再蒸馏
- 与 再蒸馏 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
The benzole is then recovered from the oil by steam distillation and stored prior to dispatch off site for sale.
然后用水蒸汽蒸馏将粗苯从油中进行回收,再加以储藏、分送出厂销售。
-
The fir essential oil was extracted from fir root by steam distillation method, from which cedrol was extracted, and then, cedrol methyl ether was synthesized based on cedrol.
以杉木根为原料通过水蒸气蒸馏法提取杉木精油,从杉木根精油中精制提取柏木脑,再以柏木脑为原料合成甲基柏木醚。
-
MEANWHILE USE ORIGINAL LIQUID TO DISTIL ,DIVIDE,DECOLOR. TO MAKE THE PRODUCTS MORE USEFUL AND .
同时利用原液再进行蒸馏,提纯,细分,脱色,使产品用途更大,范围更广。
-
I would suggest if you could distill your water and then put it in a large container to drink.
如果条件允许,我建议大家宁愿将水蒸馏之后放入一个大容器里再饮用。
-
Methods Volatile oil was extracted from fresh tansy by vapor distillation.
水蒸气蒸馏法提取鲜艾叶挥发油,饱和水溶液法制取挥发油β-环糊精包合物,水蒸气蒸馏法再提取包合物中挥发油,紫外光谱法分析包合前后挥发油。
-
The key techniques of this project are as followes: By means of optimum seeking of pure Cinnamomum camphora var.
本项目核心技术:通过优选含芳樟醇高达95%的纯种芳樟,再经植物克隆技术培育成种苗,种植后不变异;有效物含量高;杂质少;不经蒸馏分离工序,即可达到合格产品。
-
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。
-
The synthesis method of the invention is as follows: first, 5-amino-2-(p-aminophenyl)- benzoxazole and aliphatic diacid are respectively recrystallized; NMP is distilled; solubilizer is dried; second, in an atmosphere of nitrogen, after Py and NMP are mixed evenly and added to a sealed reactor, the solubilizer is added into the reactor, followed by the 5-amino-2-(p-aminophenyl)- benzoxazole, then the mixture in the reactor is stirred; second, in an atmosphere of nitrogen, the mixture in the second step is stirred and heated to 50-150 DEG C, then the aliphatic diacid is added, followed by TPP for condensation; fourth, after methanol is poured into the reactor, the sediment is separated out from the mixture, filtered, washed and dried, so the semi-aromatic polyamide containing oxazole ring is obtained.
本发明的合成方法如下:一、分别重结晶5-氨基-2-苯并唑与脂肪族二酸;蒸馏NMP;干燥增溶剂;二、在氮气气氛下,Py与NMP混匀后加入密封的反应器中,再加入增溶剂,然后加入5-氨基-2-苯并唑,搅拌;三、在氮气气氛下,将步骤二的混合液搅拌并升温至50℃~150℃后加入脂肪族二酸,再加入TPP后缩聚;四、再倾入甲醇析出沉淀,过滤,清洗沉淀,再干燥;即得到含唑环半芳香聚酰胺。
-
The method comprises heating up the lactic acid solution to gasify at 150-200 degree C, mixing the obtained mixed vapour of lactic acid and water with the carrier gas, entering into gas-solid catalytic reactor to get the reaction product gas by the action of a modified Y zeolite molecular sieve catalytic agent and dewatering after heating up the mixed gas to 200-450 degree C, obtaining the propenoic acid solution through gas-liquid dissociation after cooling the reaction product gas, obtaining coarse propenoic acid products form the propenoic acid solution by gas stripping, azeotropic distillation, extraction and rectification in turns.
其特征在于将乳酸水溶液加热至150~200℃气化得到的乳酸-水混合蒸气与载气混合,将混合后的气体继续加热到200~450℃后进入气-固相催化反应器中经改性Y沸石分子筛催化剂作用脱水得反应产物气体,反应产物气体冷却后经气液分离得到丙烯酸溶液,丙烯酸溶液再依次经过气提、共沸蒸馏或萃取、精馏得到粗丙烯酸产品。
-
A bottom product of the distillation column is partly to completely sluiced out and is partly evaporated in a main evaporator and at least one downstream re-evaporator and partly recycled back into the column.
蒸馏塔的底部产物部分至完全地排出,部分在主蒸发器和至少一个下游再蒸发器中蒸发,部分再循环到蒸馏塔中。
- 推荐网络例句
-
Objective: To study the effect of polycythemia on blood oxygen saturation.
裴蕾目的:观察RBC剧增而引起的高粘血症对血氧饱和度的影响。
-
Based on SIMPLER algorithm in the curvilinear body-fitted coordinates, the calculations were performed for Pr=0.7, Re=10~1000 on non-orthogonal non-staggered grids which are generated by elliptic equation systems.
采用曲线坐标系下压力与速度耦合的SIMPLER算法,数值研究了周期性渐扩渐缩波纹通道内脉动流动与换热情况,流动Re数的范围为10~1000,Pr数为0.7。
-
Such a traditional division of the zone of aeration is useful for illustrative purposes.
为了说明的目的,包气带的传统划分是有用的。