结果以75%的乙醇提取效果优于95%的乙醇及水的提取。
煤炭采掘业没有本行业的会计信息披露规范,只能遵循共同的披露规则。
通过对某丙烯腈萃取精馏塔的稳态仿真,充分证实了这种模型化方法的优越性。
利用不同溶剂提取叶绿体色素,再用纸层析法对叶绿体色素进行分离,并对分离效果进行比较。
目的测定芦荟乙醇提取液在脱苦前后总蒽醌含量的变化情况。
报导了苯抽提蒸馏技术新工艺在连续重整工业装置上的应用。
本发明提供了一种从荜茇中分离得到的荜茇总生物碱提取物,并提供了其制备方法。
离子液体具有独特的催化和溶解双重作用,使其在萃取分离、催化降解方面具有巨大潜力。
萃取精馏是分离沸点相近或具有恒沸组成混合物的一种重要方法。
结论皂角提取物能显著减少心肌耗氧量,对缺血心肌具有保护作用。
CITYHOUSE外观设计采用多国精粹建筑的形式,呈现万种风情。
所以随着总黄酮浓度的增加,抗油脂氧化能力明显增强。
现有的共沸精馏、萃取精馏及渗透蒸发等分离方法都存在着自身的局限性。
大多数树种的边材要比含有教高抽提物含量的心材更易受真菌的侵害。
以二氯甲烷作为萃取剂具有能耗低、待分离体系热稳定性好和有效能损失小的优点。
四氯甲烷也是一种较常见的化工原料,是一种良好的有机溶剂,在化学实验中常被作为萃取剂等。
结果表明,银杏叶提取液、芦荟提取液对大肠杆菌具有促进代谢作用。
介绍了微型离心萃取器的基本结构、工作过程及其在一些萃取新工艺实验研究中的应用。
研究天然植物提取物大豆异黄酮与原花青素在保健酒中的稳定性。
结果表明,绿豆提取物可以增加铅中毒大鼠的铅排出量,降低骨铅和肝铅。
开展了萃取蒸馏法脱除催化裂化(FCC)汽油含硫化合物的研究。
本文开展了萃取蒸馏法脱除FCC汽油含硫化合物的研究。
本发明是北缬草有机溶剂提取物的医药用途,其特征是具有镇静安眠作用。
因此新法律可能会要求矿业公司与当地社区就其土地上的开采项目进行事先磋商。
1·The condensation of extractive liquid of placenta by ultrafiltration is studied.
报导用超滤法浓缩胎盘萃取液的试验研究。
2·This paper describes the principle and practice for application of extractive technology in extracting gold from lead anode slime.
介绍萃取技术在铅阳极泥湿法工艺中提取金的应用原理和实践。
3·The new process consists of extractive distillation section, degassing section, distillation section and solvent recovery section.
新工艺包括萃取蒸馏区、脱气区、蒸馏区和溶剂回收区。
4·The results showed that the extractive fermentation could reduce the product inhibition on microbes, increase the initial glucose concentration, and increase the fermentation rate.
结果表明,萃取发酵可以减轻产物对微生物的抑制作用,提高初始底物浓度,增加发酵速率。
5·Study on the alcoholic fermentation using dodecanol as the extractive agent by immobilized yeast with alginic acid and polyvinyl alcohol as the mixed carrier was curried out.
以十二烷醇为萃取剂,对以海藻酸钠和聚乙烯醇混合载体固定化酒精酵母乙醇发酵进行了研究。
1·The effect of some kinds of acid, alkali and salt on the transparency and viscosity of gelatin, which are usually used, is studied in extractive gelatin.
研究了明胶提取过程中,几种常用酸碱盐对明胶透明度和黏度的影响。
2·As a new method of nickel extractive metallurgy, the process of chlorine leaching purification electrolysis for nickel sulphide concentrate usually USES solvent extraction as its purification.
硫化镍精矿氯气浸出—净化—电积工艺作为镍提取冶金的新方向,其净化过程大多采用溶剂萃取方法。
3·This article researches and tests the extractive process of pectin from the shin of orange, it discusses all sorts of influencing factors of extraction, pectin quality and propose applicable optimum.
对从柑桔皮中提取果胶进行了研究和试验,讨论了各种因素对果胶质量和提取率的影响,找出了较佳的提取工艺条件。
4·Slurry electrolysis process, which is researched on the basis of analyzing the main problems in heavy non-ferrous hydrometallurgy, is a clean, energy efficiency extractive metallurgical method.
在对重有色金属湿法冶金存在主要问题进行分析的基础上研究成功的矿浆电解新技术,是一种清洁、高效的提取冶金。
5·Methods: To establish the quality control methods and optimize the extractive processes by orthogonal design L9 (34) and correct solvent.
方法:通过溶剂选择和正交设计L9(34),筛选合理的提取工艺,并制定质量控制方法。
1·OBJECTIVE To study the effects of Herba Epimedii extractive on myocardial ischemia in rats.
目的研究淫羊藿提取物对大鼠急性心肌缺血的影响。
2·Methods The extraction process was investigated by solvent extraction and ethanol precipitation, with extractive yield and chlorogenic acid as the indexes.
方法以绿原酸含量和提取物得率为考察指标,通过对水提和水提醇沉两种方法进行比较。
3·The extractive components from soybean meal by ether or ethanol all contained repellent substances poisonous to silkworm in the ether-soluble component of soybean meal.
大豆粉的醚溶性成分及乙醇提取物中均含有抑制桑蚕摄食的忌避因子,酸溶性成分中还存在对蚕有毒性的物质。
4·The invention provides a long pepper total alkaloid extractive separated from long pepper and a preparation method thereof.
本发明提供了一种从荜茇中分离得到的荜茇总生物碱提取物,并提供了其制备方法。
5·METHODS the optimization extractive technology of Xuanfeiqing granules was investigated using orthogonal design with the availability component extracting from the drug as the index.
方法采用正交设计法,以水醇两组提取物中有效成分黄芩苷提取率和水饱和正丁醇提取物为指标,确定提取参数。
1·In addition, the Bank Group will begin requiring disclosure of revenue figures for new major extractive industries projects immediately, and for all projects within two years.
此外,世行集团还开始要求立即公开新的重要采掘工业项目的收入,并在两年内公开所有项目的收入。
2·Inclusion: the World Bank Group is to strengthen its procedures for local community participation with respect to extractive industries projects.
融合:世界银行集团将加强地方社区参与采掘工业项目的程序。
3·"The role played by the stakeholder process led by Dr. Emil Salim was valuable in shaping our thinking and has contributed to global dialogue on extractive industries" Wolfensohn said.
沃尔芬森指出,“由emil Salim博士领导的利害攸关者进程所发挥的作用,在促成我们的思路方面很有价值,并有助于开展有关采掘工业的全球对话。”
1·Complete water filtration system and extractive filtration system.
全自动水过滤及精滤系统。
2·Classical Chinese should be extractive, pellucid and propitious to communicate the distillate of traditional culture, enjoy the artistic composition.
文言要少而精、易懂,且利于沟通传统文化精粹和欣赏艺术创作。