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four-generation
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  4代
     Conclusion A novel splice site mutation (IVS8+1G>C) in the PRPF31 gene caused retinitis pigmentosa in the four-generation Chinese RP family studied.
     结论 我国该4代RP家系中的患者由PRPF31基因中一新的剪切位点的杂合突变致病(IVS8+1G>C)。
短句来源
     Methods A Chinese four-generation pedigree of keloid was investigated and confirmed. Venous blood samples of 32 members in this family were collected and seven microsatellite markers spanning the critical regions on chromosomes 15q22.31~q23 and 18q21.1 were genotyped,then the DNA extracted from each sample was amplified for these markers by PCR.
     方法:1个中国东北地区4代瘢痕疙瘩家系,采集家系中32名成员的外周血标本提取DNA,选择位于15q22.31 ̄q23及18q21.1区域7个微卫星标记,应用聚合酶链式反应(PCR)得到扩增产物片断,测定PCR产物片段大小,得到每个样本的基因型。
短句来源
     Four-generation optics materials were discussed in this article, especially, the merits as well as preparation processes of the third-generation optics materials of SiC and the fourth-generation optics materials of SiC matrix composites were described detailedly Also, the research and application of SiC optics in the developed countries were introduced At last, the development of SiC optics in China was reviewed
     文章描述了 4代军用卫星反射镜用材料的研究发展历程 ,重点介绍了以SiC及其复合材料为标志的第三、四代反射镜的特点和优点、SiC反射镜及其复合材料反射镜的制备工艺、世界各发达国家关于SiC反射镜的应用 ,最后 ,对国内研究进展及今后需要进一步解决的问题提出了几点看法。
短句来源
     ObjectiveTo identify the genetic defect for the autosomal dominant coralliform cataract affecting a four-generation Chinese family.
     目的 明确一个延续 4代具有珊瑚状表型的常染色体显性遗传性白内障家系的基因缺陷。
短句来源
     Objective To identify mutations in a four-generation Chinese family with retinitis pigmentosa and to investigate its clinical phenotype.
     目的 研究我国一个4代常染色体显性遗传视网膜色素变性(RP)家系患者的致病基因突变位点及临床表型特征。
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  “four-generation”译为未确定词的双语例句
     Objectives (1) to refine the previously mapped regions and identify the disease gene locus in a four-generation Chinese family.
     目的 (1) 定位点状掌跖角皮病致病基因区域,将其进一步缩小在染色体上更窄的范围内。
短句来源
     This thesis dealt with a more systematic theory of the Communist Party of China have a national development thinking and practice based for four-generation leadership collective understanding of the theory of national development, exploration and development process, and the content of national development theory , identity, noting that the national development of the theory of building socialist with Chinese characteristics, especially for promoting our national work in the new period of harmonious socialist society construction in this new century.
     本文较为系统地论述了中国共产党民族发展理论产生的思想和实践基础,四代领导集体对民族发展理论的探索和发展历程,以及民族发展理论的内涵、特征,指明了民族发展理论对建设中国特色社会主义的重要性,特别是对我们做好新世纪新阶段构建社会主义和谐社会的民族工作具有重要意义。
短句来源
     According to the intergeneration relation,the living ways of the aged can be divided into six types: living alone,one generation family,two-generation family,three-generation family,four-generation family,double-generation family.
     老人居住方式按照代际关系可以分为老人独居、一代户、两代户、三代户、四代户、隔代户等6种类型。
短句来源
     Methods The blood samples of a four-generation classic idiopathic PD family were collected.
     方法收集一个四代人的帕金森病家系,对其进行临床诊断,确认该家系为一个典型的原发性帕金森病家系。
短句来源
     Objective To investigate the characterization of a four-generation large family with Leber's hereditary optic neuropathy (LHON).
     目的探讨Leber’s遗传性视神经病变(Leber’shereditaryopticneuropathy,LHON)一个双生子家系的临床和分子遗传学特征。
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  相似匹配句对
     The Four Feathers
     四根羽毛
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     Part four.
     第四部分,议程设置理论的意义。
短句来源
     On the"Four-Respects
     “四个尊重”解读
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     The Four-Stringed Pipa
     琵琶——中国弹弦乐器(英文)
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     On "Generation
     “代”论
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  four-generation
Through the addition of grandparents, other kin, or unrelated individuals, the remaining households comprise three- or four-generation domestic units.
      
A replicated four-generation selection experiment for faster learning speed in mice is described.
      
The model is applied to four-generation pedigrees where the objective is to predict the genotypic values of fourth-generation individuals that have not been phenotyped.
      
We also identified a missense exchange in this gene, segregating with the Stocco dos Santos XLMR syndrome in a large four-generation pedigree but absent in >amp;gt;1,000 control X-chromosomes.
      
We present a linkage study in a four-generation autosomal dominant cerebellar ataxia (ADCA) family of Dutch ancestry.
      
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Following the report made in 1958, continuous studies were carried on during, 1959--1961in the cotton growing regions of Hupei, Honan, Yunnan and some other provinces. This papermainly deals with the following aspects: geographical distribution of the generations, activities inthe period of late autumn to next spring, different nutritional conditions in relation to develop-ment, selection of host plants by moths, some characteristic habits of adult and larva, some moreimportant factors of outbreak, and some...

Following the report made in 1958, continuous studies were carried on during, 1959--1961in the cotton growing regions of Hupei, Honan, Yunnan and some other provinces. This papermainly deals with the following aspects: geographical distribution of the generations, activities inthe period of late autumn to next spring, different nutritional conditions in relation to develop-ment, selection of host plants by moths, some characteristic habits of adult and larva, some moreimportant factors of outbreak, and some key points of control. The generations produced in different regions may be classified into four belts: 1. Three-generation-belt——localized at 40°N northword; 2. Four-generation-belt——between 32--40°N; 3Five-generation-belt——25—30°N; 4. Six-generation-belt——generally resided at 25°N southword.There are a few instances of seven generations. Of adult and larval development, different results were obtained from different nutritional con- ditions. When larvae fed with the reproductive organs of cotton plant, their growth rate wasfaster, mortality lower and pupal weight also heavier. The food of adult stage is very important to its fecundity. The highest fecundity was foundwhen the moths fed with pollen of cotton flower and 10%. water diluted honey. However, 10—30% cane suger solution was also good. It seems that the moths are highly selective in visiting plants. They visit onions for takingfood from the onion flowers and peas for laying eggs only. The cotton plant is an importanthost for egg laying, but not a favorable food plant for the adult. On the other hand, the sunflower is a good food plant, for adult but not a favorable host for oviposition. There are three main times of adult flight. In the evening, about 19:30—20:30 PM, theadults fly for feeding and oviposition. Mating flight was found at about 1:30—4:00 AM. Atdawn, it was very inactively. Some points of larval habits are needed to mention: The egg hatches mostly at 12:00--18:00PM. The molting period is mostly at night. There is a resting period before molting. The restingperiod of larva becomes longer following its instar increases. The larva always molt outside theboll, and after molting, it usually bores into a new boll to feed which takes place ordinarily at5:30--12:00 AM. The third to sixth instar larvae possess a very large feeding capacity, the averagetotal is about 22.3 squares, flowers and bolls. The basic overwintering pupal population is closely related to the population of first generationin the next spring. The amount of rainfall directly effects the population of various generationsof cotton bollworms. Generally, when the annual amount of rainfall in the Yellow river cottoncultivating region is higher than ordinary year, or when the amount of rainfall in Yangtze riverregion is lower than ordinary year, and the relative humidity of both regions usually keeps around80% which will then very favorable to the cotton bollworms. Storm may wash off and kill theeggs and the young larvae. Due to rainfall in the pupal stage, soil contains too much water whichis unfavorable to the pupae and also to the emergence of moths. According to the various environ-mental conditions, the population of the cotton bollworm in Yellow river region maybe classified into four types: 1. Up grade type——population gradually increases from the firstto the last generation. 2. Down grade type——population decreases in each 3. Midhump type——The highest peak locates in the middle generation. 4. Saddle type——The population of the middlereaches the lowest and much higher at both ends. Besides the chemical control, some other aspects are considered more important in checkingthe population of cotton bollworms. They are the elimination of overwintering pupae by meansof various methods, the destruction of honey producing flower plants in spring in order to elimi-nate the food sources of adults, the attraction of moths by means of different kinds of light andalso the tree stick bundle method, etc.

继续1958年棉铃虫研究工作报告之后,1959—1960年又进一步在湖北、河南和云南等省作了研究,本文主要包括棉铃虫的世代分布带,晚秋、冬春活动情况,不同饲料对生长发育的影响,成虫对寄主植物的选择,成虫和幼虫活动的规律性,大发生的特点和防治关键。 其发生世代大致可分四个地理带:1.40°N以北,约发生3代;2.32-40°N是4代区;3.25-32°N是5代区;4.25°N以南一般6代,个别地区7代。如化蛹后5天以上其眼域外缘的4个小斑点没有变化,即为休眠蛹。 不同食料条件对成虫和幼虫生长发育影响很大。幼虫取食植物的繁殖器官,营养良好,则死亡率低、生长快、蛹较重、成虫繁殖力也高。成虫补充营养不同,其产卵量有显著差异,喂以棉花花粉加10%蜂蜜水产卵最高,单喂10—30%蔗糖水也很好,蔗糖太浓或单喂各种花产卵都降低,喂以植物营养器官则产卵很少或不产卵。 成虫对不同寄主植物有选择性。可分为取食寄主、产卵寄主、取食兼产卵寄主。如大葱、洋葱等则仅取食而不产卵;而豌豆等是产卵寄主,未见成虫取食;棉花等以产卵为主;向日葵等则以取食为主,产卵较少。成虫产卵对棉株生长势也有选择,一般棉株生长茂盛,颜色浓绿、组织幼嫩、蕾、花和嫩...

继续1958年棉铃虫研究工作报告之后,1959—1960年又进一步在湖北、河南和云南等省作了研究,本文主要包括棉铃虫的世代分布带,晚秋、冬春活动情况,不同饲料对生长发育的影响,成虫对寄主植物的选择,成虫和幼虫活动的规律性,大发生的特点和防治关键。 其发生世代大致可分四个地理带:1.40°N以北,约发生3代;2.32-40°N是4代区;3.25-32°N是5代区;4.25°N以南一般6代,个别地区7代。如化蛹后5天以上其眼域外缘的4个小斑点没有变化,即为休眠蛹。 不同食料条件对成虫和幼虫生长发育影响很大。幼虫取食植物的繁殖器官,营养良好,则死亡率低、生长快、蛹较重、成虫繁殖力也高。成虫补充营养不同,其产卵量有显著差异,喂以棉花花粉加10%蜂蜜水产卵最高,单喂10—30%蔗糖水也很好,蔗糖太浓或单喂各种花产卵都降低,喂以植物营养器官则产卵很少或不产卵。 成虫对不同寄主植物有选择性。可分为取食寄主、产卵寄主、取食兼产卵寄主。如大葱、洋葱等则仅取食而不产卵;而豌豆等是产卵寄主,未见成虫取食;棉花等以产卵为主;向日葵等则以取食为主,产卵较少。成虫产卵对棉株生长势也有选择,一般棉株生长茂盛,颜色浓绿、组织幼嫩、蕾、花和嫩叶多则产卵多,反之则少。 成虫昼夜活动有一定规律性,从飞翔看来,可分为三个主要阶段:黄

Earias cupreoviridis Walker is one of the serious pests of field cotton in Hunan.This paper deals with the results obtained in1959, 1960 and 1961 in Tar-tong Lake ofHunan province. Five generations were recorded in the laboratory and also observed inthe cotton field in 1961. Earliest appearance of the moth in cotton field was in late June, but larvae in fieldwere abundant from early July to late August (third to fourth generation). The last gene-ration larvae occurred in November from which pupae were produced...

Earias cupreoviridis Walker is one of the serious pests of field cotton in Hunan.This paper deals with the results obtained in1959, 1960 and 1961 in Tar-tong Lake ofHunan province. Five generations were recorded in the laboratory and also observed inthe cotton field in 1961. Earliest appearance of the moth in cotton field was in late June, but larvae in fieldwere abundant from early July to late August (third to fourth generation). The last gene-ration larvae occurred in November from which pupae were produced within the cottonplant to pass the winter. The longevity of the moth was 4.9--11.5 days. The durationof egg stage was 3--10.1 days. The larvae passed 6 instars and larval stage lasted10.5--23.3 days. The pupal period of the first four generations was around one to twoweeks. The larvae did not remain in one boll or bud but bore out again and crawl frombud to bud or boll to boll. Other habits of adult, larvae and pupa are described. The sequence of outbreak of this pest were also investigated. In general, larval po-pulation increased when average five-day temperature was between 26--30℃. andaverage humidity over 80%, or coefficient of temperature and humidity between 2.7--3.3.On the other hand, population decreases when the average five-day temperature wasover 30℃. and the coefficient of temperature and humidity below 2.7. When the plantswere dense,the percentages of infection were different. The names of varieties of cottonunder observation were given.

棉鼎点金刚钻在湖南每年发生5—6代,以6代为主。第1—2代在早春奇主上发生,6月下旬开始迁入棉田,以第3—6代在棉花上发生,但第3—4代为害较大。各代及各虫态历期,以及各虫态主要习性均曾加以记述。 1959—1961年调查证明:棉田中鼎点金刚钻幼虫盛发期较适宜的气候条件为:每五日平均气温26—30℃、相对湿度80%以上、温湿系数2.7—3.3。密植棉田受害较重。岱福棉、岱红2343受害最轻,宁棉13号、南通一、二号较重。

From the standpoint of the ecological characteristics of the cotton pinkbollworm,concerning the different stages in development in relation with thetemperature and the relative humidity,the influence of food for the larvaldevelopment and the diapause of the larvae,the type of development is discussedin this report.It is a part of results of the pink bollworm investigation during1950 to 1962.With the exception of a few localities in the Northwest,pink bollworm hasbeen found in every cotton-cultivated area in...

From the standpoint of the ecological characteristics of the cotton pinkbollworm,concerning the different stages in development in relation with thetemperature and the relative humidity,the influence of food for the larvaldevelopment and the diapause of the larvae,the type of development is discussedin this report.It is a part of results of the pink bollworm investigation during1950 to 1962.With the exception of a few localities in the Northwest,pink bollworm hasbeen found in every cotton-cultivated area in China.The distribution of the pinkbollworm in the Northwest is limited by the low temperature in winter and thetemperature-humidity condition in cotton-growing season.According to theduration of the effective reproductive period of the pink bollworm in differentregions,it can be divided into four types in the infested areas in this country:1,two-generation area(effective reproductive period 70 days);2,two to three-generation area(effective reproductive period 80-100 days);3,three to four-generation area(effective reproductive period 120-140 days),and 4,multi-genera-tion area(effective reproductive period more than 240 days).If the moths developed were under certain limited number,no seriousdamage could be caused even after the third generation;if only a few squaresappeared during the time of moth emergency,the damage caused by the firstgeneration larvae would be quite limited.After the appearance of the cottonbolls,the larvae were densely populated not in squares but in bolls when bothbolls and squares were present.Since the cotton bolls are the most preferablefood for the pink bollworm,their presence is possibly responsible for the suddenrise of the larval population during that time.During the period of the secondgeneration,dry weather causes a great decrease in the larval population.Based upon the results of this study,different measures can be taken to con-trol the pink bollworm in the different types of the infested areas as mentionedabove.

本文系根据1950—1962年的部分研究结果。从红铃虫各期虫态发育与温湿度关系、食料对幼虫生长发育的影响、以及幼虫滞育的一些有关生态特性,来探讨它的发生规律。根据分析:西北无虫区的原因,主要是受冬季低温强度大,夏季温差大,湿度低的限制,红铃虫既不能越冬,又不能繁殖;已感染的地区,根据红铃虫的有效繁殖日数,可以划分为四个世代类型:即二代区、二三代区、三四代区和多代区。关于红铃虫数量变动原因,与发生基数、气候条件和繁殖期的食料条件关系最为明显。与此同时,也指出了不同地区控制红铃虫种羣数量的途径。

 
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