登录

双语推荐:孳生

目的:调查淮河水系盾盘吸虫孳生情况。方法采集淮河水系淮南流域孳生的河蚌,编号并解剖分离蚌体内的吸虫,染色制片后鉴定虫种。结果在淮河水系淮南流域共捕获79只河蚌,其中23只感染盾盘吸虫,感染率为29.11%;共检获盾盘吸虫209条,感染性河蚌的平均感染度为9.09条/蚌。结论淮河水系淮南流域有盾盘吸虫孳生,经鉴定为腹盾属吸虫(Aspidogaster sp.)。
Objective To investigate the epidemic situation of trematode Aspidogastrea in the Huaihe River. Methods The mussels in the Huaihe River were collected numbered and dissected to detect the trematode and the species of trematodes were identified after dyeing. Results Totally 79 mussels were collected and the trematode Aspidogastrea were found from 23 mussels with the infection rate of 29.11% 209 trematode Aspidogastrea were collected and the average infectiosity of mussels was 9.09. Conclusion Trematode Aspidogastrea is endemic in the Huaihe River and the species is Aspidogaster sp.

[ 可能符合您检索需要的词汇 ]

20种新词语词典词条考察显示,当代汉语中已孳生出许多带"虫"新词语,它们在音节、结构、意义及构词法等方面表现出许多新特点。其中指人义"~虫"式新词语是在"虫"继承了古汉语通称义和现代汉语口语词戏谑义的基础上,通过仿拟和类推构词方式族群化孳生出来的,是人们从众与求新语用心理交互作用的结果。新词语成族现象彰显了词汇构成的理据性、继承性和创新性。
There have been blooming lots of“chóng (i.e.worm in English)”neologisms in modern Chinese which are collected by about 20 neologism dictionaries.The chóng neologisms are all derived from the model of “-chóng”and have new characteristics on syllable,structure,meaning and word-building as well.The blooming of the “-chóng”neologisms in modern Chinese show the neology’s qualities of word-building reason and inherent innovation as well,reflecting the modern persons’so-cio-cultural and psychological tendency to chase fad and novelty.

[ 可能符合您检索需要的词汇 ]

目的 调查上海化工区口岸蚊蝇,了解本区域蚊蝇种群的组成和分布,为口岸病媒防治工作提供科学依据.方法 蚊类调查采用灯诱法和捞勺法,蝇类采用诱蝇笼法.结果 2009-2011年,化工区口岸蚊类有6属10种,三带喙库蚊为优势种群,活动高峰在6-8月,生态湿地周围是蚊虫主要孳生地,捕获到上海地区较少见的黄色轲蚊和背点骚扰蚊;蝇类有5科31属59种,优势蝇种为大头金蝇、瘦叶带绿蝇和芒蝇,6-9月是活动高峰,种群分布呈多样性特点.结论 本口岸区域三带喙库蚊,大头金蝇是绝对优势种群,是防控的主要对象,应根据其孳生习性和季节消长规律采取综合性防治措施.
Objective To know the composition and distribution of mosquito and fly species through field investigation in the port of Shanghai Chemical Industry Park,so as to provide scientific evidence for the prevention and treatment of biological vectors.Methods Lamp-baiting and scooping method were used for the investigation of mosquitoes,and cage-trap method was used for the catching of flies.Results During the investigation from 2009 to 2011,10 species of mosquitoes belonging to 6 genera were monitored,with Culex tritaeniorhynchus being the dominant specie.The ecological wetland was the prime breeding place of mosquitoes,and its peak time of activity was from June to August.Coquillettidia ochracea and Ochlerotatus dorsalis,which were rarely found in Shanghai,were also collected during the investigation there.Fifty-nine species of flies belonging to 31 genera of 5 families were monitored,with Chrysomya megacephala,Hemipyrellia liqurriens and Atherigona oryzae being the dominant spec

[ 可能符合您检索需要的词汇 ]

通过调查三峡库区典型区县(万州、开县)库岸不同生态环境的植被和土壤类型,收集库区气象和社会经济情况资料,对三峡库区生态环境及社会经济因素变化与血吸虫病传染源输入、钉螺孳生等相关因素进行研究,结果表明:三峡库区重庆段生态环境适合钉螺滋生,钉螺和传染源输入可能性也极大,存在血吸虫病发生流行的潜在性危险,应加强血防监测体系建设。
Through investigating the vegetation and soil types of different ecological environment of the reservoir bank in the Three Gorges Reservoir Area (Wanzhou,Kaixian),and collected meteorological data and social economic conditions ,the related factors and changes of ecological environment and social economic factors in the Three Gorges Reservoir areas and the infection sources of Schistosomiasis ,snail input were analyzed.The results show that the ecological environment of the Three Gorges Reservoir in Chongqing was suitable for snail ,the input possibilities of snail and infectious source were great. A potential risk of Schistosomiasis epidemic was existed ,and we should strengthen the construction of monitoring system.

[ 可能符合您检索需要的词汇 ]

消毒是养殖场必须重视的一个防疫环节,尤其是在炎热的夏季,细菌、病毒易于孳生,规模养殖场更要重视消毒工作。消毒药品的选择、使用方法以及消毒间隔时间等都是影响消毒效果的因素。介绍了在炎热季节养殖场消毒过程中常见的一些不合理、不规范的用药现象,并提出较合理的用药方法,目的在于指导养殖场在生产过程中合理使用消毒药,做好日常消毒工作,为养殖场的生产保驾护航。
The disinfection is an important epidemic prevention tache. Especially, more bacteria and viruses propagate in hot summer, so the importance should be attached to the disinfection of breeding farms. The influencing factors of the disinfection effects were the selection, usage methods of disinfectants and the interval time of disinfection, etc. Some common unreasonable and nonstandard drug-use phenomena in the disinfection process of breeding farms in hot season were introduced. And some reasonable drug-use methods were proposed, in order to guide the reasonable use of disinfectants in the production process in the breeding farms, do good common disinfection jobs and provide basis for the production in breeding farms.

[ 可能符合您检索需要的词汇 ]

目的调查大连地区储粮中粉螨污染情况。方法采取直接镜检或过筛后查尘渣电热分离法。结果从5种储粮中分离出粉螨12种,分别隶属于4科10属,即粗脚粉螨、小粗脚粉螨、腐食酪螨、干向酪螨、伯氏嗜木螨、水芋根螨、纳氏皱皮螨、河野脂螨、害嗜鳞螨、米氏嗜鳞螨、膝澳食甜螨、粉尘螨。结论大连地区储藏物中孳生粉螨严重,应引起重视。
Objective To investigate the breeding status of acaroid mites in the stored grains in Dalian areas, Liaoning province. Methods The acaroid mites were isolated from different stored grains and identified by microscopy directly or by electric separation method. Results Twelve species of mites were identified from 5 categories of grains. These mites belong to 4 families and 10 genera, including Acarus siro, Acarus far-ris, Tyrophagus Putrescentiae, Tyrolichus casei, Caloglyphus berlesei, Rhizoglyphus callae, Suidasia nesbitti, Lardoglyphus konoi, Lepidoglyphus destructor, Lepidoglyphus michaeli, Austroglycyphagus geniculatus and Dermatophagoides farinae. Conclusion We should pay more attention to the acaroid mites that breeding in the stored grains seriously in Dalian areas.

[ 可能符合您检索需要的词汇 ]

目的:了解合溪水库主要水系钉螺分布与扩散情况,评价合溪水库血防工程控制钉螺的效果。方法采用草帘诱螺法在合溪水库主要水系不同区域水体诱捕钉螺,在水库网捞法打捞漂浮物查找钉螺,分析合溪水库主要水系水体螺情变化情况。结果投放草帘1800条,在南溪源头诱获37只钉螺,其余区域未诱获钉螺。水库库区打捞漂浮物5870 kg,未发现钉螺。结论合溪水库血防项目有效阻止了钉螺扩散,但上游仍有钉螺孳生,需加强水库区域的钉螺监测与控制。
objective To understand the status of Oncomelania hupensis snail distribution and diffusion in main drainages of Hexi Reservoir and evaluate the snail control effect of the schistosomiasis control engineering of Hexi Reservoir. Methods The O. hupensis snails were investigated by using the straw curtain method and fishing net method in different areas of the main drainages of Hexi Reservoir and the results were analyzed. Results A total of 1 800 straw curtains were used and 37 snails were found in Naxi stream. Totally 5 870 kg floats were salved and no snails were found. Conclusion The schistosomiasis con?trol engineering of Hexi Reservoir is effective in the prevention of the snail diffusion but there are still snails in the upstream. Therefore the snail surveillance and control need to be strengthened.

[ 可能符合您检索需要的词汇 ]

目的:观察碳酰胺结合黑色地膜覆盖杀螺效果。方法选择金华市江东镇曾有钉螺孳生的潮湿荒田,设加药黑色地膜组、黑色地膜组和空白对照3个组进行灭螺试验。结果试验第3、7、15、20 d和30 d加药黑色地膜组钉螺死亡率分别为86.0%、88.0%、100%、100%、100%,均高于对照组,差异均有统计学意义;在第3、7 d高于黑色地膜组,差异均有统计学意义。结论喷洒碳酰胺显著提高了黑色地膜覆盖灭螺效果,该法操作简便,是一种理想的灭螺方法。
Objective To evaluate the molluscicidal effect of black plastic film combined with carbon amide. Methods In Jiangdong Town Jinhua City the field with Oncomelania hupensis in the history was selected as experimental area and divided into 3 groups Group One was administered with black plastic film combined with carbon amide Group Two was administered with simple black plastic film and Group Three was a control group. Results On the 3rd 7th 15th 20th and 30th day after the experiment the mortality rates of O. hupensis of Group One were 86.0% 88.0% 100% 100%and 100%respectively which were significantly higher than those of the control group all P<0.05 . The differences of mortality rates between Group One and Group Two were statistically significant on the 3rd and 7th day after the experiment Group One was superior to Group Two . Conclusion The black plastic film combined with carbon amide can improve the molluscicidal effect.

[ 可能符合您检索需要的词汇 ]

目的 评价蚊孳生水体周围居民疟疾休止期划范围服药措施对疟疾的控制效果.方法 采用分层整群随机抽样法,于2007年3月选取淮河沿岸及其以北地区疟疾高发的6个县,每县根据2006年病例数将自然村分为5层,每层抽取1个自然村,即每县抽取5个自然村,共抽取30个自然村.每个自然村调查300 ~500名对象,合计12 860名.将每个县的5个自然村按区组随机化法分配到3个处理组中,其中,干预1组有9个自然村,4362名调查对象;干预2组有12个自然村,4471名调查对象;非干预组有9个自然村,4027名调查对象.应用问卷调查研究对象基本情况.调查疟疾病例与蚊孳生水体分布的关系,并以此作为划范围服药的依据.对干预1组采取划范围服药措施,对干预2组采取常规服药策略,非干预组不实施干预策略.计算2006、2007年各组研究对象疟疾发病率、标化发病率、发病率净变化值(干预前后标化发病率差值)、年龄别发病率,以及划范围服药措施的保护率、效果指数和病例捕获率.结果 干预1组共服药1219名(占27.9%),干预2组共服药219名(占4.9%).2006年干预前,干预1组、干预2组和非干预组分别以50 ~59岁、60 ~69岁和70岁以上年龄组发病率较高,其发病率分别是36.22‰(18/497)、40.11‰(15/374)和34.88‰(9/258).干预后,
Objective To evaluate the effect of preventive medicine for residents living around mosquito breeding water during rest period of malaria by delimiting a certain range.Method The study adopted the stratified cluster random sampling method to select subjects from 6 counties in the high epidemic area along and north of the Huai River since March 2007.Then the villages of 6 counties were stratified into five levels according to the case reported in year 2006,and one village was randomly selected from each level,thereby 30 villages were selected in total.300-500 subjects were interviewed in each village,and in total 12 860 subjects were recruited in the study.The five selected villages in each county were allocated to three intervention groups according to the block randomization method.The first intervention group included 9 villages,4362 people; the second intervention group was consisted of 12 villages,4471 people; the non-intervention group had 9 villages,4027 people.The basi

[ 可能符合您检索需要的词汇 ]

目的:调查和了解大理学院校园内蚊类的组成及分布,为大理州蚊类研究及蚊媒疾病的防控提供流行病学依据。方法:以大理学院古城和下关校区校园为调查点,选择校园内蚊虫孳生地和人群密集区为采样点,采用紫外灯诱捕法对夜间活动的成蚊进行通宵取样,对所捕成蚊进行分类、计数和统计分析。结果:共捕获成蚊619只,隶属2属11种。其中,库蚊属Culex 7种,按蚊属Anopheles 4种。捕获成蚊中以致倦库蚊Cx. qsuinqueascitus为优势蚊种(占捕蚊总数的87.72%),以三带喙库蚊Cx. tritaeniorhynchus为较常见蚊种,其他蚊类数量均较少。结论:致倦库蚊为大理学院校园内的优势蚊种。
Objective:To investigate the composition and distribution of mosquitoes in the Dali University campus and provide epide-miological evidence for the mosquitoes research and the prevention and control of mosquito-borne diseases in Dali state. Methods:The survey was conducted in both Gucheng campus and Xiaguan campus of the Dali University. The mosquitoes were collected at breeding place for mosquitoes and dense population areas. The UV light-traps were used to capture nocturnally active adult mosquitoes overnight. The collected insects were classified, counted and statistically analyzed. Results:619 mosquitoes were collected and identi-fied as 11 species of 2 genera. The two genera were Culex (7 species) and Anopheles (4 species), respectively. Among them, Cx. qsuin-queascitus was the dominant species (87.72%), and Cx. tritaeniorhynchus was common species and the other species were relatively few-er. Conclusion:Cx. qsuinqueascitus is the dominant species in the Dali University campus.

[ 可能符合您检索需要的词汇 ]