查询词典 raw

The watermelons, the citrullus lamtus or the stems and leaves thereof are taken as raw materials, and the extracting process comprises the following steps: firstly, the raw materials are washed clean and broken to separate the watermelon peel from the watermelon pulp for respectively extracting juice; the two juices are mixed, and micro-filtration and ultra-filtration are carried out to remove insoluble substances and macromolecular substances; and then reverse osmosis and nano-filtration are carried out to obtain the filtrate; the pH value of the filtrate is regulated and then a macroporous strong acid cation exchange resin column is added; and then ammonia water is taken as an eluant for isocratic elution; the eluent obtained is decompressed, distilled, deaminized, discolored, condensed and crystallized to obtain a white crystalline product of the natural L-citrulline extracted from the watermelons.

本发明方法以西瓜、打瓜或者其茎叶为原料，其过程为：首先将原料清洗干净，破碎后将西瓜皮西瓜瓤分开，分别进行榨汁；所得汁液合并，经过微滤和超滤除去不容物和大分子物质；然后再经反渗透和纳滤过滤；透过液调节pH值后通入大孔型强酸性阳离子交换树脂柱；然后以氨水做洗脱剂进行等度洗脱；将洗脱液减压蒸馏脱氨，脱色，浓缩结晶，得到西瓜提取天然L-瓜氨酸白色结晶产品。

ResultsThe optimized extraction technology for Huang-lian-xiao-ke Granule was as follows: Copis chinensis Franch. and the other four kinds of raw materials in the origin prescription were decocted separately; after soaked for 30min, the coarse powder of Copis chinensis Franch was decocted with 12,10 times water each time and both for 1.5h; after soaked for 30min, the four kinds of raw materials were decocted together for 1.5h just one time with 10 times water.

结果优选出的提取工艺为：黄连与原方中其余四味药分开提取；黄连粗粉浸泡30 min后，用12，10倍量水提取2次，提取时间均为1.5 h；其余4味药一起提取，浸泡30 min，加10倍量水提取1次，提取时间为1.5 h。

How to realizeprocess control of Furan resin-bonded sand self-curing technology has been briefly expounded combining practi- cal production with several sections such as raw material preparation, mixing sand, molding, coremaking,recla- mation and technological equipment design which have been depended upon to work out a series of document of techndogy and technique of furan resin-bonded sand self-curing process operational reules, technology regulations and acceptance standard of raw materials to play important role in guiding production on the spot.

本文结合生产实际情况，从原材料的准备、混砂、造型、制芯以及再生过程和工艺工装设计等几个方面，简要阐述了如何对呋喃树脂自硬砂生产工艺过程进行质量控制，并且在此基础上制订了工艺操作规程和工艺守则以及原材料验收标准等一系列有关树脂自硬砂的工艺技术性文件，对现场生产起了重要的指导作用。

How to realizeprocess control of Furan resin-bonded sand self-curing technology has been briefly expounded combining practi- cal production with several sections such as raw material preparation, mixing sand, molding, coremaking,recla- mation and technological equipment design which have been depended upon to work out a series of document of techndogy and technique of furan resin-bonded sand self-curing process operational reules, technology regulations and acceptance standard of raw materials to pl...

呋喃树脂自硬砂；生产工艺过程；质量控制；本文结合生产实际情况，从原材料的准备、混砂、造型、制芯以及再生过程和工艺工装设计等几个方面，简要阐述了如何对呋喃树脂自硬砂生产工艺过程进行质量控制，并且在此基础上制订了工艺操作规程和工艺守则以及原材料验收标准等一系列有关树脂自硬砂的工艺技术性文件，对现场生产起了重要的指导作用。

At present, the company developed sophisticated products: impotence categories: Cialis, Sildenafil, Sildenafil Mesylate, Jinyang alkali, alkali Crepis Vanuatu to That non-, new-yang alkali, Bada then, Acer and that non-weight categories: the new sibutramine, the new Laguna Division him, rimonabant, the new Laguna Division him, the East cloth sibutramine, sibutramine natural home-made raw materials impotence: modulation, and can be used directly in irrigation Capsule Filling natural homemade diet of raw materials: modulation, and can be used directly in irrigation Capsule Filling

目前本公司所开发成熟的产品：壮阳类：西力士，西地那非，甲磺酸西地那非，金阳碱，还阳碱，瓦地那非，新阳碱，巴达那，宏地那非减肥类：新西布曲明，新丽司他，利莫那班，新丽司他，东布曲明，西布曲明

Crotonaldehyde aldehyde is acetaldehyde as raw materials, as a condensation NaOH solution extraction, manufacturing sorbic acid is the main raw material.

巴豆醛是以乙醛为原料，经NaOH溶液萃取缩合产生，是制造山梨酸的主要原料。

The crotonaldehyde is produced upon catalysis and condensation with acetic aldehyde as raw materials. It is a major raw material for making sorbic acid.

巴豆醛是以乙醛为原料，经NaOH催化缩合产生，是制造山梨酸的主要原料。

objective:with the local lobster shell as the raw material,we inquire into the abstraction and preparation of chitin and chitosan to develop a new raw material resources for chitosan.methods:use methods such as take off protein,calcium,colour,deacetylate and purification to prepare chitosan to study deacetylate degree,molecular weight and other characters of chitosan,then compare with infrared spectrum of bio-chemical chitosan on market.results:the chitin and chitosan obtained from lobster shell are 14.8% and 8.9%, respectively.

目的：以地产龙虾壳为原料，探讨其甲壳素的提取和壳聚糖的制备方法，以开发壳聚糖制备的新原料资源。方法：用脱蛋白、除钙、脱色、脱乙酰基、纯化等方法制备壳聚糖，研究其壳聚糖的脱乙酰度、分子量等性质，并与市售生化级壳聚糖的红外光谱进行比较。

A catering service provider shall, during the production and processing process, check the food and raw materials to be processed, and shall not process or use any food or raw material which is found to be rotten or deteriorative or abnormal in sensory properties.

餐饮服务提供者在制作加工过程中应当检查待加工的食品及原料，发现有腐败变质或者其他感官性状异常的，不得加工或者使用。

The method comprises following steps: taking diphenol and 3- trifluoromethyl- 4- chloronitrobenzene as raw material, salt precipitating for diphenol and potash, refluxing with water- containing toluene, reacting with 3- trifluoromethyl- 4- chloronitrobenzene and getting dinitro monomer; taking dinitro monomer, ferro powder and HCl as raw material, ethanol and water as disslovant for refluxing and ethanol recrystallization, getting fluorine- containing aromatic diamido monomer.

合成方法是以二酚与3-三氟甲基-4-氯硝基苯作原料，先将二酚与碳酸钾成盐，甲苯带水回流反应，然后与3-三氟甲基-4-氯硝基苯反应制得二硝基单体；再以二硝基单体，铁粉，HCl为原料，乙醇和水做溶剂，回流反应、乙醇重结晶，得到含氟芳香二胺基单体。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"