质联用和气质联用对杂质进行了定性分析，鉴定了影响290nm吸收的主要杂质为苯甲腈，2甲基-8羟基喹啉，2，6二氨基吡啶，O-乙基环己酮肟和分子量220的物质。

But bivalent and trivalent metal salts of the phosphoric acid had little effect on properties of iPP.

而二价的钙盐、镁盐、锌盐和三价的铝盐的成核效果不明显。

The room curing mechanism of high temperature adhesive composing of PF resin and boron carbide and phosphoric acid is discussed.

对PF+B〓C+H〓PO〓冷固化型高温粘结剂的冷固化机理、结构与粘接性能间的关系进行了分析讨论。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。