查询词典 be a strain
- 与 be a strain 相关的网络例句 [注:此内容来源于网络,仅供参考]
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A strain may be defined as an organic compound containing a benzene ring plus a chromophore and auxochrome group.
染料定义为含有苯环与呈色官能基与辅助成色官能基的化合物。
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The prior cycles with higher axial stress and larger strain range greatly restrains ratchetting strain of subsequent cycling with lower ones. Creep behavior plays an important role in the ratchetting strain and its influence on ratchetting behavior can not be neglected. Fracture morphology characteristics of two kinds of materials were investigated by scanning electron microscope. It shows that failure of material A is induced by cavitation and that of material B is induced by decohesion. For material A, with the decreasing strain amplitude the fracture surface shows more larger diameter globular particles under uniaxial loading and can be seen more obvious and deep crack under multiaxial loading. However for material B, with the decreasing strain amplitude fracture surface shows larger and larger scalelike shape and becomes more smooth under uniaxial loading, but fracture surface under multiaxial loading looks like more smooth than that of uniaxial loading, and shows gradually wave-like morphology.
通过扫描电子显微镜研究表明:材料A为空穴引起的失效,材料B为剥离导致疲劳破坏;随着载荷幅值的减小,材料A在单轴载荷下,断口表面浮出更多更大直径的球状颗粒,而多轴载荷下,可以看到很深的裂纹;随着载荷幅值的减小,材料B在单轴载荷下,断口表面鱼鳞片越来越大,表面越来越平整,而多轴载荷与单轴载荷相比,断口表面看上去更加平整,并且随着载荷幅值的减小,断口逐渐呈现波浪形貌;通过微观的傅立叶变换红外光谱分析,结果表明随着应变幅值的增加,无论载荷是单轴还是多轴状态下,橡胶材料吸光度比值随着幅值的增加而增加,这说明体系中的结晶含量也随之增加。
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The material parameters in the hyperbolic sine constitutive equation were determined with regression analysis, and the DRX activation energy was thus obtained to be 269 kJ/mol. The relationship between critical strain, peak strain/stress and the dimensionless parameter Z/A were established by linear regression.
采用回归法确定了双曲线本构方程中的材料常数和动态再结晶激活能(269kJ/mol),并建立了临界应变、峰值应变和峰值应力与无量纲参数Z/A之间的关系。
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Journal of Antimicrobial Chemotherapy Advance Access publication 6 December 2005 OXE β-lactamases in Acinetobacter:the story so far Molecular Chemotherapy,Centre for Infectious Diseases,University of Edinburgh,The Chancellor's Buliding,49 Little France Crecent,Edinburgh,EH16 4SB,UK The emergence of carbaoenem resistance in Acinetobacter baumannii has become a global concern since these β-lactams are often the only effectine treatment lsft against many multiresistant strains.A recent debelopmenth has the discovery of a novel group of narrow-spectrum OXA β-lactamases in carbapenem-resistant strains,some of whitch have acquired the ability to hydrolyse the carbapenems.The first of these was found in a strain isolated in Edinburgh before imipenem was in usr in the hospital.Whether these carbapenemases have been acquired or are part of the genetic make-up of this species has yet to be determined.More importantly,however,they represent an important stage in the evolution of antibiotic resistance in Acinetobacter.This paper discusses the emergence of these unusual enzymes over the past decade.
抗菌化学疗法》杂志上 2005年12月6日提前存取出版在不OXEβ-lactamases:到目前为止分子化疗,中心为传染性疾病,爱丁堡大学,议长,49岁的法国Crecent少、爱丁堡、EH16 4SB,英国 carbaoenem电阻的出现在鲍曼不动杆菌已成为全球关注这些β-lactams通常是唯一effectine对抗许多multiresistant菌株治疗lsft…最近的一debelopmenth已发现的一种β-lactamases仅OXA集团在carbapenem-resistant株,其中一些已经取得了hydrolyse能力的carbapenems第一个被发现在一株孤立在爱丁堡的药物有亚胺培南在使用之前在医院这些carbapenemases是否已经或正在部分的基因构成该物种还有待确定然而更重要的是,他们代表着一种重要阶段的抗生素耐药性的演化出不本文探讨了产生这些不寻常的酶在过去的十年。
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It also can be used as alternative antigen of newgeneration vaccine.In this experiment,we screen the major protective antigen hsp65 gene of MAP in order to developnew vaccine especially the DNA vaccine for the prevention of paratuberculosis disease.The hsp65 genewas amplified from MAP C-2 chromosomal DNA by using the PCR technique.We gained a hsp65 gene of 1 626bp.Then PCR product was cloned into pGEM-T vector by T-A clone technique and therecombinant clone was identified by plasmid size,enzyme digestion and PCR identification.The cloneplasmid of pGEM-T- hsp65 was successfully constructed.The nucleotide sequence and deduced aminoacid sequence ofclone gene was analyzed by DNASTAR software.The result indicated that the size ofhsp65 gene consist with M.paratuberculosis K-10 strain in GenBank and the sequential homogeneityreached 99.1%,the amino acid homogeneity reached 99.3%.The preceding analysis indicated that thehsp65 gene was very conservative in M.paratuberculosis.
为了研发预防副结核病的新型疫苗尤其是DNA疫苗及相关蛋白功能,本研究选择了MAP的主要保护性抗原Hsp65蛋白,以副结核分枝杆菌C-2株染色体DNA为模板,以hsp65基因的特异性引物进行PCR扩增,获得了1 626bp的hsp65基因,通过T-A克隆技术,将PCR产物克隆至pGEM-T Vector中,以质粒大小、酶切分析、PCR扩增及序列分析鉴定重组克隆,成功地构建出克隆质粒pGEM-T-hsp65,以DNASTAR软件分析了所克隆基因的核苷酸序列和推导的氨基酸序列,结果表明,所获得的hsp65基因与GenBank中MAPK-10株该基因核苷酸大小完全一致,两者核苷酸序列的同源性为99.1%,氨基酸序列的同源性为99.3%,表明该基因在副结核分枝杆菌中高度保守。
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Six experimental stages were designed in our procedure, those are:(1) metabolite recovery and tested sample preparation: the metabolites were recovered by Amberlite XAD-2 absorption, followed by MeOH elution and solvent concentration;(2) antioxidant detection and strain selection: samples were quantitatively analyzed by the inhibition effects on formation of lipid peroxides and TBARS to screen the strains able to produce antioxidants. According to the established screening methods, we chose out a strain of actinomycetes, designed as AMBL-029C;(3) antioxidant purification: the fermentation broth was recovered by a series of separation techniques including centrifugation, Amberlite XAD-2 absorption, followed by MeOH elution and a successive TLC purification. The resulting primary purified compound [temperately designed as AMBL-029C-TS] was further analyzed by HPLC to monitor its purity;(4) physical-chemical characteristics: judging from the acid-base fractionation experiments, and the pH and temperature stability tests, the compound was deduced to be a acidic compound with the properties of low polarity and highly pH and temperature stable;(5) mechanism of the antioxidant: in comparison with some other known antioxidants, TS was subjected to investigate its antioxidant mechanism, together with BHT,-tocopherol, as well as two streptomyces metabolites, homogentisic acid and -phenylpyruvic acid, which were previously isolated as the natural antioxidants in our laboratory.
针对本实验目的,我们设计了以下的实验步骤﹔(1)二次代谢物回收及检测样本处理:我们将发酵所得的培养上清液,利用疏水吸附性树酯Amberlite XAD-2吸附回收,并以甲醇溶离及真空减压浓缩脱水等方式处理,以取得提供抗氧化活性筛选之检测样本;(2)抗氧化活性检测及菌种筛选:以「过氧化脂质」和「硫丙二醯尿」的生成量进行定性定量分析以作为抗氧化物质生产菌筛选之用;经此筛选程序,我们选获了具有抗氧化物质高生产力的菌株,命名为AMBL-029C;(3)抗氧化物质的分离纯化:针对生产菌株的发酵回收处理液,以矽胶薄层色层分离法经物质层析纯化后,并以高效能液相层析法(High performance liquid chromatography;HPLC)分析物质可得一初级纯化物质,命名为AMBL-029C-TS;(4)抗氧化物质的物理化学性质分析:由酸碱转溶(acid-base fractionation)实验得知,此抗氧化物质属於中低极性的强酸性物质,对温度(37℃-100℃)及酸碱度(pH3.0-13.0)均表现出高稳定性;(5)在抗氧化机制探讨方面,我们针对数种不同的抗氧化机制进行探讨,即: 1。
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Additionally, one SsDRV-free strain Ep-1PNA183av that showed hypovirulence was isolated from a mutant of healthy strain Ep-1PNA183, this strain also immunizes the infection of SsDRV, it would be a valuable material to study on the interaction between SsDRV and its host. Surprisingly, we discovered that SsDRV could be transmitted into S. nivalis (in the same genus to S. sclerotiorum) when cultured side by side on PDA plate, this discovery may supply new evidence for the exchange of genetical elements among different species in fungi; the transmission of mycovirus to other species showed that the limitation of vegetative imcompatiblity among different strains might not be key factor to determine the efficiency of biological control with hypovirulence associated mycovirus.
发现了1株不携带SsDRV的核盘菌弱毒力菌株,该菌株对SsDRV具有显著抗性,是研究SsDRV与寄主互作的宝贵材料;还发现SsDRV可以在核盘菌种间传递,深入研究将为生物在种间的遗传物质交换提供了新的证据,也将为广泛利用弱毒相关病毒控制植物病害提供理论依据。
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It is recommended that alignment of the tensile-testing machine and the test specimen be checked at the center of the gauge length using a strain-gauged coupon of the same material as is to be tested.
建议使用一个与实测材料相同的应变得以检测的替代试件,在量规长度的中央对拉力试验机器的校准以及试件进行检验。
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This Program Project is composed of five projects and an administrative core unit. The specific aims of Project 1 are to study the roles of SPE B, SPE A, M protein and NADase to correlate with bacterial virulence and disease severity in different clinical spectra of GAS infections. We will also study the pathogenic factors of a unique virulent clone of Ml strain caused dominant invasiue GAS disease in Taiwan in the past two years. The effects of penicillin and clindamycin on the production of SPE A and SPE B will also be determined.
本群体计画包含有5个子计画及一个行政核心计画,第一子计画的目标在於研究热原性外毒素A,B和M蛋白及NADase在A群链球菌感染中的功能及其与细菌致病力、疾病严重性的相关性,同时将针对一株最近在台湾造成侵犯性较强的A群链球菌菌株研究其致病因子的异同,并将探讨抗生素penicillin及clindamycin对於热原性外毒素A及B产生的影响。
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Other cultures have other canons of classics, however, and a recurring strain of neoclassicism appears to be a natural expression of a culture at a certain moment in its career, a culture that is highly self-aware, that is also confident of its own high mainstream tradition, but at the same time feels the need to regain something that has slipped away: Apollonius of Rhodes is a neoclassic writer; Ming ceramics pay homage to Sung celadon porcelains; Italian 15th century humanists learn to write a "Roman" hand we call italic; Neo-Babylonian culture is a neoclassical revival, and in Persia the "classic" religion of Zoroaster, Zoroastrianism, is revived after centuries, to "re-Persianize" a culture that had fallen away from its own classic Achaemenean past.
其他文化有其他经典的经典,然而,周期性应变的新古典主义似乎是一种自然表达的文化在某一时刻在其职业生涯中,文化是非常自我意识,这也是它自己的信心高主流传统,但同时认为有必要恢复这一组织已溜走了:阿波罗纽斯的罗德是一个新古典主义的作家;明陶瓷顶礼膜拜宋青瓷瓷器;意大利15世纪人文主义学习写&罗马&一方面,我们呼吁斜体;新巴比伦文化是一个新古典主义复苏,并在波斯的&经典&的宗教Zoroaster ,拜火教,是恢复后,百年来,&重新Persianize &的文化,已经下降远离自己的经典Achaemenean过去。
- 推荐网络例句
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However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.
然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。
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Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.
镀锌钢托盘多用于出口,替代木托盘,免薰蒸,符合欧盟、北美各国对出口货物包装材料的法令要求;喷涂钢托盘适用于重载上货架之用,托盘表面根据需要制作成平板状、波纹状及间隔形式,满足不同的使用要求。
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A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.
付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。