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Culturable microorganisms provide very limited information on soil microbial diversity,because only 0.1%-10% of soil microorganisms can be cultured under conventional laboratory conditions.

传统的基于培养的研究方法只能反映土壤中少数(0.1%~10%)微生物的信息,而大部分微生物目前还不能培养,因而这部分微生物资源尚难以被有效地开发利用。

In order to know the compositions of microbial community in the air-dried duck products, and then lay foundations for making clear the close connections between microbial categories, amount and their functional mechanism, traditional microbial classification and identification methods were carried out to analyze the culturable microorganism in the air-dried duck samples.

为探讨四川风鸭产品中微生物区系的构成,采用传统微生物分类鉴定法,对风鸭中的可培养微生物进行了分类统计,并对其中18株球菌菌株初步分类鉴定到属。

The purpose was to study the change of edaphon carbon source and nitrogen source as well as microorganism quantity and microbial community structure after planting the konjac.

[目的]研究种植魔芋后土壤微生物碳源和氮源以及微生物量和微生物群落结构的变化。

The American Ginseng ,as the study objects, which grew in different years in Jiling and Beijing, were studied on Dynamics of Soil Microorganisms by separating, culturing, counting and identifying the edaphon among soil of American Ginsengs.

以吉林、北京两个产地不同年限西洋参根际土壤微生物为研究对象,对其土壤微生物进行分离、培养、计数和鉴定来研究土壤微生物区系的动态变化。

Conclusion1 Critically ill patients with indwelling catheters were of the high positive rate of microorganisms,and microorganism spectrum was of special properties;BF formed mainly inside the catheter,the occurrence rate of BF inside the catheter was high and the formation time was short;Changes on catheters and the result of microorganisms was positively correlated with the BF formation.2 Indwelling catheter time was the independent risk factors for the BF formatiom, while age、APACHEⅡscore、sex、urine sugar and the types of antibiotic usage were the potential risk factors for the BF formation;Nurses should perfect the catheter measures for critical ill patients,emphasis on the assessment of risk factors of BF formation,and implement special care in high-risk patients.3 In the early stage of BF formation,irrigation could play the role of eradicative BF effectively;While later,it couldn't,but it can delay the speed of BF formation and maturation;In the choice of washing methods,injection type washing method is superior to infusion.

结论1重危患者留置尿管微生物培养阳性率高,且微生物菌谱具有特殊性;重危患者尿管表面BF主要在尿管内壁形成;内壁BF的发生率高,形成时间短;肉眼观察尿管表面改变情况以及微生物鉴定结果与BF形成呈正相关。2尿管留置时间是重危患者留置尿管表面BF形成的独立危险因素;年龄、APAcHEⅡ评分、性别、尿糖定性以及抗生素使用种类是其可能的危险因素;护理过程中应完善重危患者尿管护理措施,注重对BF危险因素的评估,并对高危患者实施重点护理。3 BF形成早期,冲洗能发挥较好的清除作用;BF形成后期,冲洗无法彻底清除尿管表面BF,但冲洗能延缓BF形成与成熟的速度;在冲洗方式的选择上,注洗式冲洗法对尿管BF的清除效果优于输注式冲洗法。

Fermentative microorganisms and mixed functional microorganisms are two important microorganisms,which can be used in the production of bioorganic fertilizer extensively.

发酵微生物菌群和复合功能微生物菌群是两个重要的微生物功能菌群,在制备生物有机肥中有着广泛的用途。

The results showed that at the anaerobic phase, the PHB concentration in the cell and orthophosphate concentration of the anaerobic effluent obviously increased, the poly-P concentration in the cell decreased, and the cucci and bacilli with a size of 1.0~1.5 μm were dominant and formed grapy cellular cluster. At the anoxic phase, the PHB concentration and orthophosphate concentration decreased significantly, the amount of poly-P increased, and the elliptical cucci of 0.5~1 μm and spheral bacilli of 1.0~1.5 μm were dominant. At the aerobic phase, the PHB and orthophosphate concentration almost reduced to zero, the poly-P increased significantly, cucci appeared single or in pair, and the contour of sphere was blur and almost disappeared.

试验结果表明,在厌氧阶段,微生物细胞内PHB的量大幅提高,上清液中磷酸盐的含量上升,聚磷酸盐含量明显下降,粒径为1~1.5 μm、呈球状和棒状的菌群构成的葡萄状细胞簇占居优势;在缺氧阶段,微生物细胞内PHB的量下降,上清液中磷酸盐含量下降,聚磷酸盐含量上升,粒径为0.5~1 μm的椭球菌与1.0~1.5 μm的球杆菌占优势;在好氧阶段,微生物细胞内PHB的量较低或接近零,上清液中磷酸盐的含量接近零,聚磷酸盐含量明显上升,此时粒径1.0~1.5 μm的球菌以单个或成对出现,球菌不再饱满,呈现接近消失的状态。

Molecular ecology, as the intersectant subject of molecular biology and microbial ecology, is being prevalent in microbial diversity of lake.

微生物分子生态学作为分子生物学与微生物生态学交叉产生的学科,在研究湖泊微生物多样性方面已经得到了广泛的应用。

This paper describes the distribution of potentials and current densities and the chemical changes in the presence of cathodic protection,the mechanism of cathodic protection against crevice corrosion,the mechanism of microbiologically influenced corrosion of pipeline steel beneath disbonded coatings.

综述了在有阴极保护的条件时剥离涂层下缝隙内电位电流的分布和化学环境的变化、阴极保护防止缝隙腐蚀的机理、微生物腐蚀的机理以及前人提出的关于剥离涂层下微生物腐蚀与阴极保护相互作用的规律,并展望了对于解决剥离涂层下微生物腐蚀难题需进一步的实验研究

The soluble microbial products formation process by microorganisms from activated sludge of membrane bioreactor and biodegradation process by other microorganisms, pseudomonas putida, under oligotrophic environment were discussed, respectively.

以碳源作为限制营养,研究了贫营养条件下膜生物反应器中活性污泥微生物产出溶解性微生物产物和非来源微生物恶臭假单胞菌降解活性污泥SMP的过程。

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I'm strongly against the death penalty — it's an eye for an eye.

我不赞成死刑——这是以牙还牙的报复行为。

And to get you the support you need, we're enlisting all elements of our national power: our diplomacy and development, our economic might and our moral suasion, so that you and the rest of our military do not bear the burden of our security alone.

并给你们所须的支援,我们正徵召国家所有各种的力量:我们的外交及发展,我们的经济力量与道德劝说,所以你们与其他军人不须要孤独地负起国家安全的责任。

Imagine yourself to be an actor in a play on the stage.

设想你自己是一个演员在舞台上表演。