通过进一步碱浸可提高钨粉的纯度。
The purity of tungsten is improved by leaching in NaOH solution.
介绍碱浸-电解湿法直接生产金属锌粉的新工艺。
The new technology of production of Zn powder by alkaline leaching and electrowinning is described.
研究了烧结法处理铝土矿,烧结块碱浸,渣酸浸的工艺。
Research is made on the process of bauxite ore sintering, followed by agglomerate alkaline pickling, residue acid leaching.
在最佳碱浸工艺条件下,二氧化硅浸出率达到96%以上。
While in the optimum conditions of alkaline leaching, it is possible to extract 96% of silicon dioxide.
考察了超细磨碱浸的作用,讨论了促进黄铁矿分解的机械化学机理。
The function of ultra fine grinding and alkali leaching is investigated, and the mechanochemistry mechanism of accelerating pyrite decomposition is discussed.
对钠化焙烧—碱浸法从浸锌渣还原铁粉中提取镓锗进行了系统研究。
On this basis, soda roasting followed by caustic soda leaching are studied systemically in order to recover gallium and germanium from ferrous powder reduced from zinc-leaching residues.
比较结果表明,采用碱浸预处理后氰化、氰渣浮选工艺经济效益更好。
The second was that cyanidation after alkali leaching was followed by flotation of cyanide residue.
大豆分离蛋白的碱浸提酸沉淀工艺,目前普遍存在成品得率低,纯度低的问题。
The major problems such as low recovery ratio of protein, low yield and purity of finished products are found in the process of isolation soy protein by alkali extraction and acid precipitation.
大豆分离蛋白的碱浸提酸沉淀工艺,目前普遍存在蛋白质回收率低,分离蛋白成品得率低,纯度低的问题。
The major problems such as lower recovery ratio of protein, lower yield and purity of finished products existed in the process of isolating soy protein by alkali extraction and acid precipitation.
高钛型高炉渣可以通过加压碱浸实现高钛型高炉渣渣钛分离,同时,高钛型高炉渣中的硅、铝也可以从渣中分离进入溶液中。
By pressurized soak with the alkali, the titanium, the aluminum and the silicon can be effectively separated from the high titania bearing blast furnace slag to enter in the solution.
本文系统地描述了白炭黑在工业中的应用,并介绍了现有的白炭黑制备方法,如以蒙脱石为原料的碱浸法、以四氯化硅为原料的气相法、以水玻璃为原料的沉淀法等。
The authors introduce its application in many fields and its current preparation techniques, e. g. taking montmorillonite as raw material to prepare amorphous silica by NaOH liquor lixiviation;
结合某铀矿床碱法地浸室内试验,进行了氧化剂的种类、质量分数和溶浸剂的种类、质量分数选择试验,研究了反应时间、矿石粒度对铀浸出率的影响。
According to the in-room experiment for alkaline leaching of uranium deposit, the effects of the sorts and concentration of oxidants and solvent solutions are studied.
本文介绍在复盐法生产钨酸中用机械活化浸取工艺代替碱煮浸取工艺的新方法。
This paper introduces the digestion technology of mechanical activation in lieu of that of alkali boiling for manufacturing tungstic acid.
对碱液浸提法提取桔皮膳食纤维的工艺进行了研究。
The technology of extracting dietary fiber from orange peel by alkali solution is studied.
对浸锌前处理的碱蚀和出光的改进方法进行了总结。
Improvement in alkaline etching and smut removing before zincate treatment was summed up.
酶浸法和氯仿法提取马钱子生物总碱的产率分别为:2.85%、1.86%。
The contents of total alkaloids extracted by two methods were 2.85% and 1.86 respectively.
以南瓜果肉为试材,研究乙醇浸提法提取胡芦巴碱工艺条件。
In this study, alcohol was used to extract trigonelline from pumpkin flesh.
用混合溶剂提取法研究催吐萝芙木水溶性生物碱的浸提工艺。
Extraction processes for water soluble alkaloids from Rauvolfia vomitoria Afzel with various mixed solvent systems were described.
由N235与路易斯碱三辛基氧膦(TOPO)组成协同萃取体系,对碱性氰化浸金贵液中金(I)协同萃取和反萃进行了研究。
This paper aims to extraction and stripping of gold(I) from alkaline cyanide leaching solution by the N235-TOPO co-extraction system.
较为详细地介绍了砂岩铀矿碱法地浸加压溶解氧浸出的试验结果。
The test results on alkaline in-situ leaching of sand stone uranium ore from Xinjing under pressure dissolved oxygen are introduced in detail.
并以苯并恶嗪预聚体为胶液、无碱玻璃布为基材,经浸胶、烘焙、压制制得一种玻璃布层压板。
A new glass cloth laminate was prepared by using benzoxazine as liquid cement, alkali-free glass cloth as backing material, and treating with cement dipping, baking and pressing.
研究了在稀碱条件下玉米胚蛋白的浸提工艺。
The technology for protein extraction from defatted corn germ with thin alkaline solvent was studied.
本文综述了制革工业中浸碱废液和铬污染的治理现状。
The current situation of treatment of alkali treating wastewater and Cr pollution in leather-making industry were reviewed.
考察了浸提液的碱浓度、浸提温度和蒸馏加盐量对烟碱提取率的影响。
The effects of the concentration of sodium hydroxide solution, immersing temperature and the amount of salt added during distillation on the yield of nicotine were examined.
对国内外采用粉煤灰提取氧化铝的工艺方法及研究进展进行了阐述,包括碱法烧结和酸浸法等工艺。
Methods including alkali sintering method, acid leaching method and so on of extracting alumina from fly ash and research progress thereof at home and abroad have been expounded.
介绍了钠化焙烧、无盐氧化焙烧、酸(碱)浸石煤等提钒的工艺及其演变过程。
Extraction technology of vanadium from the sodium roasting, the non-salt oxidizing roasting, the stone coal soaking by acid (alkali) and its evolvement process were introduced.
麻黄碱盐类存于麻黄草草心,用双辊碾压机将麻黄草表皮碾破,可使浸取速率提高十倍以上,通过喷淋浸取获得澄清的浸取液。
The epidermis of ephedra herbs was broken by crashing roll so as to raise the extraction rate of ephedrine by more than ten times. The liquid from sprinkling extraction was clear.
采用水浸-氧化锌苛化-碳酸化-萃取流程从未氧化的碳还原熔炼渣中提取钼和再生碱。
Using the process:water leaching, zinc oxide, causticize, carbonate, solvent extract, stripping to recycle molybdenum and to regenerate alkali.
上述残渣分别在碱液和酸液中浸提、抽滤、清水洗至中性,干燥后得到水不溶性膳食纤维产品。
The water insoluble dietary fiber is obtained by leaching the residue in alkali solution and acid solution respectively, suction filtering, water washing to neutral, drying.
将无灰无硫化碱脱毛浸灰试验工艺同传统石灰硫化碱脱毛浸灰工艺在绵羊皮上的应用进行了对比。
A process of sheepskin leather in beamhouse was investigated, which studied sulfides and sulfide-free unhairing, liming and lime-free swelling.
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