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silk spinning
相关语句
  绢纺
     Application of Wetting Agent JK-1 to Waste Silk Spinning
     绢纺JK-1给湿剂的应用
短句来源
     Development and Application of Softener HGCS for Waste Silk Spinning
     HGCS绢纺柔软剂的开发及应用
短句来源
     Study on the utilization of sludge from silk spinning factory
     绢纺厂废水沉淀污泥的利用研究
短句来源
     Development of Silk Spinning Noil/Cotton Blended Fabrics
     绢纺落绵/棉混纺产品的开发
短句来源
     It will improve the quality of short ribbon spun on the silk spinning line.
     在绢纺线上纺制短麻条可提高麻条质量。
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  “silk spinning”译为未确定词的双语例句
     THE EXPLORATION OF THE CORE-SPUN YARN IN THE NOIL SILK SPINNING
     紬丝包芯纺纱的探索
短句来源
     On the Silk Spinning and Dyeing Industry in the Tang Dynasty
     唐代丝绸织染业概说
短句来源
     Occurrence and Reduction of Breakage during Noil Silk Spinning
     紬丝精纺断头原因及降低措施
短句来源
     Therefore, we can predict that the process of silk spinning might be a process of liquid crystalline spinning.
     结合前人的研究成果,可以推断蚕吐丝过程为液晶纺丝过程;
短句来源
     It is also found to stimulate silk spinning of silk worms. Another high yield species of yeast is screened and selected. It is a new species belongingto the genus Torulopsis with a raised productivity of 2.8g/l-h.
     我们也研究了酵母的核酸和脂肪的综合利用、并筛选了一株高产新菌株球拟嗜烷烃酵母(新种)4B-2,使生产能力提高至2.8克/升·小时。
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  相似匹配句对
     The Spinning Mechanism of Spider Silk
     蜘蛛丝成丝机理的研究
短句来源
     The Artificial Spinning Based on Silk Proteins
     基于动物丝蛋白的人工纺丝
短句来源
     Tussah Silk
     柞蚕丝绸之美
短句来源
     THE GRAFTING OF SILK
     蚕丝的接枝
短句来源
     Spinning propellers
     “转动”的螺旋桨
短句来源
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  silk spinning
Silk Spinning Behavior and Domicile Construction in Webspinners
      
velutinana laid their eggs preferentially in the shade and the larvae adopted hiding behaviors, such as bending of ligulate corollas and silk spinning to build opaque shelters.
      
The communal silk spinning is the most primitive yet discovered and may represent the first stage in the evolution of weaving.
      
The silk spinning apparatus consists of paired silk glands which extend laterally on both sides of the esophagus into the pedipalps.
      
Stacey also stated that after employment in artificial silk spinning they had been obliged to wear glasses and had experienced some eye weakness.
      


The present paper deals with the results from studies on the application of insect juvenile hormone analogues (JHA) and phytoecdysones (phyto-ECD) in se-ricultural practice in the autumnal season 1973. Bivoltine races of Bombyx mori L. were used and several synthetic JHA and two phyto-ECD were employed. The results may be stated as follows.1. Influences of JHA treatment on the rate of food/silk transformation, the spinning of silk threads and the enzymic activities of the digestive fluid: The...

The present paper deals with the results from studies on the application of insect juvenile hormone analogues (JHA) and phytoecdysones (phyto-ECD) in se-ricultural practice in the autumnal season 1973. Bivoltine races of Bombyx mori L. were used and several synthetic JHA and two phyto-ECD were employed. The results may be stated as follows.1. Influences of JHA treatment on the rate of food/silk transformation, the spinning of silk threads and the enzymic activities of the digestive fluid: The spray of JHA emulsified with Tween 80 (Polysorbate 80) at closes 2-3 μg per larva either directly on the fifth instar larvae 72 hours after moult or on the mulberry leaves with the feeding larvae of the same age caused no great changes in the amount of silk spun per hour and in the rate of food/silk transformation as compared with the larvae in the control set. Owing to the lengthening of the larval stage, however, the total amount of food taken in the whole fifth instar excelled that of the control. It was found that as a physiological response to JHA treatment the amount of food taken in the first three days after the spraying was less than that of the control during the same period. As the larvae in the control set had reached maturity and stopped feeding the JHA-treated larvae would continue to feed so that the total amount of food taken in the instar became greater. Thus in sericultural practice the amount of mulberry leaves given in the first three days after JHA spraying could be appropriately spared. In accordance with the decrease of food intake during the first three days after spraying with JHA it was observed that the rate of silk protein synthesis and the increase in body weight and in amylaseand proteinase activities of digestive juice of the treated larvae were retarded. But these parameters of the treated larvae tended to increase after the larvae in the control set had reached maturity.2. Influences of JHA treatment on the quality of the cocoons as judged with technologically practical standards: Treatment with JHA may improve qualitative characteristics some of which are very important in the industry of silk manufacturing, provided that the dosage of JHA be kept in the appropriate range.3. Influences of phyto-ECD treatment: Phytoecdysone from Achyranthes bi-dentata and ponasterone A were found capable to shorten the last larval instar and to diminish silk production when added to the food of feeding larvae before maturity. But when they were applied after 10% of the larvae had reached maturity and in doses 2-5 μg per larva by spraying, the instar was shortened about 12 hours without any decrease in silk production and diminution in the practical quality of the cocoons. When combined with the application of JHA at different time the sprays of phto-ECD could shorten the instar and save human labour in sericultural practice without affecting the increase of silk production adversely.

1973年在春季试验的基础上,秋期继续进行了昆虫保幼激素类似物增加桑蚕产丝量的研究,并初步研究了植物性昆虫蜕皮激素与保幼激素的配合使用,结果如下: (1)喷布保幼激素类似物3号后,蚕体叶丝转化率与对照差异不大,这和春季结果相符。五龄每小时的产茧层量和食下量的成丝率,激素处理区与对照区均无明显差异。食下干物的总量则前老明显超过后者。但喷布激素后的三天左右时间内处理区的食下量却低于对照区;当对照区见熟后,处理区食下量继续增加。故在激素处理后的三天左右时间内,适当控制用桑是增产和减少桑叶消耗的主要关键之一。 激素处理后三天左右时间内,绢丝物质的生成和体重增加速度均低于对照区,淀粉酶活性也低于对照区。这与食下量变化的规律一致。蛋白水解酶活性的变化与淀粉酶基本相似,但亦具有自己的特点。 (2)保幼激素类似物3号喷布于五龄蚕体后,茧丝长、茧丝量、解舒丝长及有绪率等均明显增高,拉力和抱合显著改善,切断次数减少,匀度、净度、清洁、茸毛等均与对照区相仿,纤度略有偏租的倾向。以上结果与春季试验一致。多次试验结果亦证明在喷布时间和喷布剂量适当的情况下,对蚕丝解舒并无不良影响,但剂量过高,则有导致解舒率下降的危险。 (3)牛膝蜕皮激...

1973年在春季试验的基础上,秋期继续进行了昆虫保幼激素类似物增加桑蚕产丝量的研究,并初步研究了植物性昆虫蜕皮激素与保幼激素的配合使用,结果如下: (1)喷布保幼激素类似物3号后,蚕体叶丝转化率与对照差异不大,这和春季结果相符。五龄每小时的产茧层量和食下量的成丝率,激素处理区与对照区均无明显差异。食下干物的总量则前老明显超过后者。但喷布激素后的三天左右时间内处理区的食下量却低于对照区;当对照区见熟后,处理区食下量继续增加。故在激素处理后的三天左右时间内,适当控制用桑是增产和减少桑叶消耗的主要关键之一。 激素处理后三天左右时间内,绢丝物质的生成和体重增加速度均低于对照区,淀粉酶活性也低于对照区。这与食下量变化的规律一致。蛋白水解酶活性的变化与淀粉酶基本相似,但亦具有自己的特点。 (2)保幼激素类似物3号喷布于五龄蚕体后,茧丝长、茧丝量、解舒丝长及有绪率等均明显增高,拉力和抱合显著改善,切断次数减少,匀度、净度、清洁、茸毛等均与对照区相仿,纤度略有偏租的倾向。以上结果与春季试验一致。多次试验结果亦证明在喷布时间和喷布剂量适当的情况下,对蚕丝解舒并无不良影响,但剂量过高,则有导致解舒率下降的危险。 (3)牛膝蜕皮激素和百日青甾酮都具有缩短龄期的生理活性?

A general describtion of the new opener for silk spinning including the design,structure and performance is given in this paper.The testing results show that the opener has improved the opening and clearingeffects of the material to be treated,thereby facilitating the subsequent processes.Asa result,the yield has been raised and the level of automation increased.Thereforethe new opener is fit to replace the traditional cocoon opener and ready to be appliedin production.It should be recommended as an effective...

A general describtion of the new opener for silk spinning including the design,structure and performance is given in this paper.The testing results show that the opener has improved the opening and clearingeffects of the material to be treated,thereby facilitating the subsequent processes.Asa result,the yield has been raised and the level of automation increased.Thereforethe new opener is fit to replace the traditional cocoon opener and ready to be appliedin production.It should be recommended as an effective machine in the new systemof silk spinning.

本文报道了新研制成的“绢纺开松机”。对这一机器的设计、结构和性能作了概括的叙述。实践说明,开松机对喂入原料改善了开松和除杂效果,有利于适应后工序的加工,提高了制成率,增加了机器的自动化程度,因而可替代传统的开茧机应用于生产,为绢纺新工艺设备配套提供新机。

This paper describes the research on production in pilot plant scale of n-paraf-fin yeast in China in recent years.The species used is Candida tropicalis Y-17.Production scaleis 100 tons annually.The fermenter is a 6m~3 air-lift type with an internal or external draft tube.The process is a two-stage,aseptic continuous fermentation with part of the waste fermen-tation fluid recycled.Productivity is 2g/1.h.Content of crude protein of the yeast productafter extraction of nucleic acid and lipid is about 60%.Result...

This paper describes the research on production in pilot plant scale of n-paraf-fin yeast in China in recent years.The species used is Candida tropicalis Y-17.Production scaleis 100 tons annually.The fermenter is a 6m~3 air-lift type with an internal or external draft tube.The process is a two-stage,aseptic continuous fermentation with part of the waste fermen-tation fluid recycled.Productivity is 2g/1.h.Content of crude protein of the yeast productafter extraction of nucleic acid and lipid is about 60%.Result of analysis of aminoacid composition showed that it is well-balanced and rich in lysine.It is also rich in vitamin B and nico-tinamide.Contents of toxic substances such as benzo(a)pyrene,aromatic hydrocarbon,mercu-ry,lead and arsenic are below the PAG criteria. We have done a lot of animal tests,including nutritional tests,chronic toxicity tests andmulti-generation tests on rats,chickens and pigs.Some tests last for five years.They all showedthat the n-paraffin yeast has neither toxicity to the parent animals nor cumulative effect ontheir offsprings up to the fifth generation.The n-paraffin yeast is a nutritious and safe fodderfor farm animals. In order to reduce the cost of production of n-paraffin yeast,we have studied the use ofyeast by-product,such as nucleic acid and lipids.The nucleic acids can be used as a growthstimulant for crops.The crude lipid is a good catcher for the flotation of certain kinds of ores.It is also found to stimulate silk spinning of silk worms. Another high yield species of yeast is screened and selected.It is a new species belongingto the genus Torulopsis with a raised productivity of 2.8g/l-h.

本文叙述了近十年来我国对正烷烃酵母研究的进展。我们用的菌种是热带假丝酵母Y-17,本所实验厂的生产规模是年产一百吨酵母。发酵罐为6米~3的内或外循环空气提升式,两级连续发酵,50%废水循环利用。生产能力为2克/升·小时。酵母产品的化学分析,包括蛋白质、氨基酸、脂肪、核酸、维生素等,都证明该产品为一优良蛋白饲料。有毒物质含量(如苯骈(a)芘、重金属)符合国际标准。动物试验(包括用大白鼠、鸡、猪的营养试验,慢性毒性试验,传代试验)证明该正烷烃酵母为安全可靠的优良饲料。我们也研究了酵母的核酸和脂肪的综合利用、并筛选了一株高产新菌株球拟嗜烷烃酵母(新种)4B-2,使生产能力提高至2.8克/升·小时。

 
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