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   液态发酵 在 农作物 分类中 的翻译结果: 查询用时:0.853秒
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液态发酵
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  liquid fermentation
The production of cellulase-free end oxylanase by the thermophilic fungus Thermomyces lanuginosus was investigated insemisolid fermentation and liquid fermentation.
      
This substrate was adequate for growth and aroma production; the concentration obtained using SSF was higher than using liquid fermentation process.
      
Through the methods of organic solvent extraction, thin layer chromatography (TLC) and column chromatography, compound I was isolated, purified from the liquid fermentation metabolites of the taxoid-produced endophytic fungi (Altemaria.
      
Through thin layer chromatography (TLC), liquid fermentation metabolite of the strains was determined, and four strains (Alternaria altemata (Fr.) Keissler var.taxi Y.
      
The determination result of thin layer chromatography (TLC) showed that the liquid fermentation metabolites of the strains could not react positively with taxoids developer- the vanillic aldehyde and dilute bismuth potassium iodide.
      
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  submerged fermentation
was carried out during solid-state and submerged fermentation using different carbon sources and crude enzymes were characterized.
      
The growth of nonsporulating mycelial fungi INBI 2-26(+), a producer of laccase; INBI 2-26(-), a producer of cellobiose dehydrogenase; and their mixed culture on lignin-carbohydrate substrates under conditions of submerged fermentation was studied.
      
Submerged fermentation experiments were carried out to study the stimulating effects of the surfactant Span 20 on the growth of Aspergillus niger XP mutant and oxalic acid production from the post-refining fatty acids.
      
Hyperproduction of l-glutamate oxidase in submerged fermentation of Streptomyces sp.
      
Although submerged fermentation has been universally used as the technique of fermentation, attempts are being made to develop solidstate fermentation technology also.
      
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Our previous work has indicated that cultivation conditions for extracellular polysaccharide by Clitocybe gigantean are strongly affected by many internal and external factors. In this study,we use an effective two-phase statistical approach to enhance extracellular polysaccharide production. In the first phase,Plackett-Burman design was undertaken to evaluate the effects of the six factors,including initial pH,culture temperature, fermentation time,volume of medium,amount of inoculum and rotate speed. By regression...

Our previous work has indicated that cultivation conditions for extracellular polysaccharide by Clitocybe gigantean are strongly affected by many internal and external factors. In this study,we use an effective two-phase statistical approach to enhance extracellular polysaccharide production. In the first phase,Plackett-Burman design was undertaken to evaluate the effects of the six factors,including initial pH,culture temperature, fermentation time,volume of medium,amount of inoculum and rotate speed. By regression analysis,culture temperature, time and amount of inoculum were found to be important for cultivation conditions for extracellular polysaccharide by Clitocybe gigantean. In the second phase of the optimization process,a response surface methodology(RSM) was used to optimize the above critical factors,and to find out the optimal concentration levels and the relationships between these factors. Based on the results of the first phase,a three-level three-factor(culture temperature, fermentation time and volume of medium) Box-Behnken design was employed. By solving the quadratic regression model equation using appropriate statistic methods,the optimal concentrations for obtain 103.58mg/100ml extracellular polysaccharide production was calculated as: culture temperature 27.05℃, fermentation time 6.92d and volume of medium93.90ml. The experimental data under various conditions have validated the theoretical values.

在雷蘑(Clitocybegigantean)AS5.105液态发酵培养基优化的基础上,采用Plackett-Burman设计(Plackett-BurmanDesign,P-B)对影响雷蘑发酵胞外多糖的内在和外在因素进行了筛选,所选取的6个相关因素为:初始pH,培养温度,发酵时间,装液量,接种量,床转速。在此基础上,再采用响应曲面法(ResponseSurfaceMethodology,RSM)对影响雷蘑发酵胞外多糖的关键影响因素培养温度,发酵时间和装液量的最佳水平范围作了进一步的研究与探讨,通过对二次多项回归方程求解得知,在上述自变量分别为培养温度27.05℃、发酵时间6.92d和装液量93.90ml时,胞外多糖产量的最大预测值为103.58mg/100ml。

The appropriate liquid fermentation medium and submerged fermentation condition for Grifola frondosa,and the regulation of the production of biomass and crude polysaccharides by Grifola frondosa were studied.The results showed: various carbon and nitrogen sources could be used,but the best liquid fermentation medium was made up of glucose,bran,and skin-bean cake.The optimal composition of the medium was obtained and the optimum culture conditions by shaking flask culture were:100 mL medium in 250 mL flask,pH5~6,10%...

The appropriate liquid fermentation medium and submerged fermentation condition for Grifola frondosa,and the regulation of the production of biomass and crude polysaccharides by Grifola frondosa were studied.The results showed: various carbon and nitrogen sources could be used,but the best liquid fermentation medium was made up of glucose,bran,and skin-bean cake.The optimal composition of the medium was obtained and the optimum culture conditions by shaking flask culture were:100 mL medium in 250 mL flask,pH5~6,10% inoculating amount, shaking at temperature of 25℃100 r/min for 8days.

采用摇瓶发酵法对灰树花液态发酵的碳氮营养需求及发酵条件对灰树花茵丝体的生物量与多糖产量规律进行了研究。结果表明,灰树花具有较广泛的碳源谱和氮源谱,最佳发酵培养基是葡萄糖-麸皮-豆饼粉培养基。最适发酵条件为25℃,摇床转速100r/min,接种量10%,装液量为250mL三角瓶装100mL发酵液,pH在5.0~6.0,发酵周期为8d,在上述营养和发酵条件下菌丝体生物量积累最多,同时灰树花多糖可达到较高的产量。

The method of solid fermentation was used,and the germ ball from liquid fermentation was inoculated to the solid optimal medium to continue fermentation in order to find and optimize the solid optimal medium.Then the optimal medium of polysaccharide from Phellinus igniarius produced by the way of solid fermention was selected.At the same time,the effects of polysaccharide from Phellinus igniarius on superoxide dismutase(SOD) and malondialdehyde(MDA) in blood of the CP mouse were observed.The determined optimal...

The method of solid fermentation was used,and the germ ball from liquid fermentation was inoculated to the solid optimal medium to continue fermentation in order to find and optimize the solid optimal medium.Then the optimal medium of polysaccharide from Phellinus igniarius produced by the way of solid fermention was selected.At the same time,the effects of polysaccharide from Phellinus igniarius on superoxide dismutase(SOD) and malondialdehyde(MDA) in blood of the CP mouse were observed.The determined optimal medium is as follows:bran 100 g,glucose 1.5 g,cream of beef 1.5 g,MnSO4 0.05 g,water 100 mL.The results of the antioxidation experiment indicate that polysaccharide from Phellinus igniarius obviously develops the activity of SOD and reduces the content of MDA and it has the effect of antioxidation.

实验采用固态发酵的方法,将经液态发酵产生的桑黄菌球接种到固态培养基中继续发酵,寻找最佳培养基并对其进行优化,确定最佳培养基配方。提取桑黄菌质多糖,灌胃给予环磷酰胺(CP)创伤小鼠,观察其对小鼠血清和肝组织中超氧化物歧化酶(SOD)活性和丙二醛(MDA)质量分数的影响。抗氧化实验表明,桑黄菌质多糖可明显提高小鼠血清和肝组织SOD活性,降低MDA质量分数,具有抗脂质过氧化的作用。

 
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