请英语高手翻译(中译英)以下内容,高赏!!!!!

kuaidi.ping-jia.net  作者:佚名   更新日期:2024-08-02
英文翻译,请高手帮帮忙翻译一下内容,高分悬赏

Abstract:
Vitamin E is a kind of fat-soluble vitamin; it is also called tocopherol or anti-infertility vitamin. Vitamin E has a series of important physiological and biochemical functions such as antioxidant, reproduction, immunity, anti-aging etc. and it is an essential micronutrient element to animals and human. This paper summarizes the research and application of natural vitamin E.

Key words: natural vitamin E; tocopherol; health care; animal feeds

【英语牛人团】

Nantong enterprise oil machinery Co., LTD


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When the goods please return this manual and product certification provided to customers together.



HaiAnXian song in jiangsu province in catitang town industrial park


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cultured strain菌种培养
sulfosalt alkali soil含硫盐碱土壤
oxidated thiosulfate sulfur bacteria氧化硫代硫酸盐的硫细菌
colonial morphology菌落形态
physiological and biochemical characteristics生理生化特征
thiobacillus硫杆菌属
strain菌株
gramnegative bacteria革兰氏阴性菌
short rhabditiform短杆状
gemma芽孢
denitrifying脱氮
T.thioparus排硫硫杆菌
culture medium培养基

Separating cultured strain from sulfosalt alkali soil has screened out oxidated thiosulfate sulfur bacteria, which have been classified as thiobacillus by observing colonial morphology and mensurating physiological and biochemical characteristics. It is shown that the two strains are gramnegative bacteria, which are short rhabditiform, of sterile gemma, and have a layer of viscous capsule.It is preliminarily determined that they are denitrifying thiobacillus and T.thioparus. The research on the experiments on their growth conditions shows that these two kinds of bacteria can grow and breed swiftly. Their best culture medium and culture condition are as follows: with CO2 as a carbon source and the neutral pH as their most appropriate value, considering that they are neutral bacteria, which has a certain degree of alkali resistance, the most suitable salinity of their growth ranges from 0 to 2%, and the best culture temperature is 28 ℃. Under certain load conditions, there is an optimum value of dissolved oxygen. Under the best culture conditions, this kind of strain has a better efficiency in removal elemental sulfur. The experimental results have great significance and practical application values for the methods of the biological treatment of the improvement of saline-alkali soil.

Part for by the fact that the bacterium being in progress to containing sulfur alkalic salt soil cultivates kind, preparation by screening take place has the oxide thiosulfate sulfur bacterium, the characteristic determines by form observation and physiology biochemistry carrying out a bacterial colony on the person , affirm that for sulfur bacillus category. Result is indicated: This liang of bacterial strain dismisses the Mrs. orchid feminine gender bacterium, shortly equally equally rhabditiform, do not produce a gemma, have a layer of sticky capsule. For sure, the first step takes off the nitrogen sulfur bacillus and arranges the sulfur sulfur bacillus for the sulfur bacillus is. The bacterium growth the experiment to whose growth condition is studied indicating this two breeds without exception prompt, whose the best culture medium and the condition cultivating are: Take CO2 as carbon source, the most proper pH is a neuter , belongs to the neuter bacterium, have certain being able to bear basicity; The most proper growth salt degree range is 0 ~ 2%; The temperature the best is trained is 28 ~C; Under certain load condition, dissolve the value there existing a best in oxygen. Under the best culture condition, be a bacterium's turn to have fairly good takeoff effect kind to simple substance sulfur. The experiment bear fruit living things to the soil ameliorating alkalic salt handles method having important significance and reality applying value.

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Through separating the cultivation of bacterium in including sulphur saline and alkaline soil, select and oxidize the sulphur bacterium that sulphur took the place of sulphate, through observing and determining with the biochemical characteristic of physiology colony shape to it, confirming the bacillus as sulphur belongs to. The result shows: Two bacterial strain these leather getting blue negative fungus, short pole form, produce gemma, have one adhesive pod membrane. Confirm sulphur denitrification sulphur bacillus that bacillus belong to as and arrange sulphur sulphur bacillus tentatively. Indicate these two funguses grow and breed fast on its growing condition's experiment, its best culture medium and condition of training are: Regard Carbon dioxide as the carbon source, the most suitable pH is neutral, belongs to the neutral fungus, there is certain one and is able to bear alkalinely; It is 0-2% that one degree of ranges of most suitable salt grows; Train temperature to be 28 ℃ bestly; Under loading the condition, have a optimum value to dissolve oxygen. Under training the condition bestly, this bacterium has better removal results to sulphur of simple substance. The experimental result has important meaning and actual using value to the biological disposal method to improve saline and alkaline soil.

Salinization of soil sulfur bacteria isolated, were selected on behalf of sulfate with sulfur sulfur bacteria, through their observation of colony morphology and physiological and biochemical characteristics of the determination is recognized as Thiobacillus. The results showed that: the two strains are gram-negative bacteria, short rod-shaped, did not produce spores, a layer of sticky capsule. Preliminary identified as the genus Thiobacillus thiooxidans denitrification and Thiobacillus thiooxidans. Their growth conditions show that the experimental study of two rapid bacteria growth and reproduction are, the best culture medium and conditions are as follows: to CO2 as carbon source, the most appropriate for a neutral pH is a neutral bacteria resistant to a certain extent alkaline; the growth of the most suitable salinity range of 0 ~ 2%; the best culture temperature to 28 ℃; a certain load conditions, there is an optimum value of dissolved oxygen. The best culture conditions, the strain of the element sulfur removal efficiency better. The experimental results for the improvement of saline-alkali soil biological treatment of great significance and practical application value.

Based on soil salt sulfur bacteria cultivation were separated, there is the sulfur bacteria, sulfate and through carries on the observation and physiological and biochemical colony morphology characteristic, identified as sulfur bacteria. Results show that two strains of gram-negative bacteria are short, no production system, a layer of spores, the capsule. Preliminary determination of sulfur bacteria for the nitrogen and sulfur bacteria sulfur sulfur bacteria. On the condition of experiment research shows that these two strains of bacteria to grow rapidly, its are best medium and cultivating conditions for: with the CO2, optimum for carbon source for the neutral pH, neutral, have certain alkali, The most suitable growth salinity range of 0 ~ 2%, The best training for 28 degrees Celsius temperature, In certain load conditions, the dissolved there exists an optimal value. In the best condition for elemental sulfur bacteria, the good effect. Experimental results for improvement of the biological treatment of soil salt has important significance and application value.

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