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In the third chapter, the ultrastructure of cercaria is introduced, the feasibility of using high-voltage pulsed electric field to eliminate schistosome is discussed, elimination mechanism of high-voltage pulsed electric field is researched and the factors which affect the elimination effect are analyzed.
第三章主要介绍尾蚴的超微结构,探讨采用血吸虫尾蚴高压脉冲电场杀灭技术的可行性,研究血吸虫尾蚴高压脉冲电场杀灭技术的机理,分析影响杀灭效果的电场参数、处理环境和生物特性因素。
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It is the most powerful means of eradicating schistosomiasis. Current method of elimination cercaria is mainly the chemical method which has many disadvantages such as drug resistance, drug dilutedness, environmental pollution and poisoning the other biology, etc. For these reasons, this paper poposed a new method of elimination through high-voltage pulsed electric field, discussed the feasibility of the new method, studied the elimination mechanisms of using different forms of electrodes, analyzed various factors which influences the effect of elimination and introduced the structure of high-voltage pulsed electric field system at the stage of laboratory. Moreover, this paper showed the security problems that should be considered during the research and experiment.
针对常用的化学药物杀灭法存在的易使尾蚴产生抗药性、水域宽广致使药效降低、污染环境、毒杀其它生物等弊端,本文提出了一种利用高压脉冲电场杀灭血吸虫尾蚴的新方法,探讨了这种电子杀灭方法的可行性,分别研究了采用锐形电极和平板电极的血吸虫尾蚴杀灭机理,分析了影响尾蚴杀灭效果的各种因素,介绍了实验阶段血吸虫尾蚴高压脉冲电场杀灭系统的构成,指出了系统研制和试验过程中需要充分考虑的安全性问题。
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Image appearances of ocular cysticercosis depend on the parasitic site and living status of cysticercus in the eye region.
眼囊尾蚴病影像表现随囊尾蚴在眼内的寄生部位和存活状态而不同。B超检查可作为诊断眼囊尾蚴病的首选方法,MRI和CT检查可分别作为诊断活动期及非活动期眼囊尾蚴病的补充方法。
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The author studied firstly, systemtically and roundly on the membrane molecular biology of Cysticercus cellulosae during development, and put forward the biomembrane system, chemical compose, the process of phosphorus metabolism and biomembrane characteristic, and their changes during development.
首次对猪囊尾蚴膜分子生物学进行了较系统全面的研究,提出了猪囊尾蚴的生物膜系统、生物膜化学组成、膜磷脂代谢的途径及其生物膜特性以及发育过程中的变化。
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With the use of IgY-based ELISA method, we found that 15%,45%,90% and 100% of the slightly infected mice (5 cercarie per mouse) turned to be negative by detection of circulating SEA when treated by Praziquantel at 2, 4, 6 and 12 months postinfection, respectively; For the moderately infected mice (15 cercarie per mouse), SEA was undetectable in 5%,25%,40% and 70% of mice respectively after treatment at 2, 4, 6 and 12-months postinfection; With the same treatment, 0%,10%,30% and 60% of the heavily infected mice (35 cercarie per mouse) turned negative of SEA detection.
轻度感染(感染尾蚴5条/只小鼠)治疗后2个月,4个月,6个月,12个月的转阴率为15%,45%,90%,100%;中度感染组(感染尾蚴15条/只小鼠)治疗后2个月, 4个月, 6个月,12个月的转阴率分别为5%,25%,40%,70%;重度感染组(感染尾蚴35条/只小鼠)治疗后2个月, 4个月, 6个月,12个月的转阴率分别为0%,10%,30%,60%。
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The cercariae′s tegumental has secreted and excreted function. The tail bin of it was described,which can help it working in the water.
尾蚴的体被具有分泌、排泄功能;尾蚴尾部有鳍,有助于尾蚴在水中活动。
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Ginger oil was besmeared on the skin of mice and then the mice were either directly infected with Schistosoma japonicum cercariae or with the Schistosoma japonicum cercariae after washed by muddy water.
方法将实验小鼠随机分为A、B、C 3组,先将生姜油涂抹于A、B组小鼠皮肤, A组小鼠直接用血吸虫尾蚴感染,B组小鼠用泥浆水洗擦后感染血吸虫尾蚴,C组为对照组,A、B两组结果与对照组比较,观察生姜油预防血吸虫尾蚴感染的效果。
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In this thiese, we extracted a large qunatity of polysaccharide from cercariae, fractioned it into two components by size and affinity chromatography, and found that one component iwas glycogen-like material and the other was the glycocalyx.
在本文中,我们利用热酚淬取了大量的尾蚴多糖分子,通过分子筛和植物素亲和层析分离获得了两种成分,其一是尾蚴表面的糖萼,其余的则是尾蚴糖原。
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Cysticercus ellulosae could live in liver not only in muscle as we thought before. During the fast process of sending pigs to go into the market, it should be aware that even though cysticerci are not found in liver, they may be still in suitable locations of muscles, and more attention should be paid to pig quarantine.
猪囊尾蚴除在四肢肌肉等主要寄生部位生长外,还可以在猪的肝脏内寄生,但是随感染时间增加会逐渐死亡和钙化,表明在当前生猪快速出栏养殖过程中,猪肝脏无囊尾蚴寄生时,其余主要寄生部位如四肢和驱干肌肉内仍有囊尾蚴寄生,提示在生猪检验检疫工作中应予以重视。
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Results: Immature cysticerci were found in liver, heart, brain, lungs, tongue, and muscles of limbs and body on the 40 day. On the 80 day, cysticerci were bigger and matured. On the 120 and 150 days, large quantity of mature and alive cysticerci were found in all infected organs except liver in which the cysticerci gradually died. Cysticerci were not found to grow in kidney or spleen all the time.
结果:感染后第40天剖杀家猪,多数脏器和组织,如肝脏、心脏、脑、肺、舌、四肢及驱干肌肉内有未成熟囊尾蚴寄生;感染第80天时各器官及组织内囊尾蚴先后发育成熟,囊尾蚴随感染时间增加而逐渐增大;感染第120天或第150天时,除肝脏外各器官及组织内仍可见大量成熟囊尾蚴,且无死亡和钙化现象,而此时肝脏内囊尾蚴几乎全部死亡和钙化;在实验全过程中,肾脏和脾脏未见囊尾蚴寄生。
- 更多网络解释与尾蚴相关的网络解释 [注:此内容来源于网络,仅供参考]
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Gymnocephalus cercaria:裸头尾蚴
06.1229 棘口尾蚴 echinostome cercaria | 06.1230 裸头尾蚴 gymnocephalus cercaria | 06.1231 矛口尾蚴 xiphidiocercaria
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trichocercous cercaria:毛尾尾蚴
06.1225 棒尾尾蚴 rhopalocercous cercaria | 06.1226 毛尾尾蚴 trichocercous cercaria | 06.1227 具囊尾蚴 cystophorous cercaria
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cystophorous cercaria:具囊尾蚴
06.1226 毛尾尾蚴 trichocercous cercaria | 06.1227 具囊尾蚴 cystophorous cercaria | 06.1228 盘尾尾蚴 cotylocercous cercaria
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microcercous cercaria:微尾尾蚴
06.1222 中尾蚴 mesocercaria | 06.1223 微尾尾蚴 microcercous cercaria | 06.1224 单口尾蚴 monostome cercaria
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cystocercous cercaria:囊尾尾蚴
06.1216 对盘尾蚴 amphistome cercaria | 06.1217 囊尾尾蚴 cystocercous cercaria | 06.1218 叉尾尾蚴 furocercous cercaria
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procercoid:原尾蚴 前尾蚴
proceomycin 高霉素 | procercoid 原尾蚴 前尾蚴 | procerusmescle 降眉间肌
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amphistome cercaria:对盘尾蚴
06.1215 无尾尾蚴 cercariaeum | 06.1216 对盘尾蚴 amphistome cercaria | 06.1217 囊尾尾蚴 cystocercous cercaria
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cercarial dermatitis:尾蚴性皮炎
尾蚴性皮炎(Cercarial dermatitis)是禽、畜类血吸虫尾蚴侵人人体皮肤所引起的炎症和超敏反应性皮肤病. 这些尾蚴侵入皮肤后,不能在人体内继续发育为成虫. 尾蚴性皮炎主要流行于水稻种植地区,故俗称稻田皮炎. 因在水中游泳时亦可得此症,
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distome cercaria:双口尾蚴
06.1218 叉尾尾蚴 furocercous cercaria | 06.1219 双口尾蚴 distome cercaria | 06.1220 腹口尾蚴 gasterostome cercaria
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echinostome cercaria:棘口尾蚴
06.1228 盘尾尾蚴 cotylocercous cercaria | 06.1229 棘口尾蚴 echinostome cercaria | 06.1230 裸头尾蚴 gymnocephalus cercaria