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cocoon layers
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  茧层
     Basing on the obtained results, the way for determining the silk length in various cocoon layers by sense was offered, which was tested by experiment.
     文章探究依靠感官进行茧层区分的规律性,基于所获得的结果,给出依靠感官区分的各茧层茧丝长度的推定方法,并通过实验对此理论进行了检验。
短句来源
     Ⅰ: Based on the distribution of cocoon number of different two cocoon layers during reeling process with fixed number of cocoons, we got the theory of designing of the center range in accordance with three principles: harmonious consumption, size deviation of produced silk and labor intensity of workers.
     在本文中将通过下述三个方面的研究报告,总结本课题的研究成果。 一、依据两层茧态下定粒缫丝配茧模型得到的各茧层茧粒数分布,提出了综合考虑原料茧协调消耗、生丝纤度方差和缫丝工劳动强度三原则进行中心配茧区间设计的方法,并分析原料茧特性,缫丝工技术等要素与中心配茧区间设定的关系。
短句来源
     There are some differences in micro\|structure and thermal property of silk fiber among different cocoon layers.
     各茧层蚕丝纤维的微细结构和热性能有一定差异。
短句来源
     This paper gives the system of differential-difference equations about the reeling dynamic process and derives the distribution of cocoon number of different cocoon layers during reeling process with fixed number of cocoons.
     本文从理论上对这一缫丝动态过程建立差微分方程组,得到定粒配茧缫丝时不同茧层茧粒数的分布。
短句来源
     The relation between the dried shell weight and the water content of tested cocoon layers isstudied.
     为提高鲜茧干壳量检验的工效,省略干燥鲜壳的工序,探索了鲜茧层的含水状态,仪测茧层含水率对干壳量的推算。
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  “cocoon layers”译为未确定词的双语例句
     Researches on Infrared Spectrum within Yamamai Cocoon Layers
     天蚕茧层红外光谱研究
短句来源
     Quality Difference between Outer and Inner Cocoon Layers and Its Elimination through Cooking
     蚕茧内外层茧质差异及其煮茧对策
短句来源
     Distribution of Cocoon Number of Different Cocoon Layers During Reeling Process With Fixed Number of Cocoons
     定粒配茧缫丝中不同茧层的茧粒数分布
短句来源
     The Model of Mixing Cocoons during Reeling Process with Fixed Number of Cocoons Based on Compartmentalizing Cocoon Filament into Three Cocoon Layers
     基于三层茧态茧丝的定粒配茧缫丝模型
短句来源
     2. Analysis of the periodic changing properties of the cocoon layers in the single cocoon reeling raw silk.
     2.k粒缫丝条中各层次茧丝数的概率分布
短句来源
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  相似匹配句对
     Water Quality Formation and Solubility of Sericin in Cocoon Layers
     水质组成与茧层丝胶溶解性的研究
短句来源
     Researches on Infrared Spectrum within Yamamai Cocoon Layers
     天蚕茧层红外光谱研究
短句来源
     Platform Based on Cocoon
     Cocoon在电信运营管理平台中的应用研究
短句来源
     Hangzhou's Charming of COCOON
     简洁 优雅 高贵 杭州女装万里行COCOON品牌尽显“杭女”风采
短句来源
     Layers of gold market
     论黄金市场的层次性
短句来源
查询“cocoon layers”译词为用户自定义的双语例句

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1. The juvenile hormone analogue "734-II" also known as "J002" [1-(p-Ethyl-phenoxy) 6,7-epoxy-3,7-dimethyl-2-oetcne] has shown to possess high juvenile hormone activity on the larvae of silkworm Bombyx mori L. Spraying "734-II" emulsions at 4 ppm directly on the fifth instar larvae 96 hours after the commencement of feeding would lengthen the instar to one or one and half more days and increase the weight of the cocoon layer to 10-13%.2. The formulation of the "734-II" emulsions can facilitate the dilution...

1. The juvenile hormone analogue "734-II" also known as "J002" [1-(p-Ethyl-phenoxy) 6,7-epoxy-3,7-dimethyl-2-oetcne] has shown to possess high juvenile hormone activity on the larvae of silkworm Bombyx mori L. Spraying "734-II" emulsions at 4 ppm directly on the fifth instar larvae 96 hours after the commencement of feeding would lengthen the instar to one or one and half more days and increase the weight of the cocoon layer to 10-13%.2. The formulation of the "734-II" emulsions can facilitate the dilution with water to a definite concentration. It was observed that no changes in activity of the emulsions will occur after being stored at room temperature for 4-6 months and at 50℃ for 7 days or at -5℃ for 1 day. The physiological activity will also not decrease when the diluted emulsions have been stored in the dark at 25℃ for three days.3. Large scale experiments have proved that the application of the "734-II" emulsions for increasing silk production in Bonibyx mori L. is convenient and effective.4. Some proposals are made on the application of "734-II" for the improvement of silk production in sericultural practice.

(1)昆虫保幼激素类似物“734-Ⅱ”[亦称“J002”,化学名称为1-(对乙基苯氧基)6,7-环氧-3,7-二甲基辛烯-2]对家蚕(Bombyx mori L.)具有很高的保幼激素活性。以百万分之四(4ppm)浓度于五龄中期喷布于蚕体,可使五龄经过时间延长1—1.5天,茧层量增加10—13%。 (2)“734-Ⅱ”乳油易于兑水稀释到一定浓度,乳化性能良好,自然贮放4—6个月,50℃贮放7昼夜,—5℃贮放1昼夜稳定性良好。乳油兑水稀释液在25℃下放于暗处贮存3昼夜其生理活性未降低。 (3)应用“734-Ⅱ”增产蚕丝大面积试验证明:“734-Ⅱ”乳油使用方便,手续简单,效果明显。 (4)提出了在生产中应用保幼激素增产蚕丝的注意事项。

Regarding the temperature of cocoon drying, heat supplying temperture was generally used in the past owing to the inadequacy of the thermoscope4: And the temperature of the heated body was usually deficient. In this experiment, we measured the cocoon layers, pupa shells and hearts of the heated bodies in the processes of drying with modern transistor thermoscopes Through several measurements of the inside heat supplying in 1964-1965, 1975, we have got a few data. In general, a formula may be formed as:...

Regarding the temperature of cocoon drying, heat supplying temperture was generally used in the past owing to the inadequacy of the thermoscope4: And the temperature of the heated body was usually deficient. In this experiment, we measured the cocoon layers, pupa shells and hearts of the heated bodies in the processes of drying with modern transistor thermoscopes Through several measurements of the inside heat supplying in 1964-1965, 1975, we have got a few data. In general, a formula may be formed as: wall temperature >room temperature >pupa temperature > layer temperature. In the past the highest temperature of drying was controlled below 100? but now it may be raised on to 120癟his experiment, in practice indicates the rational ity of the raising of temperature. In add'tion, with the gradual development of the drying degrees, the temperature of the cocoon layer and the pupa body rises. The temperature risiing in the cocoon layer is higner than that in the pupa body. Attention musto be paid to the grasp of the temperature in the later stage, especially to the final temperature.

对于烘茧温度,过去由于测温仪器的局限性,一般用的都是给热温度。至于受热体的温室,基本缺如。本试验应用现代的半导体测温仪器,对受热体蚕茧的茧层和蛹皮、蛹心,行烘茧进程中的温度实测。经1964、1965和1975年的几次测定,于内部予热式烘茧,初步摸索了一些数据,大体为壁温>室温>蛹温>层温的概念。过去烘茧最高温度规定100℃,现在又提可达120℃,这次试测,就从实践上说明了提高温度的合理性。又在烘茧中,随着干燥程度的逐步发展,茧层温度和蛹体温度就比例上升,茧层温度的上升比又大于蛹体,这是掌握后阶段温度特别是最后温度时特别应该注意的。

The heritabilities, correlation coefficients and prospective geneticadvance were estimated by means of the ananlysis of variance and the calcnlation of population of F2 and the back crossing population of F1 with the pareut in 1981-1982.1 . The heritabilities of the quantitative characters were various in the silkworms. Those which had higher estimated value in the broad sense heritability were catalase activation, cocoon width,aud cocoon length; those which had lower value were weight of the whole...

The heritabilities, correlation coefficients and prospective geneticadvance were estimated by means of the ananlysis of variance and the calcnlation of population of F2 and the back crossing population of F1 with the pareut in 1981-1982.1 . The heritabilities of the quantitative characters were various in the silkworms. Those which had higher estimated value in the broad sense heritability were catalase activation, cocoon width,aud cocoon length; those which had lower value were weight of the whole cocoon,pupal weigt, duration of the fifth instar and duration of the all instars; and those whieh had a moderate value were the cocoon layer ratio, the weight of cocoon layer. The narrow sense heritabilities were higher in the females' cocoon width, and cocoon layer ratio; they were lower in their weight of the whole cocoon, and pupal weight; aud they were moderate in number of eggs laid, cocoon length, aud cocoon layer weight. As to the male silkworm, the weight ofcocoon layer had a higher value; cocoon length, cocoon width, and cocoon layer ratio had a moderate value, while the weight of the whole cocoon aud pupal weight had a lower value.2. As to the heritabilities of the same character of the silkworm,they were different in accordance with the male and female. For the combination of two hybrids obtained from the crossing of one polyvoltine to another bivoltine , the female heritabilities were higher than those of the male's. But for the cross of 107 @ Nong 51 (both were polyvo-ltine lavicties),with the exception of cocoon length aud cocoon width, the male heritabilities were higher than the female's This may due to the genetic couservative character, sex-linked inderitance and maternal effect of the stock of the crossing (parental effect) and also due to the influence of the environmental conditions.3. The degress of correlation between the silkworm characters varied with different combinations ; generally, the genotypic correlation were higher than and phenotypic ones, but both correlations had the same tendency. There were higher positive correlations between weight of the whole cocoon and pupal weight,weight of the cocoon layer, cocoon length, and also botween weight of the cocoon layer and the cocoon layeer ratio.4. As to the prospective genetic advance, it was comparatively high in weight of the cocoon layer and the number of eggs laid;moderate in cocoon width and cocoon layer ratio; and lower in weight of the whole cocoon, pupal weight aud cocoon length.5. The heritability any genetioc correlation coefficient were by far , not a constant value, they varied with the different environmental Condieions, different combination of hybridization, and different calcnlation methods.

家蚕各数量性状的遗传力大小是互不相同的。以过氧化氢酶、茧宽、茧长、茧层率、茧层量有较高的遗传力,全茧量、蛹重、五龄期经过,全龄期经过的遗传力较低。雌雄之间的遗传力大小亦各有不同,多数性状是雌大于雄。性状间的相关程度;遗传相关一般高于表现型相关,且两者的相关趋势一致。全茧量与蛹重、茧层量、茧长,茧层量与茧层率有较强的正相关。预期遗传进度以茧层量、产卵数较高,茧宽和茧层率居中,蛹重、全茧量和茧长较低。遗传力、遗传相关系数系非恒定值,因不同杂交组合,不同环境条件和不同计算方法而有差异。

 
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