The influence of ultrasonic wave on the phosphorite acid decomposition was studied.
讨论了超声的声强、时间、温度对磷矿酸解的影响。
Soluble in acid and ammonium salt solution of dilute acid decomposition to emit carbon dioxide.
易溶于酸和铵盐溶液,遇稀酸即分解放出二氧化碳。
The results show that athletes' aerobic endurance, lactic acid decomposition and strength are improved significantly.
结果表明运动员的有氧耐力、乳酸分解和力量等方面明显提高。
The acid decomposition reaction of phosphate rock is not the exchange between ions, but the exchange between functional groups.
磷矿酸解反应并非是离子间的交换,而是功能基团之间的交换。
The content of carbonate and its presence status in phosphate ore have large effect on acid decomposition activity of phosphate ore.
磷矿中碳酸盐的含量及在磷矿晶体中的存在状况对磷矿的酸解反应活性有着较大的影响。
In the project produces oily dirt, dirt and fuel, chromic acid, lime etc scrap, decomposition leather coagulation fat.
工程中产生的油垢,污垢,以及燃料、铬酸、石灰等残余物,分解皮革的凝固油脂。
Detailed discussion of acid reaction conditions and the impact of factors, cinder of iron oxide decomposition rate of over 95%.
详细讨论了酸解反应工艺条件及影响因素,使烧渣中的氧化铁分解率达95%以上。
In a laboratory incubation experiment, timing change in amount of humic acid(HA) and fulvic acid(FA) was studied in dark-brown soil and paddy soil during corn stalk decomposition.
通过室内培养试验研究了玉米秸秆在暗棕壤和水稻土中分解期间全土及不同结合态胡敏酸、富里酸数量的动态变化。
Zinc could promote the decomposition of cellulose, the formation and transformation of acetic acid, increase the activity of dehydrogenase.
锌在沼气发酵中能促进纤维素的分解、乙酸的形成和转化,提高脱氢酶的活力。
The process technology of manufacturing potassium dihydrogen phosphate by double decomposition with wet - process phosphoric acid purified by reaction medium circulation was introduced in this paper.
介绍了三聚氰胺反应媒循环法净化湿法磷酸复分解生产磷酸二氢钾的工艺技术,对由两种不同原料出发的工艺路线所得的产品进行了成本比较。
There are many ways of pretreatment to high arsenic gold concentrate such as roasting, pressure oxidation, bacterium oxidation, decomposition by nitric acid, eliminating arsenic in vacuum, etc.
目前对高砷硫金矿的预处理方法主要有氧化焙烧法、加压氧化法、细菌氧化法、硝酸分解法、真空脱砷法等。
A persulphate oxidation method in acid medium for decomposition and analysis of dissolved total phosphorus in seawater was proposed.
依此,建立酸性过硫酸盐氧化法分解测定海水中溶解态总磷的方法。
The indium sesquioxide with over 99% purity can be prepared by a decomposition of nitric acid. The method was characterized by fewer equipments, simple operation, low cost and quick yield.
采用硝酸分解法可制取纯度高于99%的三氧化二铟。本法具有设备少、操作简单、成本低、见效快等优点。
A relatively systematic study is made of the effect of such impurities as compressor oil, nitric acid and chlorides on the thermal decomposition properties of ammonium nitrate (an) solution.
就压缩机油、硝酸、氯化物等杂质对硝酸铵(AN)溶液热分解特性的影响进行了较为系统的研究。
The fluorine was expelled by adding sulphuric acid for decomposition of the sample.
用硫酸分解试样至冒硫酸浓烟,氟被驱除尽。
The results showed that the decomposition rate increased as P2O5 concentration in phosphoric acid increased and the temperature moved up.
研究结果表明:反应速率常数随温度的升高和磷酸中P2O5质量分数的增加而增加。
With the Zinc as the catalyst, lactide monomer was obtained by decomposition of low polymer. With the zinc diethyl as the catalyst, the lactide was polymerized to Poly(DL-lactic acid).
以锌为催化剂由乳酸的低聚物裂解制得单体丙交醋,再由二乙基锌引发开环聚合得到高分子量的聚乳酸。
The milk samples are pretreated with tiny boiling hydrochloric acid for decomposition and purification. Using the K-matrix method to calculate calcium and magnesium.
采用盐酸煮沸分解,净化,借助于K-矩阵法同时测定了牛乳中钙和镁。
Through the experiment of stability, the influence of temperature, dilution water quality and some stabilizers on the decomposition of peracetic acid was revealed.
通过稳定性试验,揭示了温度、稀释用水水质和某些稳定剂对过氧乙酸分解的影响。
The indium sesquioxide with over 99% purity can be prepared by a decomposition of nitric acid.
采用硝酸分解法可制取纯度高于99%的三氧化二铟。
Phosphorus decomposition rate shows the phosphate rock reactivity under certain concentration of acid solution, certain temperature and certain reaction time.
用磷矿在一定浓度酸液中,在一定温度、一定反应时间下的分解率表示磷矿的反应活性。
Soluble in strong acid or alkali and decomposition, insoluble in water and organic solvents.
溶于强酸或强碱并分解,不溶于水和有机溶剂。
Nitric acid is not stable, easy to see light decomposition, should be in brown bottle in the shadows to avoid light preservation.
硝酸不稳定,易见光分解,应在棕色瓶中于阴暗处避光保存。
The results showed that the decomposition of boric acid happens on coke surface and B2O3 is produced covering on the surface of coke pores to prevent coke from contact with CO2.
结果表明:硼酸复合制剂在炽热焦炭的表面发生分解,生成B2O3覆盖在焦炭气孔的表面,阻碍焦炭与CO2的接触;
Oil industry: fatty acid distillation, oil decomposition, concentration, esterification, vacuum deodorization control temperature and reaction kettle, the reaction kettle heating.
油脂工业:脂肪酸蒸馏、油脂分解、浓缩、酯化、真空脱臭等反应釜控温,反应釜加热。
Cefixime open side chain acid was prepared by oximation, etherification, chlorination, ester decomposition using t-butyl acetoacetate as starting material.
以乙酰乙酸叔丁酯为原料,经过肟化、醚化、氯代酯解反应合成了头孢克肟开环侧链酸。
The macro-kinetics characteristics of decomposition of witherite with nitric acid in a batch reactor are studied.
对铝酸钠溶液中析出一水软铝石过程的宏观动力学进行了研究。
The macro-kinetics characteristics of decomposition of witherite with nitric acid in a batch reactor are studied.
对铝酸钠溶液中析出一水软铝石过程的宏观动力学进行了研究。
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