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extraction rates 提取率。

extractive

Secondly the cellulase liquid as the raw material were extracted by the aqueous two - phase . the influences of molecular weight of peg , concentrations of peg and salt , ph value , the phase volum ratio etc , the extraction rate and the partition coefficients were studied . the optimum condition was also determined 其次以纖維素酶液為原料,用雙水相萃取技術提取纖維素酶,考察了不同分子量的高聚物聚乙二醇peg和其質量濃度、其鹽濃度、 ph值、相比等對萃取率和分配系數的影響,確定出雙水相萃取纖維素酶的最佳工藝條件。

The extraction rate could be raised through a certain striking effect on grinding materials because of big grinding area of the disc mill , long grinding time of materials and mild crushing effect during grinding the materials ; the disc mill has a wide application prospect by its good performance , convenient operation and maintenance as well as low price 碾壓磨粉機的研磨區域大,物料受研時間長,破碎作用比較緩和,對研磨物料有一定的打擊作用,可提高取粉率,操作維修方便,價格低,應用前景廣闊。

The article mainly studied and analyzed the chemical structure and conponents of yeast , pointed out that the way that yeast autolysis combined together with both breaking - wall in temperature difference and high - pressure homogenization can be used to promot the inside things from waste yeast cell and enhance the extract rate , thus searched for the technology in higher extraction rate 摘要主要研究分析了酵母化學結構與組成,提出了酵母自溶、溫差破壁、高壓均漿三者相結合的方法來促進酵母內容物溶出提高抽提率,探索抽提率比較高的工藝流程。

The extraction technology of carotenoid from arctium lappa l is under study in this paper , and the effects of factors like extraction temperature , extraction times , granularity of burdock dusts , and solid - liquid ratio on the extraction rate of carotenoid are examined through single factor and orthogonal experiment 摘要考察了牛蒡中類胡蘿卜素的提取工藝,并通過單因素實驗和正交試驗研究了提取溫度、提取次數、物料粉碎粒度、料液比等因素對類胡蘿卜素提取率的影響。

A preparation method of genome dna in spirulina with high quality and high extraction rate for rapd analysis is studied . the high quality genome dna was obtained from the pelitomorphic spirulina about 10 % water content after lyophilized , isolated with ctab buffer and two - time - precipitation method 以含水量約為10的冷凍藻泥為材料,采用ctab緩沖液及二次沉淀提取法,建立了一個可獲得較高純度和得率、適用于rapd分析的螺旋藻基因組dna制備方法。

This paper is focus on the average nitrogen purity related to the air - separation production , and the function of improving oxygen extraction rate . analyzed the affecting factor of average nitrogen purity . and summarized the method of improve average nitrogen purity and its application to an air - separation plant 氮氣平均純度對空分生產中提高氧氣提取率有重要的作用,分析了影響氮氣平均純度的幾種因素,總結出空分裝置提高氮氣平均純度的方法及應用。

The objective of this article is to connect the two methods to establish a new analysis examination method , the main characteristics of which are high medicine extraction rate , thorough getting rid of impurity , suiting soporific analysis and examination , and simple , quick operation 本論文的研究目的是將兩種方法相結合,建立起一種藥物萃取率高、雜質去除徹底,可適合安眠藥物中毒、致死案件檢驗、以操作簡便快速為主要特點的分析方法。

Conclusions vitrectomy for posterior segment intraocular foreign bodies combining with retinal detachment has many advantages : accurate , safety , less injury , high extraction rate and avoiding traumatic proliferative vitreoretinopathy , et al 結論眼后段眼內異物合并視網膜脫離,選擇玻璃體手術具有直觀、準確、安全、組織損傷小、異物摘出率高及去除外傷性玻璃體視網膜增生等優點。

By introducing a licensing system and controlling the number of fishing licences i . e . limiting the entrants , the flp provides a framework for reducing the fishing effort , in turn slowing down the extraction rate of marine resources 透過引進發牌制度,以及規管牌照數目即限制牌照擁有人數目,魚牌制度能減少捕魚船數目,從而減慢海洋資源的開采速度。

Leaching experiments of metakaolin show that the final al extraction rate in a batch reaction is strikingly influnced by the inferior pore struture geometry of the metakaolin pellets 在輕度潤濕狀態下制備的高嶺石團粒,經煅燒后,仍具有發達的粒內大孔結構。

This phenomenon was closely related to the transportation and extraction rate of carbon atoms in the surface of catalysts at different temperatures 這種現象與不同溫度下碳原子在催化劑表面的遷移和析出速率密切相關,也即與不同溫度下催化劑的活性有關。

The experimental results showed that the extraction rate and mass transfer flux increased with the field strength increasing 在自行設計的連續電泳萃取池內實驗研究了電場強度、兩相流速等因素對丁醇萃取率及傳質通量的影響。

Heiye extraction rate is high , less wastage fibre , fibre damage small and easy to operate , and other advantages 具有黑液提取率高、纖維流失少、纖維破壞程度小、操作方便等優點。

Study on correlation between particle size of oxidized copper ore and its metal extraction rate in heap leaching 堆浸工藝中氧化銅礦石粒級與浸出率相關性研究

Researches into the methods of raising the extraction rate of dioscingenin from dioscorea zingibernisis 快速提高盾葉薯蕷皂甙元提取率的研究

Advances in studies of extraction rate and health - careeffect of trace elements in tea 比色管頂空氣相色譜法測定水樣中三氯甲烷

Effects of different solvents on extraction rate of qitaihe coal 不同溶劑對七臺河煤萃取效果的影響

Study on extraction rate of trace elements in tea 茶葉中微量元素浸出率的研究