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The invention use an alcaligenes faecalis as a fermentation strain, using sucrose or glucose commonly used in food industry as carbon source for microbe cultivation, using conventional chemical fertilizer in the agricultural production as nitrogen source and inorganic salt, the medium of microbial growth is prepared by auxiliary yeast powder, aerobic fermentation is processed in the conditions of 30 DEG C, 1.0vvm, 500r/min ventilatiing and stirring, adding specially supplementary food fluid in the fermentation course achieves the following aims:(1) controlling the penetrating pressure of the broth in the hypotonicity condition;(2) controlling the pH of the broth between 4.0 and 7.0;(3) providing abundant nutritious matter such as carbon source and nitrogen source for microbial growth, obtaining Weilan gum broth after 72 hours, obtainin Weilan gum product by drying in 95-115 DEG C and atmospheric pressure.
本发明以一株粪产碱杆菌为发酵菌种,使用食品工业中常用的蔗糖或葡萄糖作为微生物培养的碳源,以农业生产中常用的化肥作为氮源和无机盐,辅以酵母粉配制微生物生长的培养基,在30℃以1.0vvm、500r/min通风搅拌条件下好氧发酵,发酵过程中流加特殊配制的补料液以达到以下目的:(1)控制发酵液的渗透压处于低渗条件;(2)控制发酵液的pH处于4.0~7.0之间;(3)为微生物生长提供丰富的碳源和氮源等营养物质,经72小时得到威兰胶发酵液,在95℃~115℃下常压干燥得到威兰胶产品。
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The important task of the exquisite physical chemistry course construction is to make good of the hardware of modern education technology,to develop the potential of the existing and high-quality teaching resources,to increase the network information,to abide by the principles of intellectualized navigation,scientificity,complementarity,interaction,flexibility,feasibility,scalability,artistic quality,instructiveness,stability and step by step,etc,integrate and make the network teaching materials normative overall and beneficial to the students.
精品课程建设要求逐步建立能使广大学生受益的网络教学资源,只有这样才能挖掘出现有教学资源的潜力和最大化地利用现有优质教学资源。为此,我们充分利用现代教育技术的良好硬件环境,在原有工作的基础上,增加更多的网络信息,全面整合和规范物理化学课程的网络教学资源,并以此作为精简授课学时、激发学生学习兴趣和学习动机、提高教学效果的一个重要途径。1网络教学在物理化学教学中的作用网络的时空无限性不仅构筑了新的人类生存空间,也构筑了新的教育空间。
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On the other hand, this certainly does not apply to the young men whose course has been swayed by family pressure or the tyrannies of their social environment, and who thus find themselves bound to a line of work by force.
但从另外一方面来讲,这种不适合的状况,并不能应用到年轻人,这些年轻人因为家庭的压力,或者是因为社会环境的残暴压力,不能够自己控制生命的方向,因此所从事的工作是被外在环境,所强加上去的。
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By what dim shore of the ink-black river, by what far edge of the frowning forest, through what mazy depth of gloom art thou threading thy course to come to me, my friend?
是从墨墨的河岸上,是从远远的愁惨的树林边,是穿过错昏暗迂回的曲径,你摸索着来到我这里吗,我的朋友?
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By what dim shore of the inkblack river, by what far edge of the frowning forest, through what mazy depth of gloom art thou threading thy course to come to me, my friend?
是从墨黑的河岸上,是从远远的愁惨的树林边,是穿过昏暗迂回的曲径,你摸索着来到我这里吗,我的朋友?
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By Noam Chomsky | The deal just taking shape between Iraq's Oil Ministry and four Western oil companies raises critical questions about the nature of the US invasion and occupation of Iraq — questions that should certainly be addressed by presidential candidates and seriously discussed in the United States, and of course in occupied Iraq, where it appears that the population has little if any role in determining the future of their country.
由诺姆乔姆斯基|处理刚才正在形成之间的伊拉克的石油部和4名西方油公司提出的关键问题的性质,美国入侵和占领伊拉克-的问题,当然应该处理的总统候选人,并认真讨论了在美国的国,当然在被占领的伊拉克,似乎是人口少,如果任何角色,在决定自己国家的未来。
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Of course, we do not here pretend to furnish a history of the battle of Waterloo; one of the scenes of the foundation of the story which we are relating is connected with this battle, but this history is not our subject; this history, moreover, has been finished, and finished in a masterly manner, from one point of view by Napoleon, and from another point of view by a whole pleiad of historians.
在此地我们当然没有写滑铁卢史的奢望,我们现在要谈的故事的伏线和那次战争有关,但是那段历史并不是我们的主题,况且那段历史是已经编好了的,洋洋洒洒地编好了的,一方面,有拿破仑的自述,另一方面,有史界七贤①的著作。
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The purpose of the study topic is, by analyzing background and current situation of the Lionful Education Group, to get a complete and clear acknowledge of its own competence and development surrounding, adjust its strategic orientation and predictably prefigure the future strategic development course;by researching and taking the right measures, to overcome any difficulties and problems, create competence superiority, enhance the core competitive power and build up the solid foundation for realizing its long range plan.
波特关于竞争的五种力量模型分析了民办高等教育产业结构,明确了现阶段及未来一段时间内各种外部因素对集团发展的影响度,为集团发展战略的侧重点提供了充分、科学的依据;运用资源基础模型和价值链分析法对集团内部因素和活动进行了分析,明确内部优势环节,归纳出集团的核心竞争力,在此基础上预见性地描述了集团的战略发展轨迹,并对战略的有效实施进行了探讨。
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These, of course, were not new theories originating at this time, but an awakening of Jewish Gnosticism, that had been suppressed for centuries by the increasing preponderance of Rabbinism, and now reappeared not by chance, at a time when Sadduceeism, the old enemy of Rabbinism, also reappeared, under the name of Karaism.
当然,这些并非新的理论源於在这个时候,而是一个觉醒的犹太诺斯替主义,已经压制了几百年越来越多的Rabbinism优势,现在又出现不是偶然的,当时Sadduceeism ,旧的敌人Rabbinism ,也重新出现,根据名称
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All the Revels standards are here including Susan Cooper's poem "The Shortest Day"(read by public radio star Robert J. Lurtsema), and of course,"Lord of the Dance," marvelously sung by Revels founder John Langstaff.
所有的夜宴标准在这里,包括苏珊库珀的诗"最短的一天"(由公共广播电台明星罗伯特Lurtsema阅读),当然,"舞王",不平凡的夜宴创始人约翰兰斯塔夫唱。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力