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wild silk
相关语句
  野蚕丝
     Production and Physical Properties of Soluble wild silk Powder
     水溶性野蚕丝粉的制作及其物性
  相似匹配句对
     Exploring the Degumming and Bleaching of the Wild Tussah Silk Cotton
     野生柞蚕丝绵脱胶、漂白工艺探讨
短句来源
     Production and Physical Properties of Soluble wild silk Powder
     水溶性野蚕丝粉的制作及其物性
     Soy silk
     大豆丝绸
短句来源
     Silk Denim
     丝牛仔布
短句来源
     the FUTURE is WILD
     未来狂想曲
短句来源
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This experiment utilized five breeds of silkworm such as Dong Zhong, etc, and the wild silkworm with 28 chromoses as the material. By means of the technique of poly aoryamide gel elcctrophoresis, we obtained the preliminary observation that both silkworms and wild silkworm exhibited three brands of blood esterase at the cathode. The wild silkworm of yellow blood and the silkworms used also display on enzyme brand stained heavily, moving quickly towarsd the anode. We observed that this brand of the wild silkworms...

This experiment utilized five breeds of silkworm such as Dong Zhong, etc, and the wild silkworm with 28 chromoses as the material. By means of the technique of poly aoryamide gel elcctrophoresis, we obtained the preliminary observation that both silkworms and wild silkworm exhibited three brands of blood esterase at the cathode. The wild silkworm of yellow blood and the silkworms used also display on enzyme brand stained heavily, moving quickly towarsd the anode. We observed that this brand of the wild silkworms moved slower than that of the silkworms'. The wild silkworm of white blood showed that two brands of enzymes were stained heavily, moving quickly towards the anode. Its transfer velocity was inter mediate among those of the silkworms. The blood esterase of silkworms', as well as that of the wild silk- worm's was retrained by eserine sulfate with the concentration 10~(-5) mol, and both of them belonged to the cholinesterase. The enzyme brand of the wild silkworms was simpler than the one of the silkworms and thus gave agreement to the rule that silkworms had involved from the wild silkworms, through our work. Now we agree with Tian Do on that the wild silkworm was the ancestor of the modern silkworm.

以染色体数n=28的桑蚕和东钟等四个家蚕品种的血液为材料,用不连续垂直平板聚丙烯酰胺凝胶电泳,初步观察到桑蚕和家蚕血液酯酶在阴极端均有三条染色极浅的酶带。黄血桑蚕与供试家蚕品种只有一条向阳极移动快、染色深的酶带,但迁移率前者稍慢;白血桑蚕有两条这样的酶带,其迁移速度一带比家蚕稍快,二带比黄血桑蚕稍慢。桑蚕和家蚕的血液酯酶均受10~(-5)mol硫酸毒扁豆碱抑制,同属胆碱酯酶,由此证明中国桑蚕应为现代家蚕的祖先。

This paper presents a easy method of marking wild silkworms extertially with alkaline purple 5BN solution,The experiment Showed.the adult wild silkworms,after 3-7minutes' anesthesia in diethyl ether and then sprayed alkaline purple 5BN solution on had no significant difference with the untreated ones in their oviposition,egg hatchability and lifespan. As the marked silkworms were soaked for l2 hours in attractants such as the mixture of sugar and Vinegar solution,soap solution and fresh water. the differentiation...

This paper presents a easy method of marking wild silkworms extertially with alkaline purple 5BN solution,The experiment Showed.the adult wild silkworms,after 3-7minutes' anesthesia in diethyl ether and then sprayed alkaline purple 5BN solution on had no significant difference with the untreated ones in their oviposition,egg hatchability and lifespan. As the marked silkworms were soaked for l2 hours in attractants such as the mixture of sugar and Vinegar solution,soap solution and fresh water. the differentiation rate was 100%,it soaked for 24 hours,merate was about 90%. It indicated hat the marked silkworms could be easily distinguished from the untreated ones This sufe method can be applied to ecological studies such as the assay of the irradiated sterile wild silkworm' spread ability in fields and behavior of the adult wild silk worms etc.

本文论述了用碱性紫5BN液对野蚕进行体外染色标记的简便方法,试验表明,野蚕成虫经乙醚麻醉3一7min后,用碱性紫5BN液喷雾染色标记,其产卵量,孵化率和寿命均与未标记成虫无明显差异。染色标记后的成虫在糖醋液,皂液和清水等各种诱捕液中浸泡12h后,其分辨率均达到100%,浸泡24h后,其分辨率达到90%左右,标记后的成虫能与非标记成虫明显区别,可用于测定辐射不育野蚕田间扩散能力,成虫行为等方面的生态学研究

By the noteworthy archaeological achievement gained in the 20th century together with historical records, fairy tales and legends, it has been proved that China is the hearth of sericulture; it is ancient Chinese who made the great invention of mulberry planting, silkworm breeding, silk reeling and silk weaving. The cocoon shell was unearthed in 1926 on the site of Yangshao Culture at Xiyin Village of Shanxi Province; lenos were unearthed in 1983 on the site of Yangshao Culture at Qingtai Village, Yingyang County,...

By the noteworthy archaeological achievement gained in the 20th century together with historical records, fairy tales and legends, it has been proved that China is the hearth of sericulture; it is ancient Chinese who made the great invention of mulberry planting, silkworm breeding, silk reeling and silk weaving. The cocoon shell was unearthed in 1926 on the site of Yangshao Culture at Xiyin Village of Shanxi Province; lenos were unearthed in 1983 on the site of Yangshao Culture at Qingtai Village, Yingyang County, Henan province; two pieces of pottery like silkworm pupae were unearthed in 1980 on the site of Yangshao Culture at Nanyang Village, Zhengding County, Hebei Province; and the oracle bone inscriptions of Yin ruins, representing the pictographic scripts of “silkworm, mulberry, silk and bo (a general term for silk fabrics)”and the oracle inscriptions of divination related to sericulture were excavated at Anyang County, Henan province—all these show that the middle and lower reaches of the Yellow River are one of the hearths of sericulture. In addition, silk threads, silk ribbons and tabby silk fragments of the Neolithic Age were unearthed in 1958 at Qianshanyang, Huzhou City, Zhejiang Province; black pottery pieces with painted silkworm design were unearthed at the Meiyan site, Wu County, Jiangsu Province; wooden spinning rods, bone needles, wooden warping axles and a small ivory cup carved with the pattern of knitting and silkworms were unearthed in 1977 at the Hemudu site, Yuyao County, Zhejiang province; the archaeological findings of silk clothes of the Shang Dynasty from the coffin were unearthed in1978 at Lianhua Peak, Wuyi Mountain, Fujian Province—all these show that the middle and lower reaches of the Yangtze River are another hearth of sericulture. What's more, tiger head and silkworm body ornaments were unearthed at the Sanxingdui site, Guanghan City, Sichuan Province, the legendary stories and fairy tales of the “horse head goddess of silkworms” and the rite of worshiping the “goddess of silkworm” were popular on the Chengdu Plain—all these show that the Chengdu Three River Plain with the Sanxingdui site as the center is the third hearth of sericulture. As there are more than one cradle of ancient Chinese civilization, there are more than one hearth of China's sericulture. The middle and lower reaches of the Yellow River, the middle and lower reaches of the Yangtze River and the Three River Plain in the Sichuan Basin are all the hearths of sericulture. The silk threads and fabrics unearthed from the Qianshanyang site in 1958 and the silk fabrics from Qingtai Village in Henan Province in 1984 as well as the pottery silkworm pupae from Nanyangzhuan Village in Hebei Province in 1980 demonstrate that our ancestors mastered advanced weaving techniques and began to raise silkworm indoors at least 5 500 years ago. Thus, from the findings of archaeological research, it can be recognized that sericulture occurred in the late period of the Neolithic Age, dating back more than 5 500 years. The utilization and domestication of silkworm by human beings involve gathering wild silk cocoons, planting mulberry trees and raising silkworms indoors.

中国是世界蚕丝业的发源地 ,蚕丝业起源的时间下限在新石器时代晚期 ,距今至少在5 5 0 0年以上。中国蚕丝业起源是多中心的 ,黄河中下游流域、长江中下游流域和四川盆地的三江流域都是蚕丝业的起源地之一。

 
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