hybrid grain 中文意思是什麼

hybrid grain 解釋
固液推進劑裝藥
  • hybrid : n 1 【生物學】雜種,雜交種;混血兒。2 (由兩種來源的東西組成的)混合物;受過兩種不同文化傳統教育...
  • grain : n 1 穀物,糧食〈英國叫 corn〉; 谷類植物。2 穀粒,籽粒。3 (沙、金、鹽等的)粒,顆粒,晶粒。4 些微...
  1. Directed on the present situation and existing problems in boosting beef cattle industry based on the yellow cattle improvement in china, the review indicated that several relationships, such as integration of individual households and large scale cattle farms, integration of yellow cattle improvement, crossbreeding, breed conservation and utilization, integration of high grain diet intensified fattening and low grain diet economic fattening, should be handled properly ; and the requirements of profitable cattle industry for increasing reproductive survive rate, using hybrid vigor and improving the weight gain, the main factors affecting economic return of large scale cattle farms and the technology level improvement in cattle industry were duiscussed as well

    本文就近來我國以黃牛改良為特點的肉牛業蓬勃發展現狀與存在問題,指出應處理好養牛經營形式千家萬戶與規模牛場相結合、黃牛肉用與肉役兼用相結合、黃牛改良選育與雜交、保種及利用相結合、高精料強度肥育與低精料適度育肥相結合等幾個問題;並就提高養牛經濟效益對提高繁殖成活率、充分利用雜種優勢、提高日增重的要求和影響規模牛場經濟效益的主要因素及如何提高養牛科技水平等問題提出探討。
  2. The characteristics of vascular bundle in the first internode and grain - filling of heavy panicle hybrid rice ( hphr ) were studied

    摘要對重穗型雜交稻穗頸節間維管束特徵及其籽粒充實進行了研究。
  3. Effects and physiological mechanism of planting densities on photosynthesis characteristics of flag leaf and grain yield in wheat hybrid c6 - 38 py

    1旗葉光合特性和產量的調控效應及其生理機制
  4. Factor analysis on grain characters in early indica hybrid rice

    早秈雜交稻籽粒性狀的因子分析
  5. Later the government guaranteed loans to farmers so that they could buy farm machinery, hybrid grain, and fertilizers.

    后來,政府保證向農民提供貸款,使他們能夠購買農業機械、雜種穀物和肥料。
  6. Jiunong 712, a new late - cropping hybrid rice combination with good grain quality

    優質雜交晚稻新組合九農712
  7. Many spikelets and good grain - filling were the direct factors for the high yield of sscmts in hybrid rice, and those high - yielding factors relied on high quality seedlings, sturdy individuals, high quality population and vigorous later growth

    「兩超」栽培高素質的「超多蘗壯秧」和本田期健壯的個體生長是其穗足、穗大粒多的前提,而其高質量的群體結構和明顯的後期生長優勢是其籽粒灌漿結實良好和單穗重提高的物質保證。
  8. It was also observed that the “ inter - grain apical dominance ” in hybrid rice was stronger than its restorer, which might be one of the main reasons for low seed setting in hybrid rice combination

    強勢粒對弱勢粒物質攝取能力的優勢,可能是雜交稻籽粒結實率低下的重要原因之一。
  9. 5. the internal ballistics and the throttling performance of 85 % h2o2 - pe hybrid rocket motor loaded with tube grain are studied. the hot firing data of two test motors have been carefully analyzed

    研究了管型藥柱的85 h _ 2o _ 2 - pe固液火箭發動機的內彈道性能和節流特性,分析了兩臺發動機的試驗結果。
  10. Chemical control on lodging and grain dropping of super hybrid rice xieyou

    超級雜交稻協優9308倒伏與落粒的化學控制
  11. These restorer lines showed both stable and uniform agronomical characters and a good restoring ability, and their testcrossing f1 hybrids had a strong heterosis in grain yield, which indicates that the recurrent selection provides an effective way in breeding of three - line japonica restorer lines and makes it possible the commercial production of three - line japonica hybrid rice in north cold rice growing area in china

    這些恢復系性狀穩定,恢復度好,測交f1代產量優勢明顯,表明輪回選擇為粳稻恢復系選育提供了一條新的技術途徑,並使三系雜交稻在北方寒冷稻作區的大面積推廣成為可能。
  12. The results showed that the practice of sscmts in hybrid rice could not only increase grain yield but also save seeds and labors

    結果表明,使用該技術不僅能獲高產,而且能節省種子、勞力等生產成本,是多熟制地區特別是遲栽田及發揮重穗型品種增產潛力的一條重要的高產途徑。
  13. Effect of water stress during grain filling on the grain yield and quality of two - line hybrid rice

    結實期水分脅迫對兩系雜交稻產量及品質的影響
  14. Like any other gramineous crop, hybrid rice keeps 80 % of totally removed k in its shoots after ripening, only about 20 % of k uptake is transported to grain, grain k content was more stable, usually around 0. 5 %

    同其它禾本科作物一樣,成熟后雜交水稻保存總移出鉀的80 %在其莖桿中,只有20 %吸收的鉀轉移到籽粒中,籽粒含鉀量更為穩定,一般約為0 . 5 % (表6 ) 。
  15. In july 2 01, he visited the chinese university as wei lun visiting professor and delivered a public lecture on the recent developments of chinese hybrid rice. during his visit, he expedited and further materialized the research collaboration with professor samuel sun and professor lam hon - ming of the department of biology at the chinese university, and professor maurice ku of the school of biological sciences at washington state university on an genetic enhancement programme of chinese hybrid rice to further improve the grain yield, quality and stress resistance of the super hybrid rice for the 21st century

    袁教授於今年七月訪問香港中文大學,擔任偉倫訪問教授,主持公開講座介紹中國雜交水稻的最新發展;期間,袁教授與香港中文大學生物系辛世文教授、林漢明教授及美國華盛頓州立大學生命科學學院古森本教授落實共同進行一項大型合作研究計劃,通過引入先進生物科技和破解水稻的遺傳基因密碼,結合傳統育種技術,進一步提升中國雜交水稻的產量、質量及抗逆的能力,推動二十一世紀中國雜交水稻的改良工程。
  16. The results showed that : ( 1 ) a very significant increase in grain weight per plant ( gwpp ) of super high - yielding combinations mainly results from more panicles per plant ( ppp ). ( 2 ) the order of contribution to gwpp was panicles per plant, filled grains per panicle ( fgpp ), 1000 - grain weight ( kgw ), spikelets per panicle ( spp ), plumping degree ( pd ) filled grain rate ( fgr ). ( 3 ) gwpp has positive correlation with ppp and fgpp at 0. 01 significant level, with fgr at 0. 05 significant level. ( 4 ) on the background of big panicle hybrid rice gwpp has positive partial correlation with ppp, kgw and pd at 0. 01 significant level, which means any increase in these yield components can increase yield

    結果表明: ( 1 )不同產量水平大穗型組合產量的差異主要受單株穗數差異的影響; ( 2 )產量構成因素對產量的作用大小依次為:單株穗數每穗實粒數千粒重每穗總粒數充實度結實率; ( 3 )單株穗數和每穗實粒數與產量正相關達極顯著水平,結實率與產量正相關達顯著水平: ( 4 )單株穗數、千粒重和充實度與產量的偏相關為正,且達到極顯著水平,說明在大穗的基礎上,單株穗數的增加、千粒重和充實度的提高可以使產量顯著增加。
  17. Since chinese agricultural scientists at the core of academician yuan longping first founded and developed hybrid rice in 1976, hybrid rice has been rapidly popularized and grown at large acreage, made brilliant contribution to china to solve the grain problem

    自從1976年以袁隆平院士為首的中國農業科學家研製成功雜交水稻以來,雜交水稻在中國迅速大面積推廣,為中國解決糧食問題做出了卓越貢獻。
  18. Comparison of grain quality between f1 hybrids and their parents in indica hybrid rice

    秈型雜交水稻雜種與親本的稻米品質比較
  19. Breeding and utilization of indica hybrid rice fengyou simiao with high yield and soft, aromatic grain quality

    高產優質軟香型雜交秈稻豐優絲苗的選育與應用
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