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The optimal technological parameters of oil extraction from Kosteletzkya virginica seeds by supercritical CO2 fluid extraction technology should be as follows: extraction pressure 25MPa, extraction ...

结果表明超临界CO2流体萃取技术提取海滨锦葵籽油的最佳工艺参数为:萃取压力25MPa,萃取温度45℃,CO2流量18kg.h-1,萃取时间为120min,在该工艺条件下萃取三次,海滨锦葵籽油萃取率达到19.35%。

The results indicate that different molecular weight of dextran could be obtained by direct fermentation,and the acid hydrolyzing in the old technology be avoided.The yield reached the maximum by controlling the pH value to be 8.0,and the inorganic salt could promote the growth of the Leuconostoc mesenteriodes with the effect of promotion being Mn2++Ca2+>Mn2+>Ca2+.

结果表明:通过定向发酵技术可得到符合要求的不同分子量的右旋糖酐,避免了老工艺中酸水解工艺;控制发酵培养基pH值为8.0,可使产率最大;无机盐离子Mn2+和Ca2+能促进L.M菌的生长,其促进菌生长的程度大小依次为:Mn2++Ca2+>Mn2+>Ca2+。

The objective of research was to provided scheme and experiment data for utilization of melilotus.

本文对草木樨中的香豆素提取工艺进行了研究和优化,开发出一条成本低、污染少、适于放大生产的工艺路线,从而为草木樨的综合利用提供了技术方案和试验数据。

Kinds of collections of fermented foods;②subculture technics of collections of fermented foods;③disposal and fermentable preparation of fermented materials;④metabolism and metabolic control of microbic fermentation;⑤technics and detections of kinds of fermented foods;⑥separations and distillations of fermented foods;⑦typic clarifications of kinds of fermented foods fully.

主要内容有:①各类发酵食品的菌种;②发酵食品菌种的扩大培养技术;③发酵原料的处理与制备工艺;④微生物发酵的代谢及调控;⑤发酵类食品的生产工艺及产品的检测;⑥发酵食品的分离提取等;⑦对各类发酵食品的典型实例作全面的阐述

The introduction is made on the main foaming technologies of microcellular plastics, especially the processing technology of continueous extrusion and the effects of the main processing conditions on the final product.

介绍了微孔泡沫塑料的主要成型技术,详细阐述了连续挤出法的成型工艺及主要工艺条件对最终制品的影响。

The high velocity arc spraying technology and powder-cored metal threads were bi-used to repair the waste components, and the integration between coating preparation and materials formation to Fe-Al base intermetallic compounds came true. A new supersonic ion spraying technique, named bi-channel, bi-temperature, was invented to solve successfully the issues of over-melting, half-cooked and burned materials. The high-energy mechanical and chemical method with own property right was explored to solve successfully the issue, which the nano particles dispersed evenly and suspended stably in the solution. After perfecting the techniques the high-performance co-electrodeposition between the conductive matrixes metal Ni and the nonconductive nano particles carried out. The excellent nano anti-friction self-repairing additives was prepared to achieve elementarily the self-repairing on the worn surface during the equipment worked.

首次将高速电弧喷涂技术与粉芯丝材相结合的方法应用于再制造零部件的表面修复,实现了Fe-Al金属间化合物的制备与涂层成形一体化;发明了一种&双通道、双温区&的高效能超音速等离子喷涂新工艺,解决了过熔、夹生及烧损问题;开发了具有自主知识产权的高能机械化学法,解决了纳米电刷镀时纳米颗粒在多离子溶液体系中的均匀分散与悬浮稳定的难题,通过工艺优化实现了非导电的纳米颗粒与导电的基质金属镍的高效共沉积;发明并制备了性能优异的纳米减摩自修复添加剂,初步实现了在装备运行过程中对磨损部位的原位动态自修复。

The hydroxylamine oximation in such process is key program to prepare the cyclohexanone-oxime and undertake the effectual circulation of inorganic process liquid and organic process liquid.

其中环己酮肟化工序是HPO法的核心技术和关键工序,该工序以产肟为目的,并实现无机工艺液和有机工艺液的有效循环。

From the viewpoint of controlling the processing parameters, the production technology of fine denier polypropylene POY is explorated . The effects of the parameters on the structure and properties of the POY are analysed, thus the optimal processing condition is found.

本文主要从分析工艺条件及参数的控制出发,对细旦丙纶POY的生产技术进行探讨,了解这些参数对POY的结构和性能的影响,从而为寻求最佳化的工艺参数指明方向,以求正确指导细旦丙纶POY的生产。

This paper reports the experimental equipment and technology parameter for the synthesis of diisopropylbenzene and triisopropylbenzene by catalytic alkylation between benzene and propene, the conversion of benzene is more than 98%,the selectivity of diisopropylbenzene and triisopropylbenzene is more than 40% and 36% respectively.

报道了苯与丙烯催化烷基化合成二异丙苯和三异丙苯的实验装置与工艺条件,苯的转化率达98%以上,二异丙苯的选择性≥40%,三异丙苯的选择性≥36%,经分离后可获得纯度≥95%的二异丙苯和三异丙苯产品,所提供的合成工艺基本上无污染,在国内外具有先进的技术。

Based on the freeze-drying technology of the pteridium aquilinum, the color protection, brittleness keeping, rehydration and Vitamin C surplus rate of dried pteridium aquilinum were discussed in particular.

研究侧重从干制蕨菜的护绿、保脆、复水性及Vc的保存率等方面,讨论了蕨菜的冷冻干燥生产工艺,并得出了蕨菜冷冻干燥的最佳工艺条件,可为技术工业化提供理论依据。

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推荐网络例句

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性,但我大喊,并在他们的方向扔石头让他们过的线索,远离我,以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。

Store this product in a sealed, lightproof, dry and cool place.

密封,遮光,置阴凉干燥处。