Mature larvae usually leaves the victim or the back of the leaves, petioles, veins and weeds on a thin silk cocoon so pupation, pupal stage 5-15 days.
老熟幼虫一般在被害叶片背面或枯叶、叶柄、叶脉及杂草上吐丝做薄茧化蛹，蛹期5 - 15天。
Juxian is the largest silkworm production base, gaining the top position of the province for its silk cocoon in both quantity and quality for serial years.
莒县是山东省最大的桑蚕生产基地，蚕茧产量质量连续五年全省夺冠。
The utility model discloses a steam heating device for rereeling machines and silk cocoon reeling machines in silk industry, mainly composed of a steam input tube and a condensation returning tube.
本实用新型公开了一种用于丝绸业中复摇机、缫丝机的蒸汽加热装置。
Some 750 people, primarily women, are benefiting from this enterprise in silk worm rearing, cocoon production and silk production.
大约750人(主要是妇女)从养蚕、蚕茧生产和蚕丝生产中获得了收益。
The average cocoon contains about 300-400 metres of silk.
普通的蚕茧含有300~400米的丝。
They no longer spin silk, so their only income from the industry comes from cocoon sales.
他们不再抽丝，所以养蚕唯一的收入就是卖茧。
Raw cocoon cost is about 80% of all the silk reeling cost, so cutting the raw cocoon cost is a key section in reeling process.
原料茧成本在制丝生产中占80%左右的成本，因此，降低原料成本是缫丝生产过程中极其重要的一个环节。
The effects of the insecticide to the cocoon silk reeling and animal toxicity tests had been studied also.
结果表明该杀虫剂杀虫效果好，广谱、药效高、毒性低，对蚕茧解丝质量没有影响。
An insecticide ICW - 98 for the cocoon and silk warehouse was prepared.
报道了适用于蚕茧、丝绸仓库的杀虫剂icw- 98的研制过程。
The results indicated that reasonable closing the windows and doors of cocooning room could improve the cocoon quality such as reelable cocoon rate, reelability percentage, raw silk rate and neatness.
结果表明，蔟中管理期间适时关闭蔟室门窗能提高蚕茧的上车率、出丝率、解舒、洁净等成绩。
They pupate in a thin cocoon of silk or silk and leaves.
在丝质茧或丝、叶交织成的薄茧内化蛹。
The results are summarized as follows:(1) There are flourescent substances in the white cocoon layer. These substances are absorbed from the blood by the silk-gland cells.
结果摘要如下： （1）白色桑蚕茧中存在荧光性物质，这些荧光性物质是从血液中被丝腺细胞吸收而进入丝物质中的。
The cocoon spun in poor mounting conditions shows yellow and dark colour, tough hand feeling and weak elasticity, resulting in more dropped ends and lower reelability percentage during silk reeling.
在恶劣的上蔟环境中结成的蚕茧，茧色黄而深浓，茧层手触紧硬而弹性弱，缫丝时落绪多，解舒差。
A combination of optimum pretreating and optimum cooking assures improved neatness and silk yielding, and reduced cocoon consumption, thus production is enhanced.
煮茧触蒸前处理工艺优化与煮茧工艺优化相结合，是提高净度、增加产量、做小缫折、提高出丝率的有效措施。
Dongtai Haichunxuan Silk Home Textile co., Ltd located in the country's largest production base of the cocoon — Dongtai, and was named for local attractions Haichunxuan Tower.
东台市海春轩丝绸家纺有限公司，位于全国最大的蚕茧生产基地——东以，因当地名胜海春轩塔而得名。
Current cocoon can only reel male and female composite silk which is difficult to mass-produced high-grade silk because male and female are mixed when drying cocoon, boiling cocoon and reeling cocoon.
现行蚕茧在烘茧、煮茧、缫丝时都是雌雄茧混合，只能缫制雌雄复合丝，很难批量生产出高品位生丝。
As to the economic characteristics, they had the features of big cocoon, high percentage of cocoon shell, long silk length, easy seperating of cocoon, good purity and superior quality.
在经济性状上具有茧型大，茧层率高，茧丝长，解舒易，净度好，丝质优的特点。
The utilization of colour-blending theory can work out all kinds of cocoon silk of colour spectrum.
利用色彩调和理论可以生产出更多色相的彩色茧丝。
The effect of direct steaming pretreatment of cocoon on cocoon reelability and raw silk cohesion is discussed.
本文就触蒸前处理对茧的解舒和生丝抱合力的影响作了探讨。
Silk proteins with different fluorescent colours taken from the silk gland and cocoon of Bombyx-mori are studied by discontinuous PAGE (Polyacrylamide Gel Electrophoresis).
本文用聚丙烯酰胺凝胶电泳法研究了不同荧光色桑蚕丝蛋白的电泳谱。
This article makes a systematic study of the influences of the cocoon cooking and the quality of silk upon the compound assistants of the combination of the silicon solvent and penetrating agent.
本文就硅溶胶和渗透剂组成的复合助剂对煮茧质量、丝质的影响作了较为系统的探讨。
The effects of varieties and producing areas of cocoon silk on the crystallinity and orientation are analyzed.
分析了茧丝的品种与产地对丝素结晶度和取向度的影响程度。
As an earliest birthplace of cocoon and silk industry, Anhui yields much in this trade.
安徽省是我国茧丝绸业最早的发祥地之一，也是我国重要的茧丝绸大省。
During idle period, take down the bracing rod, one-way overturn the silk adhesion branch with the movable hinge, the volume of cocoon breeding device superposed may be minimized.
在闲置时，取下撑杆，并利用活动铰链将粘丝枝单向覆倒，营茧器就能以最小体积叠放。
Analyses the influence and trend of the three cocoon-matching modes, i. e. random end feeding, proportional cocoon matching and layer-based cocoon matching, upon the size deviation of raw silk.
分析了随机添绪、比例配茧、塔形配茧三种配茧方式对生丝纤度偏差影响的程度和趋势。
Study on forecasting size curves of cocoon filaments is the foundation of computer simulation of silk reeling.
茧丝纤度曲线的预测研究是计算机模拟缫丝的基础。
Through production practice and data analyses in commodities inspection, it is proved that short-time pretreating process of cocoon direct steaming is useful to the improvement of raw silk cohesion.
通过生产实践和商检资料分析论证，高温短时间触蒸前处理工艺，对生丝抱合力是有益无害的。
Various defective cocoons in unsorted cocoon silk reeling will influence in varying degrees on raw silk quality indices.
统茧缫丝中不同种类的次茧对生丝各种品质指标影响程度不同。
Various defective cocoons in unsorted cocoon silk reeling will influence in varying degrees on raw silk quality indices.
统茧缫丝中不同种类的次茧对生丝各种品质指标影响程度不同。
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