查询词典 pathogenic

Avian influenza virus was isolated from the caecal tonsil, faeces, and kidney of the domestic ducks. The isolated virus was identified as a highly pathogenic H5N1, with a haemagglutinin proteolytic cleavage site deduced amino acid sequence of ... QREKRKKR/GLFGAIAG ... In order to determine the pathogenicity of the isolate, eight 6-week-old specific pathogen free chickens were inoculated intravenously with the virus, and all birds died within 24 h after inoculation.

病毒抗原可以从鸭的盲肠，扁桃体，肾脏及粪便分离出来，并且确定这种病毒是高致病性的H5N1，还从血凝素蛋白分解位点推断出病毒的氨基酸序列，为了了解独立群的发病机理，对8只6周龄鸡静脉注射这种病毒，结果所有的均在注射后24小时死亡。

Aian influenza irus was isolated from the caecal tonsil, faeces, and kidney of the domestic ducks. The isolated irus was identified as a highly pathogenic H5N1, with a haemagglutinin proteolytic cleaage site deduced amino acid sequence of ... QREKRKKR/GLFGAIAG ... In order to determine the pathogenicity of the isolate, eight 6-week-old specific pathogen free chickens were inoculated intraenously with the irus, and all birds died within 24 h after inoculation.

病毒抗原可以从鸭的盲肠，扁桃体，肾脏及粪便分离出来，并且确定这种病毒是高致病性的H5N1，还从血凝素蛋白分解位点推断出病毒的氨基酸序列，为了了解独立群的发病机理，对8只6周龄鸡静脉注射这种病毒，结果所有的均在注射后24小时死亡。

Objective To report 16 cases of intracranial aneurysms with calcified vascular wall and study the relationship between vascular calcification and pathogenic mechanism of intracranial aneurysms.

目的报告16例瘤壁有钙化的颅内动脉瘤病例的治疗，分析颅内血管钙化与颅内动脉瘤病理发生机制的关系。

Hyaluronate lyase, which catalyses the degradation of hyaluronic acid, has been described from several pathogenic streptococcal species.

催化透明质酸降解的透明质酸裂解酶透明质酸催化裂解酶在几种病原链球菌中已被描述。

Objective To explore the method by centrifugalization to enrich bacteria from cerebrospinal fluid of patients, improving rate of positive cultivation by condensing pathogenic bacteria.

目的：探讨离心浓集脑脊液中细菌的方法，通过浓缩标本中的致病菌来提高其培养的阳性率。

Methods Pathogenic bacteria from CSF were enriched by centrifugalization with high speed. Leukocytes were counted in microscope and the quantity of the protein was detected by automatic biochemical analyzer.

采用高速离心法浓集脑脊液中的致病菌，镜检计数定量脑脊液中的白细胞数，自动生物化学分析仪检测脑脊液中的蛋白量。

Bacteria which concentration more than or equal to 10~2/ml in CSF can be enriched effectively by means of centrifugalization when the relative centrifugal force is 5753xg and centrifugalization time is 15min and the rate of positive cultivation of pathogenic bacteria in clinical specimen can be improved by centrifugalization with high speed.

离心法不能使脑脊液中浓度低于10~2/ml的细菌浓集；在离心力5753×g离心时间为15分钟的离心条件下，采用离心法能使脑脊液中浓度大于等于10~2/ml的细菌得到最佳浓集，提高临床标本中细菌培养的阳性率。

However the three mentioned analysis methods has been so far assured only available to high pathogenic pathotype identification, which was probably associated with the high expression of gene related to high pathogenicity, on the other hand, pathogenicity differentiation of Cercospora zeae-maydis was probably controlled by some complex factors regulated by by polygenes.

相比较而言，只有强致病类型菌株利用三种方法进行鉴定有一定程度的相关性，这可能与强致病类型致病相关因子在蛋白质和DNA水平上的表达强度高有关，另一方面可能是有复合因子控制灰斑病菌的致病性分化，这恰好反映出该病菌的抗性遗传是由多基因控制的特点。

A number of studies have suggested that apoptosis and its regulation plays an important pathogenic role in the chemoresistance of human melanoma.

现有研究已证实凋亡及其调节因子是决定恶性黑素瘤耐药的重要机制。

The anti-microbial activity of active materials against valsa mail,fusarium oxysporum,coniothyrium diplodieua and aspergillus nidulans were measured in vitro.the results showed that active materials extracted using acetone,aether and petroleum ether presented fungistasis to different extent on the four pathogenic fungi and had the best effect to coniothyrium diplodieua.active material extracted using ethanol presented certain anti-microbial effect to fusarium oxysporum.the results also showed there were anti-microbial active material in the leaves of cichorium intybus and founded a base on the research and application.

然后以提取液为供试药剂，对苹果腐烂病菌、棉花枯萎病菌、葡萄白腐病菌、构巢曲霉病菌4种植物病原真菌进行离体活性测定。结果表明：丙酮、乙醚、石油醚的提取液对4种病菌均有不同程度的抑制作用，其中对葡萄白腐病菌抑制效果最好；乙醇的提取液对枯萎病菌具有一定的抑制作用。表明菊苣叶中存在抑菌活性成分，补充了菊苣抑菌活性的研究内容，为该种植物抑菌活性成分的研究和应用奠定基础。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。