查询词典 pathogenicity

Then, the Phytophthora capsici"s biology characteristic were studed, which including the suited PH for growth, the best illumination, temperature and culture midium condiction of sporangium"s production, and the difference between their Pathogenicity.

在此基础上，对适合它们生长的PH值、产孢子囊光照条件、温度条件、培养基条件以及菌株致病力强弱等生物学方面的特性进行了研究。

VAT ShTat1.1,ShTat1.2,ShTat1.3 and ShTat1.5were taken to study their growth characteristic,sensitivity to human serumand pathogenicity to mice.The result showed biological characteristic ofdifferent VAT were not all the same,which implied that antigenic variationof T.evansi was accompanied with variation of trypanosome otherphysiology and biochemistry property.

对伊氏锥虫安徽株单虫克隆ShTat1所产生的不同抗原变异体ShTat1.1、ShTat1.2、ShTat1.3和ShTat1.5的生长特征，对人血清敏感性以及对小鼠的致病力的比较研究发现，不同VAT的这些生物学特性不完全一致。

So an international identification system for the pathogenicity of wheat leaf rust is needed.

因此，建立一套国际通用鉴别体系实属当务之急。

We examined the infection of Paecilomyces fumosoroseus via electron microscopy scan and pathogenicity of P. fumosoroseus conidia powder, conidia suspension liquid and conidia broth. Results show more conidia in acanthoid surface topography than in spinous surface topography.

采用扫描电镜观察玫烟色拟青霉分生孢子在小菜蛾幼虫体表的萌发和侵染过程及玫烟色拟青霉孢子粉、孢子悬浮液和孢子培养液对小菜蛾幼虫的致病力。

The pathogenicity of Tetranychus cinnabarinus was studied by using BtR05 strain. Its acaricidal activity was confirmed to prepare BtR05 suspending agent (BtR05 SC). This suspending agent was used to make the indoor toxicity test on the young, nymphae and adult T.

方法］使用BtR05菌株对朱砂叶螨进行致病性研究，确定其杀螨活性后，制备了BtR05悬浮剂，并使用该悬浮剂对朱砂叶螨的幼螨、若螨和成螨进行了室内毒力测定。

In order to discuss the optimal condition in which GPMV proliferates in chicken embryo and its pathogenicity, GPMV of different titer was inoculated into 911-day chicken embryo and the allantoic fluid was harvested after 36, 48, 60, 72 and 84 h, the HA titer was measured as well.

为了探讨鹅副粘病毒在鸡胚中增殖的最佳条件及其致病性，将不同血凝滴度的鹅副粘病毒分别接种于9~11日龄鸡胚尿囊腔，收获孵化36、48、60、72和84 h的鸡胚尿囊液，测定血凝滴度。

Nature reserve ; resources of entomogenous fungi ; pathogenicity ; Beauveria amorpha ; Verticillium indicum

自然保护区；虫生真菌资源；杀虫活性；多形白僵菌；印度轮枝菌

Among them, fungi of Hyphomycetales were dominant. The pathogenicity test of Beauveria amorpha and Verticillium indicum to larvaes of Cerura menciana and Parnops glasunowi were tested. The average pathogenical effect of Beauveria amorpha c...

选取其中的多形白僵菌和印度轮枝菌，分别对林业害虫杨二尾舟蛾、杨梢叶甲幼虫进行杀虫活性试验，多形白僵菌的平均杀虫效果高于印度轮枝菌 16 。4 %。

To understand the role of the mucosa-associated microbiota in pathogenicity of ulcerative colitis, paired biopsies were obtained during colonoscopy from the ulcerated and nonulcerated gut mucosa of 24 patients with UC. The dominant bacteria and four important groups lactic acid bacteria, Clostridium leptum subgroup, Bacteroides spp.

通过PCR-DGGE技术比较24例溃疡性结肠炎患者肠道内溃疡粘膜以及与溃疡粘膜相距5cm的非溃疡粘膜所黏附的优势菌以及拟杆菌、柔嫩梭菌、乳酸菌和双歧杆菌的组成情况，结果表明同一肠段两个部位的优势菌组成很相似，而柔嫩梭菌及乳酸菌的组成存在很大的差异。

Pathogenicity of 31 field strains of infections bursal disease viruses isolated during 1997-2001 in China was compared in SPF chickens at different ages.

为了弄清我国各地流行的IBDV毒力程度，在3—7周龄SPF鸡进行人工感染的致病性试验，以此比较研究了1997—2001年期间从我国不同地区分离到的31个IBDV野毒株。

The receding calculations and experiment analyses in this subject are built on the blood cast of pig tongue.

本研究课题的前期工作是采用猪舌血管铸型模拟人舌而进行的数值计算与实验分析。

"Each human infection constitutes an opportunity for genetic modification of the virus through reassortment, mutation, or both...."

&每一次人类的感染都暗藏着一次基因修改的机会，无论是通过病毒的整合、突变或者兼而有之。。。。&