selective breeding 中文意思是什麼

selective breeding 解釋
選擇繁殖
  • selective : adj. 1. 選擇的;挑選的;有選擇性的;淘汰的。2. 【無線電】選擇性的。adv. -ly
  • breeding : n. 1. 孵化;飼養;繁育。2. 選種;育種。3. 繁殖,生育。4. 薰陶;養育,教養,禮貌。5. 【原子能】增殖,再生。
  1. This paper summarized the inheritance and variation of main biological and economic characters in rape progeny from hybridization and distant crossing, inquired into the selective mating of hybrid parent and the selection of hybrid progeny, analyzed the problems which had existed in rape distant crossing breeding, and put forward some ideas for accelerating the stability of characters in distant crossing progeny

    概述了油菜品種間雜交後代及遠緣雜交後代主要生物學性狀和經濟性狀的遺傳變異現象;對雜交親本的選配及雜種後代的選擇進行了探討,分析了油菜遠緣雜交育種中存在的問題,就加速遠緣雜種後代的穩定提出了一些見解。
  2. Through selective breeding strategies, veterinarians and breeders are attempting to eliminate canine hip dysplasia

    通過選擇性繁育策略,獸醫和養犬人試圖消除這種疾病
  3. Our results indicated there was great potential for selective breeding. in aflp fingerprinting, some loci showed quite different frequency in four generations and they were assumed as putative markers closely related to disease - resistant trait

    Aflp指紋圖譜中的一些位點,其顯性基因頻率在四代群體中變化明顯,推測是由人工選育造成的,可能與抗病性狀密切相關。
  4. Aorigele, liu junping, yang xiaohong and hao yongqing were invited to give detailed lectures on advanced expertise relevant to seed selection, selective breeding and reproduction of dairy cattles, rearing management of calves and cows in lactation periods, the prevention and control of common dairy cattle diseases, the nutritional requirements and daily arrangements of feed ingredients and the prevention and control of infectious dairy cattle diseases

    資深專家敖日格樂劉俊平楊曉紅郝永清等四位教授分別就奶牛的選種選配與繁殖,犢牛泌乳期奶牛的飼養管理,奶牛常見疾病的預防和控制,奶牛各階段營養需求與日糧搭配,奶牛傳染性疾病的預防和控制等方面的先進技術進行了詳細講解。
  5. Conclusion the essential oil is mainly distributed in the stem bark, so the thickness of a stem bark can be used as a standard of selective breeding index

    結論廣藿香莖內的發揮油主要分佈在莖的皮部,廣藿香莖皮的厚薄可作為優良品種的選育指標。
  6. Archaeological finds around the world suggest that selective breeding was first carried out by man some 10, 000 years ago

    世界范圍的考古發現證明,人類開始有選擇性的飼養犬類發生在距今大約10 , 000年前。
  7. There was a significant negative correlation between electric conductivity and vigor index, indicated the electricl conductivity could be used as a selective index for flood tolerance breeding in brassica napus l

    電導率與活力指數之間有極顯著的負相關,可用來快速篩選油菜耐濕性材料。
  8. Selective breeding of new walnut variety lufeng

    核桃新品種露豐的選育
  9. Selective breeding of the early mature hawthorn variety fuzaohong

    津優31號黃瓜品種特性及栽培技術
  10. Selective breeding and application of fengnuo 2146 - a fresh - eating waxy maize hybrid

    鳳糯2146的選育及應用
  11. Selective breeding of animals

    動物的選擇性繁殖
  12. Selective breeding of plants

    植物的選擇性繁殖
  13. Progress in germplasm resources and selective breeding of longan in guangxi province

    廣西龍眼種質資源研究及品種選育
  14. Gui miao ( college of life science, south china normal university, guangzhou 510631 ) pengze crucian carp, carassius auratus of pengze, is a unique model system for studying evolutionary genetic and selective breeding, owing to its specific genetic background and reproductive modes

    結果表明同源和異源精子激發的胚胎發育過程在mdh 、 ldh和sod同工酶表達上存在明顯差異,充分說明了「異精生物學效應」的存在。
  15. The researches about the classification and identification of their species and varieties have provided an early, subservient and selective index for breeding work

    其種間或品種間的分類鑒定和親緣關系的研究為育種工作提供了一個早期的、輔助的、選擇性的指標。
  16. Researchers and senior engineer compose our scientific research group. from the improved seed selective breeding to the natural ingredient withdraws, they checks at each level, and make us to become your powerful partner

    由研究員高級工程師組成的科研隊伍,從優良品種的選育到天然成分提取,層層把關,使我們能為您提供優質穩定的產品,及時周到的服務,成為您強有力的合作夥伴。
  17. In this paper is given a general review of the structure and physical - chemical properties of cellulose, the development in cellulose research, the nutritional effects of cellulase, the selective breeding and characteristics of cellulose strain, and the way to determine enzyme

    本文就從纖維素的結構及其理化特性和纖維素研究進展、纖維素酶的營養作用、纖維素菌種的選育及其特性和酶的測定方法進行了綜述。
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