查询词典 pathogen

Toxoplasm gondii, which widely parasitizes both in human and animals. It is one of the main pathogen that can cause human TORCH syndrome. Infection of T.

刚地弓形虫是人兽共患的弓形虫病的病原体，也是人类TORCH综合症的病原体之一。

Piglet coccidiosis is a parasitic protozoosis, causing serious diarrhea. Thedisease mainly results from Isospora suis parasitizing small intestine epithelial cell ofnursing and freshly weaned piglets. Its main pathogen is I. suis, and the infected pigletsat 1 or 2 weeks postnatal exhibit nonhemorragic yellow or white diarrhea, with a lowmortality, but often followed by a consecutive bacterial or viral diseases, which increasesmortality in piglets and causes great economic losses in pig farms.

哺乳仔猪球虫病是由猪等孢球虫和某些艾美耳属球虫寄生于哺乳期及断奶仔猪小肠上皮细胞引起的一种以腹泻为主要临床症状的寄生性原虫病，其主要病原是猪等孢球虫，表现为出生后第一周发生非出血性的黄色至白色腹泻，临床症状并无特别之处，受害仔猪并不中止吮乳，死亡率较低，但常常会伴发一些继发性疾病(比如由细菌、病毒引起的疾病)，造成仔猪的死亡率升高，从而给许多猪场带来了较为严重的经济损失。

Results there were94food poisoning events and1666total sufferers during3years,that is to say,about31.3events and555sufferers per year in average.1died in2003.the food poisonings occurred mainly in the second and third quarter of a year.baoan and nanshan are the most common strict where food poising oc-curred.communality food poison cases are the most common ones,in which the number is71and victims are1429.most food poi-soning cases were caused due to eating unsanitary meats and meat products.bacterium is the main factors resulting in food poisoning（60.6%）.vibrio parahaemolyticus is the first common pathogen of all the bacillary food poisoning（40.3%）.

结果 3年中深圳市共发生食物中毒94起，平均每年31.3起，1666人中毒，平均每年555人。2003年有1人死亡。中毒主要发生季节为每年第二、第三季度。宝安和南山为高发区域，共占53.2%，集体食堂引起的食物中毒起数和发病人数最多，分别为71起1429人。引起中毒的食品主要为动物性食品。食物中毒的致病因素60.6%为细菌性食物中毒，细菌性食物中毒中40.3%是由副溶血性弧菌引起，占细菌性食物中毒的第一位。

Therefore, baculovirus was the pathogen of this disease. When checking up on site, it was found that there were a lot of bateria in hepatopancreas and hearts. The healthy shrimps injected with homogenated tissue suspension of diseased ones died earlier and quicker than that injected with same suspension but eliminated bacteria. So, if shrimps injected with virus, then reinfected with bacteria, its condition will be worse and died quickly.

同时在活检时发现病虾肝胰腺及心脏压片中有较多细菌，将未除菌病虾组织浆悬液注射健康虾，比注射除菌病虾组织浆悬液的虾死亡早而迅速，所以受病毒感染后再继发细菌感染将加快病情恶化和死亡。

Beneficial bacteria, it is with the characteristic of ammonification, nitrification, denitrification, desulfidation and dephosphorylation, etc., its growth is very quickly, it has the good efficiency for degrading water quality factor, it can well reduce ammonia and nitrogen, degrade nitrite, increase the dissolved oxygen in water, activate water quality, rich water, purify water, adjust water color, increase the transparency of water, restrain the reproduction of pathogen, prevent diseases of fish, by using this product for long term, can restore the water-ecological balance destroyed by slathering disinfector, antibiotics, form the advantage community, improve the water quality quickly, keep the good water ecological balance, decrease the disk of breeding, increase the benefit of breeding.

具有氨化、硝化、反硝化、脱硫除磷等生理特性，生长快，对水质因子降解效能高，可有效降低氨氮、降解亚硝酸盐、增加水中溶氧、活化水质、肥水、净水、调整水色、增加水体透明度、抑制病原菌繁殖、预防细菌性鱼病发生、长期使用本品可有效修复因大量使用消毒剂、抗生素等破坏的水生态平衡，形成优势种群，快捷改善水质质量，维持水体良性生态平衡。达到健康养殖、生态防病的目的，降低养殖风险，提高养殖效益。

The pathogenicity of pathogen was enhanced by washing leaf surface with acetone and 700% alcohol and by exposing the seedlings out of green-house.

在侵染试验中，用丙酮和70％酒精清洗的幼苗叶片发病加重；露天放置的烟苗较生长在温室内的烟苗发病重。

Streptococcus mutans, which is the predominant pathogen of caries, can close adhere to the surface of teeth , continue producing organic acid and resist to lower pH.

龋病的发生与变形链球菌的存在有密切关系。

We will discuss SIV variation to escape binding of neutralizing antibodies and also examine a case in which antibody binding may protect a pathogen from immune destruction.

我们将讨论SIV变异，此变异使SIV病毒逃过已被结合失效的抗体的结合。

All cultivars of citrus are susceptible to canker and highly susceptible when being artificially inoculated,implying that no function genes resistant to canker resistance have been identified in citrus,pthA is essential for the pathogen to cause hyperplastic canker symptoms on citrus.

然而，到目前为止，尚无一种能根除柑橘溃疡病菌的最佳方法，柑橘品种资源中亦未发现完全抗病的品种，长期的常规育种，也没有获得抗柑橘溃疡病的优良杂种，柑橘抗溃疡病育种没有取得实质性进展。

So it is suitable for the conventional DNA extraction of cotton Verticillium wilt pathogen.

结果表明：CTAB法比氯化苄法提取的DNA片段长(50kb)，纯度高(OD260／OD280＝1.56)，且稳定、无污染，适合于常规分子生物学研究；该提取方法中EDTA，NaCl和β-巯基乙醇的最佳配比为10 mmol，1.4 mol和2%。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。