查询词典 silkworm cocoon

Bioinformatics Analysis of Silkworm Development-Related Genes According to sequence homology, homologous genes for 86 genes participating in embryonic development genetic hierarchy of Drosaphila were searched in silkworm genome, including 43 maternal genes, 12 gap genes, 9 pair rule genes, 13 segment polarity genes and 9 homeotic genes. Results show that all but 6 maternal genes have the homologues in silkworm genome and some of them have high similarity.

家蚕发育相关基因的生物信息学分析基于序列的相似性，在家蚕基因组数据中检索参与果蝇胚胎发育调控级联的86个重要基因的同源基因，结果表明，除6个母性基因在家蚕中没有找出同源基因外，其余基因在家蚕中均存在同源基因，并且其中一部分具有相当高的相似性。

The project implemented a systemic investigation to the pupa period of wild silkworm comparatively, which from Shanxi, Jiangsu, Sichuan, Chongqing, Guizhou provinces and so on. According to the investigation, the pupa dormant characteristic of Shaanxi wild silkworm was found, and the individual, which pupa period was more than two months was selected. Through the hybrid genetic analysis we found that the characteristics for a long period of pupa was controlled by polygene and genetic recessively and strongly influenced by environmental conditions at the same time. To compare the performance of pupa period of the pupa dormant wild mulberry silkworm, we designed different ecological conditions. The result indicating that the temperature is the main factor in the ecological impact, but the pupa period was extended at the same temperature conditions, indicating that the additive effects of the environmental factors.

本项目实施，系统调查比较了陕西、江苏、四川、重庆、贵州等省市的野桑蚕的蛹期经过，发现了陕西野桑蚕的蛹休眠特性，筛选获得了长达2个月以上的蛹期经过个体；通过杂交遗传分析，发现长蛹期特性表现为隐性遗传，受多基因控制，同时受环境条件的强烈影响作用；通过设计不同生态条件比较蛹休眠性野桑蚕蛹期经过的表现，表明温度是主要的生态影响因子，但相同温度的野外型条件下蛹期经过延长，表明受到环境因素的综合作用。

The test results of acute toxicity were examined with Pearson's degree of fitting. The results indicated that the silkworm was extremely sensitive to Chlorantraniliprole. The median lethal concentration (LC50) was 4.0905×10^(-3) mg/L and median lethal dose (LD50) was 1.1435×10^(-8) mg/larva for the 3rd instar newly exuviated larvae. No toxicity was observed when normal concentrations of Chlorantraniliprole were used to fumigate the silkworm rearing room. Both irrigation and leaf spraying with 1.25×10^(-4) mg/L Chlorantraniliprole solution showed strong systemic transmission properties in root, leaf and whole plant. The residual toxic period of this insecticide to silkworm was very long. Mulberry leaves sprayed with 1.25×10^(-4) mg/L Chlorantraniliprole solution could still cause 100% mortality of the 3 and 5 instar larvae after 60 d. Furthermore, toxic reaction was very quick. The poisoning symptoms emerged within 1~5 h after feeding on the poisonous leaves. The poisoned larvae experienced such symptoms as stopping ingestion, remaining still, vomiting slightly and body atrophy sequentially, and died ultimately.

食下毒力试验结果经Pearson拟合度检验表明，氯虫苯甲酰胺对3龄起蚕的食下致死中浓度(LC50)为4.0905×10^(-3)mg/L，致死中量(LD50)为1.1435×10^(-8)mg/头；药剂在常规浓度下对家蚕无熏蒸毒性；1.25×10^(-4)mg/L稀释药液对桑树根灌和喷叶处理，表现极强的根部、叶部和全株性内吸传导特性；药液对家蚕的残毒期很长，1.25×10^(-4)mg/L稀释药液田间喷雾桑叶，间隔60 d后采叶饲喂3龄和5龄蚕的死亡率均为100%，且中毒反应极快，添食毒叶后1~5 h出现中毒症状，经停止食桑、静伏、少量吐液、蚕体萎缩等过程后陆续死亡。

The boll weevil, for example, lays its egg inside the cotton cocoon, which leads the cocoon to fall.

例如棉籽象鼻虫，喜欢把卵产在棉茧里，从而导致棉茧脱落。

They have come out of their cocoon--into a larger cocoon.

他们冲破了自己的束缚——却陷入了更大的束缚。

The result showed that the variance of special combining ability was significantly better than that of the general combining ability in amount of cocoon crop and cocooning rate to newly hatched larvae, meaning that non-additive effect of these two characters was dominant in cross combinations, but additive effect of thousand-cocoon weight was dominant.

结果表明：除千粒茧质量外，产茧量和收蚁结茧率的特殊配合力方差显著地大于一般配合力方差，说明在杂交后代这2个性状的非加性效应占主导地位，而千粒茧质量则以加性效应为主。

Development period of the parasitoid pupa from the 5th instar larva fed on MSB was significantly longer. Length of cocoon of MSB treatment was significantly shorter than the control. However, no obvious differences were detected in the development periods of egg to larva, cocoon mass size, wasp emergence rate, sex ratio, longevity and forewing length of wasp between KMD1 and the control. 3. Amino acid content in the haemolymph of SSB after fed with transgenic rice Although there were no changes on the components of amino acids in the haemolymph of SSB after fed with two transgenic rice lines, there were some changes on relative contents of amino acids.

取食KMD1 36h后0天，20种氨基酸中除天门冬酰胺、丝氨酸、苏氨酸和甲硫氨酸外，其它16种氨基酸的含量都高于对照，其中组氨酸、甘氨酸、苯丙氨酸、异亮氨酸、赖氨酸差异达显著水平，谷氨酰胺、脯氨酸差异达极显著水平，与氨基酸总量表现一致的变化趋势；取食KMD1后1天，除天门冬酰胺、谷氨酰胺和赖氨酸高于对照外，其它17种氨基酸均较对照低，但仅丝氨酸、苏氨酸和色氨酸与对照差异显著；取食KMD1后3天，绝大多数氨基酸含量的变化与取食KMD1后0天的趋势一致，除丙氨酸和色氨酸比对照稍低，其它18种氨基酸均高于对照，其中精氨酸、缬氨酸差异显著，丝氨酸差异达极显著。

Research on the Development Issue of Chinese cocoon and silk industry Abstract The cocoon and silk industry is our country's traditional industry, as "the achievement industry", it has made great contributions for the national economy and occupied the monopoly status in the international market. So far, there are 20 million farmer families which are dealing with planting mulberry and sericiculture, one million silk workers.

茧丝绸业是我国的传统产业，是为国民经济发展做出过重大贡献的"功勋产业"，是在国际市场上处于垄断地位的优势产业。

The important factor which effect cocoon-shell sericin initial dissolving rate of silk worm material cocoon of Guangxi.

庄口和季节是影响广西桑蚕原料茧茧层丝胶初期溶解速度的重要因素。

Analysis of sex-linkage model shows that cocoon weight,cocoon shell weight andcocoon shell rate are controlled by additivity,dominance and sex-linkage of the gene effectsand interaction of genes and environment.

采用性连锁模型分析得知，全茧量、茧层量、茧层率三个性状受基因的加性效应、显性效应、性连锁效应等基因效应及其与环境互作的控制。

After oxidation, pH value of the surface of carbon black has a specific relation with the volatile content.

氧化后炭黑表面的pH值与挥发分之间有一定的关系。

Knowing that such a person is warped and sinful; he is self-condemned.

因为知道这等人已经背道，犯了罪，自己明知不是，还是去做。