尝试使用柠檬酸法合成出w型铁氧体。
We have tried to synthesize W-type ferrite by citric acid method.
并在相同粒度、相同矿物量等条件下进行了本法与草酸法、盐酸-柠檬酸法的黑、白钨矿溶解率的对照试验。
Comparing the solubility of scheelite and wolframite in dil. nitric acid with those in oxalic acid or in hydrochloride acid-citric acid has been carried out.
通过实验确定PVA法合成工艺条件，比较而言，PVA法比柠檬酸法具有成本低、生产周期短、可操作性强等优点。
The processing parameters were studied through experiments. Compareing with citrate method, PVA method is better because of low cost, short production cycle, maneuverability.
最近有三名国会议员就破裂法发表报告，报告指出，2005—2009年间石油和天然气公司使用的2500多种破裂材料含有750种化学物，有些成分是对人体无害，如柠檬酸、速溶咖啡。
Three members of Congress recently released a report on fracking, saying that oil and gas companies used more than 2,500 fracking products containing 750 chemicals between 2005 and 2009.
研究了接种量、发酵温度与时间、氮源等因素对以陈化稻米为原料，黑曲霉液态发酵法生产柠檬酸的影响，并优化了工艺。
The effects of inoculums, fermentation temperature and time, and nitrogen source on production of citric acid from aged paddy rice by liquid-state fermentation of Aspergillus niger were studied.
以柠檬酸和尿素为原料制备柠嗪酸，并通过正交法优化其制备条件。
Citrazinic acid was synthesized from citric acid and urea. The preparation condition was optimized by orthogonal test.
文章摘要：研究了毛细管电泳法分离测定草酸、乌头酸、苹果酸、柠檬酸等有机酸的条件。
Abstract: The simuhaneous determination of organic acids, such as oxalic acid, aconitic acid, malic acid and citric acid by capillary electrophoresis was discussed.
采用电位阶跃法研究了铜基体上柠檬酸及其钾盐的缓冲溶液中锑的电结晶过程。
The single potential method was adopted to study the electrocrystallization of Sb on the copper cathode from aqueous citric acid and potassium citrate bath.
探讨了加入柠檬酸对溶胶-凝胶法合成铬锡红色料的影响。
In this paper, the influence of chrome-tin pink pigment synthesized are mainly researched by sol-gel method with citric acid.
柠檬酸是一种重要的有机酸，主要通过发酵法生产。
Citric acid is an important organic acid and mainly produced by fermentation method.
采用化学共沉淀法以柠檬酸三钠为表面改性剂制备了离子型稀土复合钴铁氧体磁流体。
Rare earth composite cobalt ferrite ionic magnetic fluids were prepared by precipitation in the presence of Tri-sodium citrate.
用粘度法研究了明胶浓度、反应温度和柠檬酸用量等因素对明胶酸水解反应初速率的影响；
The effects for acid hydrolysis of gelatin from the various factors including weight concentration of gelatin, reaction temperature and amount of added acid, etc. are studied by the viscosity method.
用粘度法研究了明胶浓度、反应温度和柠檬酸用量等因素对明胶酸水解反应初速率的影响；
The effects for acid hydrolysis of gelatin from the various factors including weight concentration of gelatin, reaction temperature and amount of added acid, etc. are studied by the viscosity method.
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