yield improvement 中文意思是什麼

yield improvement 解釋
提高耕地產量
  • yield : vt 1 生出,產生(作物、報酬、利益等)。2 給與,讓與;讓渡;放棄(權利、地位等);交出。3 承認。4 ...
  • improvement : n. 1. 改良,改進,增進;進步。2. 利用,活用。3. 〈美國〉(增高房屋、土地等價值的)裝修,改良措施。4. 更優秀的人,更進步的人。
  1. Studies on genes related to embryo and endosperm development are leading us to an extensive understanding of the mechanisms of seed development and apomixis at the molecular level, which will benefits the research for yield and quality improvement of plant seeds via genetic engineering

    對胚和胚乳發育相關基因的研究,可使人們在分子水平上解析種子發育和無融合生殖的分子機制,更有效地開展植物種子產量和品質改良的基因工程。
  2. Research interest : isolation of functional genes with agronomic importance ; stress responsive regulation, posttranscriptional rna processing, carotenogenesis regulation and crop yield and quality improvement

    主要致力於植物功能基因分離、逆境應答和次生代謝與品質發育的分子調控機制及轉基因生物安全評價等研究工作。
  3. In this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes

    本文將水質預測及水污染控制措施有機地結合,選取水環境容量和污染指數作為水污染控制的參數.這樣,一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進,因為其採用四點隱格式對水質進行預測,推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值,從而制定相應的水污染控制措施.為整體考慮各種污染物的情況,建議採用河流的污染指數進而推求綜合污染指數.總之,本研究為水質保護提供了科學的計算方法,該法對水污染控制及污水對河道水質的影響是實用有效的
  4. Abstract : in this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes

    文摘:本文將水質預測及水污染控制措施有機地結合,選取水環境容量和污染指數作為水污染控制的參數.這樣,一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進,因為其採用四點隱格式對水質進行預測,推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值,從而制定相應的水污染控制措施.為整體考慮各種污染物的情況,建議採用河流的污染指數進而推求綜合污染指數.總之,本研究為水質保護提供了科學的計算方法,該法對水污染控制及污水對河道水質的影響是實用有效的
  5. This study dealt with the identification and evaluation of 8 maize populations from tropical and subtropical regions under the ecological conditions in zhengzhou, henan. results showed that the significant delaying days to shed and days to silk, discoordinating for the development of male and female, higher plant and ear height, more leaf numbers, high barreness, worse performance of ear traits compared with the ck ( temperate population ) were found, which showed the tropical and subtropical populations could not be utilized directly under the ecological conditions in zhengzhou. by using selection and improvement the tropical and subtropical populations can be used to broaden the genetic base of temperate maize breeding, beause of the greater genetic variation and higher selection potential within each population. the different performances of the sensitivity to photoperiod were observed among different tropical and subtropical populations and different traits. the asi, time to silk, ear height, leaf numbers, grain yield per ear could be used as the good evaluation traits for identifying the sensitivity to photoperiod

    對8個熱帶、亞熱帶玉米群體在鄭州生態條件下的表現進行鑒定和評價,結果表明,熱帶、亞熱帶群體散粉、吐絲期顯著延遲,雌雄不協調,植株和穗位高、葉片數增多、空稈率高,結實性差,果穗性狀均明顯劣於溫帶對照,在鄭州生態條件下不能直接利用,但是群體內具有較大的遺傳變異和選擇潛力,可以用來拓寬現有玉米種質的遺傳基礎;不同熱帶、亞熱帶群體的光周期敏感性不同;不同性狀對光周期反應的敏感程度不同, asi 、吐絲期、穗位高、葉片數、穗粒重可作為鑒定光周期敏感性的較好指標
  6. This paper summarized the principle and techniques of virus - free in horticultural plants, which will provide theory basis for the improvement of yield and quality of horticultural plants

    通過全面總結園藝植物病毒脫毒原理及常見方法,為提高園藝植物的品質與產量提供參考。
  7. Others set defined target improvement rates for internal operations such as on - time delivery, cycle time, defect rate and yield

    其他的公司確定內部運營方面的目標改進指標,如準時交付、周轉時間、次品率和產量。
  8. It has been proved that morphological improvement combined with utilization of heterosis is one of the most important ways to raise rice yield ceiling genetically

    摘要理想株型與雜種優勢利用相結合是實現水稻單產突破的重要途徑之一。
  9. The development of new catalyst is of significant importance for the conversion, however it is difficult to obtain high yield and high selectivity merely via the improvement of catalysts

    但要同時得到甲烷活化的各類反應高活性、高選擇性及高收率,單純改進催化劑是難于達到的。
  10. In some processes, quality losses of “ yield ” and losses associated with transitions from one product to another become big opportunities for improvement

    在一些生產流程當中,產出量的質量損失以及產品間切換的時間損失都是改進的大機會。
  11. Technical regulations on improvement of low yield timber forest

    低產用材林改造技術規程
  12. Mass run product yield maintenance and enhancement. provide weekly improvement plan base on yield

    量產產品良率維護和改善。根據當前良率提供每周改善計劃。
  13. Monitoring process defect, especially wave soldering defect, provide improvement action online to improve the yield

    監控製程缺陷特別是波峰焊缺陷,要及時提供改善措施改善製程良率。
  14. The analytical solutions for the utilization of chlorine and the yield of singlet oxygen were obtained, which agree with the experimental results and are helpful for further improvement and optimization of the jsog

    通過邊界條件,採用試探解的方法,解得氯、總氧、單重態氧的氣相、液相擴散方程,得到了氯的利用率,及單重態氧產率的解析解,與實驗結果基本相符。
  15. Comparing with these several strengthen formal, towards strength limit ' s improvement, the effect of torsion - tension and tension - torsion - tension was close ; simply tension - torsion - tension required a little larger prestrain quantity. whereas, towards yield limit " s improvement, the effect of torsion - tension - tension action ' s strengthen was the best

    從幾種硬化形式的比較來看,對于強度極限的提高,扭轉-拉伸和拉伸-扭轉-拉伸的強化效果相近,只是拉伸-扭轉-拉伸所需的預應變量要大一些;而對于屈服極限的提高,扭轉-拉伸-拉伸作用下的強化效果最佳。
  16. There are three factors, input factors, technical improvement and technical efficiency, influence the increase of maize yield

    影響玉米單產增長的諸多因素大概可以歸納為三類,一是要素投入,二是技術進步,三是技術效率。
  17. However, the declining contribution of varietal improvement since 1997 means that governments should encourage breeders to explore elite germplasm, improve breeding level, and enhance yield so that varietal improvement can contribute greater to rice production

    鑒於此,政府應鼓勵育種人員進一步發掘優異種質,提高水稻育種水平,突破目前單產停滯不前的現象,從而更好地為水稻生產服務。
  18. Based on the point of image - based rendering, and the technology of virtuality and reality combining, it yield the conception of virtual globe and its related thought, and takes the dispersed pixel element mutation as the nucleus, the principle of utilization geometry and graphics, 3d walk around is realized and true sense controls waits has carried on a series of research, has put forward the corresponding mathematical model, and has been in progress the improvement, and has got the better result to the tradition method

    本文從基於圖像生成的角度出發,由虛實結合的構思引出了視球及其相關概念,並以離散的像素變換為核心,利用幾何學和圖形學的原理,在三維漫遊的實現及真實感控制等方面進行了一系列的研究,提出了相應的數學模型,對傳統方法進行了改進,得到了較好的結果。
  19. The experiment settles the foundation for its further application and offers the basis for the yield ' s improvement of the basic magnesium chloride whisker

    本研究為提高堿式氯化鎂晶須合成產率以及晶須的應用開發提供了一定的理論依據。
  20. Report and discuss the test yield maintained currently to supervisory for yield improvement purpose

    向上級主管報告並討論測度率的維護以達到改進的目的。
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