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The result indicated that the degree of influence to the reliability of existing structure in the order high to low are resistant force decreasing, resistant force posterior distribution and live load.

计算结果表明,影响既有结构可靠度的三个主要因素中,其显著性程度按照由高到低的次序是:抗力衰减、抗力后验分布、活荷载取值。

The results showed that the resistance of soybean to bean pyralid was significantly different among varieties. The resistant level with roll number as evaluating indicator was significantly related to the resistant level with larva number as evaluating indicator.

结果表明,大豆品种之间的抗虫性有显著的差异,以卷包密度为评价指标的抗虫性和以虫口密度为评价指标的抗虫性相关显著。

On the basis of determining their resistant spectrum, CY21, CY23, CY27, CY29, CY30, CY31, CY32, Su-11, Su-14 were used to investigate the resistant components at seeding stage, such as latent period, infection efficiency, uredinium length, sporulation capacity, period of spore production and severity. Also, two equal weight races' mixture CY27:CY30, CY27:CY31, CY27:CY32, CY31:Su-4, CY30:Su-11 were continued to reproduce six generations of Libellula and Xiannong 4 respectively, and the ration changes of each race were tested.

在抗性谱测定的基础上,采用CY21、CY23、CY27、CY29、CY30、CY31、CY32、Su-11、Su-14等9个条锈菌菌系,分别测定其苗期潜育期、侵染频率、夏孢子堆长度、产孢强度、产孢期以及严重度,同时将CY27:CY30、CY27:CY31、CY27:CY32、CY31:Su-4、CY30:Su-11等5个等量混合菌系组合分别在里勃留拉和咸农4号上继代培养6代,测定各小种在组合中的比例变化。

The asphalt concrete track resistant modifying agent is characterized in that the asphalt concrete track resistant modifying agent consists of raw materials with the weight portion ration of 65 to 80 portions of low density polyethylene, 10 to 30 portions of anchoring agent, and 0 to 5 portions of activated rubber powder. The anchoring agent is petroleum resin or abietic resin.

沥青混凝土抗车辙改性剂,其特征在于它由以下原料组成,各原料质量份配比为:再生低密度聚乙烯65~80份,增粘剂10~30份,活化橡胶粉0~5份;所述的增粘剂为石油树脂或松香树脂。

Objective To understand distribution and resistant of gram positive cocci in hospital infection,and to direct clinical doctor use antibiotics with reason,and to prevent resistant strains outbreak and prevalence.

摘 要]目的:了解医院内感染的革兰阳性球菌的分布及耐药情况,指导临床医生合理应用抗生素,防止耐药菌株的爆发流行。

In order to understand the drug resistance mechanism of HIV-1 integrase mutually existed for multiple drug-resistant strains to the most potent IN inhibitors diketo acids, three S-1360-resistant HIV-1 strains were selected and molecular docking and molecular dynamics simulations were performed to obtain the inhibitor binding modes.

为了解DKAs引起的多种耐药株共有的耐药性机理,选择3种S-1360引起的IN耐药突变体,用分子对接和分子动力学模拟,研究了野生型和突变型IN与S-1360的结合模式,基于该结合模式探讨了3种耐药突变体所共有的耐药性机理。

According to the ability of the field isolates of Gibberella zeae to grow on the PSA with varying carbendazim concentrations, three sensitivity levels of isolates were determined in vitro. The sensitive isolates could grow at 0.5 μg/ml, but could not grow at 100 μg/ml. The high resistant isloates could grow faster than R at 50 μg/ml, and also could grow at 100 μg/ml.No low resistant isolates, that could grow fast at 1.4 μg/ml but could not grow at 50 μg/ml, were found among the field isolates.

根据在0.5、1.4、50、100 μg/ml等不同浓度的含药PSA平板上能否生长,将玉蜀黍赤霉田间菌株对多菌灵的敏感性划分为:敏感、中抗和高抗等3个水平,其中S菌株在0.5 μg/ml浓度下能生长,但在≥1.4 μg/ml浓度下生长受到完全抑制;R菌株在1.4 μg/ml浓度下能快速生长,在50 μg/ml浓度下能缓慢生长,但在≥100 μg/ml浓度下不能生长;HR在≥100 μg/ml浓度下仍能生长。

The physiological and biochemical resistant mechanism of tea cultivars to tea brown blight caused by Guignardia camelliae. Making use of the mensuration of spectrophotometric analysis to study the enzyme activity of Peroxidas, Polyphenol Oxidas, Catalas, Phenylalamine Ammenia-lyase. The result showed that there was definite difference to the metabolic rule of defence enzymes activity in the annual leaf tissue of the resistant and susceptible cultivars after infecting.

茶树抗云纹叶枯病的生理生化机理研究利用分光光度计对茶树叶片中过氧化物酶、多酚氧化酶、过氧化氢酶,苯丙氨酸解氨酶的活性进行了测定分析,结果表明:感染茶云纹叶枯病菌前后,抗病品种和感病品种当年生成叶中防御酶活性变化规律存在一定的差异。

New antifungal agents have been developed over the past years based on the discovery of many new target sites of Candida albicands. For example, Echinocandins, aiming at the cell wall of Candida albicands, showed strong antifungal activities to fluconazole resistant candidas and fungal biofilm. Moreover, because β-glucan synthase does not exist on the cell membrane of mammalian cells, Echinocandins has a low toxicity and a promising clinical future. Though the mechanism of Histatin is not clear, it has strong activity not only on candida resistant of polyene and azole, but also to Candida parapsilosis, Candida krusei and Cry ptococcus neoformans. Berberine and Ocimum gratissimum L. were also found to have prominent anti-fungi activities.

近年来相继提出了许多抗白念珠菌药物作用的新靶点并成功开发出一些活性强大,疗效确切的抗真菌药,如以真菌细胞壁为靶点开发出棘白菌素类药物卡泊芬净、米卡芬净等,该类药物主要抑制β-葡聚糖合成酶,体外对氟康唑耐药的念珠菌属及真菌生物被膜表现出强大的抗菌活性,又由于β-葡聚糖合成酶在哺乳类动物细胞内不存在,故具有高效低毒的临床效果,是一极具前途的新型抗真菌药;以真菌细胞膜为靶点开发出Histatin类药物,虽然作用机制目前还不完全明了,但其作用不同于临床常用的多烯类和氮唑类,并已经发现Histatin5对两性霉素B和氮唑类耐药的念珠菌有效,并且对非白念珠菌如光滑念珠菌、克柔氏念株菌、隐球菌等也有杀灭作用;通过对植物药物的研究发现黄连素和丁香罗勒Ocimum gratissimum L。

Where through hardness and the maxium strength associateed with it are not necessary,it may be more economical to gain the needed surface qualities by a casehardening process.Casehardening involves a change of surface properties to produce ahard,wear-resistant shell about atough,fracture-resistant core.

凡通过硬度和最大强度的地方与产品的关联不是很有必要的话,为了获得所需要的表面品质,由硬度加强进程可能会更符合经济效益,硬度加强涉及改变表面性质,涉及产生耐磨材料壳,裂痕抗核心。

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