yield factor 中文意思是什麼

yield factor 解釋
產出率
  • 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 ...
  • factor : n 1 〈英國〉經銷人;(代客買賣收取傭金的)經紀人;代理商;代辦人;〈蘇格蘭語〉 土地經管人。2 要素...
  1. On the basis of investigations into the progressive yield process and the possible failure modes of rcc gravity dams, the quasi - elasticity design limit state of the ctrtical stability criterion is proposed and the real working state of the dams designed according to the ctriterion is discussed. a check formula using the material strength reducing factor as the safety index and a simplified formula similar to against sliding stability fromula are derived. finally, the corresponding design safety factors are given by using fem calculations with various influence parameters to be taken into account

    本文在研究碾壓混凝土重力壩漸進破壞過程和可能失穩方式的基礎上,提出了以準彈性臨界作為穩定臨界準則的設計極限狀態,分析了按該準則設計的大壩的實際工作狀態,導出了以準彈性強度儲備系數為設計安全指標的審查公式以及形式與抗剪斷公式相同的簡化公式,探討了定量計算考慮各種因素影響的相應設計安全系數的合理取值,並與現行規范方法進行了比較
  2. Based on the situation of demand exceeds supply in the market, the author would like to find out the constraints of the water chestnut development by use of pra ( participatory rural appraisal ) in a survey to carry out stakeholder analysis including the water chestnut farmers, government and processing companies. also, the author applied a tool of system theory to analyze the constraints of water chestnut plant production development. the results are as following : the study shows that a main factor that restricts the plant yield ( per unit yield ) and quality ( product quality ) of water chestnut is the low level of prevention and control of water chestnut culms damping - off ; a disease of the water chestnut

    針對賀州市荸薺產業發展中的「銷大於產」的突出矛盾,筆者通過運用pra (參與式農村評估)方法,對荸薺種植區的農戶、政府機構、加工流通企業等進行了調查研究,並運用系統科學的方法對荸薺種植系統的不同組成因子的制約因素進行分析,得出研究結論如下:農戶對荸薺稈枯病害的綜合防治水平偏低,制約其荸薺種植的產量(單產)和質量(商品質量) 。
  3. So we consider five financial indexes includes stock b / p, e / p, current stock size, current stock stru and financial levge by the international tradition, then descriptive statistical test method and cross section statistical test method proved that b / p and current stock size have marked effect on the securities yield besides coefficient b. in the third chapter, the article fut forward a risk factor model, estimates yield sequences of every risk factor by weight regression, and then estimates each risk factor coefficient of different stock by time sequence regression, at last we can reckon the portfolio risk o2p and yield rp which consists n stocks

    結合國際慣例,文章考慮了股票的凈值市價比( b p ) ,市盈率倒數( e p ) ,流通規模( size ) ,流通比例( stru )和財務杠桿( levge )等五個財務指標,應用描述性統計檢驗和橫截面統計檢驗等多種方法,結果表明,除系數以外,凈值市價比( b p )和流通規模( size )對證券收益率部有重要的影響。在論文的第三章,提出了一個基於多因素的風險因子模型,並用加權回歸和時間序列回歸等方法估計出了不同證券的各風險因子系數(類似於單指數模型中的系數) ,據此,即可衡量出一個包括n只股票的組合的風險_ p ~ 2和收益率r _ p 。
  4. The principal component analysis of influent factor of the grain - yield in rice

    水稻產量影響的主成分分析
  5. Result of screenhouse pot experiment indicated that the most important yield limiting factor in the two soils was phosphate

    網室盆栽試驗結果表明兩種土壤中最重要的產量限制因素為磷。
  6. The result of experimentation on coupling effect of water and fertilizers on spring corn in the three gorges reservoir area indicate that water stresslead the effect low of highness and lai, and the most effect is made in shooting stage ; it has a significant positive correlation between the yield of corn and biomass, and hasn ' t none significant positive correlation between the yield of corn and the weight of roots ; the coupling effect of water and n is significant, but the coupling effect of water and k is not significant, the maximum yield of corn condition fitting - water and medium n, corn absorbs n has a threshold value during the growth, and using superfluous n is able to prick up soil drought and crop drought ; water is the leading factor which effects the yield of corn, next is n and k

    摘要三峽庫區春玉米盆栽水肥耦合試驗研究結果表明,水分脅迫導致玉米株高和葉面積指數降低,以拔節期受到影響最大;玉米產量與生物量呈顯著正相關關系,產量與根重無顯著正相關關系;水氮耦合效應顯著,適宜水分和中氮處理下玉米的產量最高,玉米生長發育對氮肥的吸收存在一定的閾值,過多施用氮肥會加劇土壤乾旱和作物乾旱,水和鉀耦合效應對玉米產量影響不顯著;水分是影響玉米產量的主導因素,其次是氮效應和鉀效應。
  7. Factor analysis model is constructed to analyze variables influencing yield and sown area in grain production

    摘要在建立因子分析模型基礎上,本文對中國糧食單產和播種面積的影響因子進行了實證分析。
  8. A factor analysis model is constructed to analyze variables influencing yield and sown area in grain production

    摘要在建立因子分析模型基礎上,本文對中國糧食單產和播種面積的影響因子進行了實證分析。
  9. The results show that there exist certain differences among four cultivars and the capitalum ' s quantity in the single plant is the main yield factor

    結果表明,藥用白菊花4個栽培類型在植物學性狀方面存在一定的差異;單株頭狀花序的數量是構成藥用白菊花產量的主要因素。
  10. Based on multi - factor orthogonal designed field experiment, the ridge regression models of seed yield components and seed yield of the 6 grass species are founded through ridge regression analysis with big samples

    摘要採用多區組多因素正交試驗設計,通過大樣本嶺回歸分析求出6種禾本科牧草種子產量因子與產量的嶺回歸模型。
  11. Abstract : based on the data from the runoff plots, analyzed on the regularity and affected factor of the runoff and sediment yield in the farmland with different underlayer condition in the loess hilly areas of changwu county, shaanxi province, and point out that the main factor which affect the runoff and sediment yields in the farmland of the loess hilly areas are the intensity of precipitation, the time of precipitation, slope and the mulching condition

    文摘:以徑流小區的觀測資料為依據,對陜西長武不同下墊面條件農田產流產沙規律及影響因素進行了分析,指出降雨強度、降雨歷時、坡度和覆蓋條件是影響黃土溝壑區農田產流產沙的最主要因素。
  12. ( 8 ) the most limited factor to the sustainable land use is the water resource, due to the increase of the crop yield and the crop sowing area, so it is important for sustainable land use to decreasing irrig

    門)士地利用變化及其效應的可持續評價表明,曲周縣存在的最主要的不可持續因素是耗水作物的大面積種植造成的水資源壓力,局部地下水硝態氮和重金屬含量超標,對區域的種植結構調整。
  13. Soil moisture availability is the major factor limiting the area sown to crops and their yield

    土壤水分有效性是限制栽培作物面積及其產量的主要因素。
  14. In the coming years, water will be the first restraint factor to realizing yield potential of winter wheat in shunyi district, 3

    而實際灌溉條件下產量達到5946kg hm ~ 2 ,由此可見不同水分限制條件下產量呈現較大差異。
  15. After studying the contents with " sx - 10 law " concerning the oil and gas ( o & g ) cost of the international oil company, the article has systematically analyzed and compared the sinopec and foreign oil company ' s o & g cost ' s differences, such as its classifications structures, and cost accounting etc. by analyzing the international oil company ' s common o & g cost ' s movement tendency and rule which has been outlined and showing in the recent 10 years, that is between 1991 and 2000, the article has compared and studied the differences in o & g costs between the sinopec and foreign oil company, furthermore, it has taken impersonally part the real and internal reasons in details which has resulted in the differences at home and abroad. for instance, it has concluded the reasons that contribute to the long - lasting higher production cost of the sinopec upstream in three aspects : firstly, it is due to the difference in its resource stratagem, that is, the foreign oil company can realize their o & g resource optimization by the way of resource electing and o & g assets replacement in the world market ; secondly, since most of the sinopec key oilfields have been in the middle or last development period which characterizing the " three high " ( high water containing, high yield and high lifting rate ), it has been an impersonal rule with a higher level of production cost ; finally, another factor resulting in the higher production cost lies in the execrable operating and social environment which has been facing by the domestic oil company and a great amount of non - producing payout which owes to the bad environment

    本論文從美國證監會( sec )對國外石油公司油氣成本的《 sx4 - 10條例》的內容研究出發,系統地分析和比較了中外石油公司在油氣成本的分類、構成以及核算等方面的差異,並結合近十年來( 1991 - 2000 )國外石油公司油氣成本的變化趨勢和變化規律,對中外油氣成本結構和變化呈現出的差異進行了比較和研究,並就導致該差異產生的深層次原因進行了客觀翔實的剖析,文章特別指出,造成中石化上游油氣生產成本居高不下的原因有三個方面: ( 1 )資源戰略方面,國外石油公司可以通過資源優選和資產置換來實現油氣資源的最優化選擇: ( 2 )從開發程度上,中石化上游普遍進入以「三高」為特徵的開發階段,生產成本高是客觀規律: ( 3 )企業面臨的惡劣經營和社會環境以及由此產生的大量非生產支出,也是構成企業生產成本較高的原因之一。
  16. While the plan has helped to reduce the heavy concentration of issuance at the short end of the efbn yield curve, the change was most notable in the six - month to two - year segment due to the time decay factor and the less frequent issuance and smaller issue size of longer date efn

    該計劃有助減少外匯基金票據及債券收益率曲線集中於短期票據的情況,但由於時間消減因素,加上發行長期外匯基金債券的頻密程度較低,次數亦較少,上述安排帶來的轉變在6個月票據及2年期債券方面最為明顯。
  17. It realized the spatial interpolation software grounded on geostatistics seamlesslly integrated with the system using the way of oop and the technology of ole / activex based on com. using vector - grid spatial - overlap analysis to solve the limitation of the grid and general vector data structure in the course of creating prescription, it made fertilizer prescription founded on the main factor of soil nutrient and yield - target. also it effectively integrated comgis with exper t system using the technique of loose coupling

    以面向對象的設計方法為基礎,利用「組件對象模型」基礎上ole / activex技術實現基於地統計學的空間插值軟體實現及與施肥處方系統的無縫集成;應用基於矢量網格的空間疊加分析方法解決柵格和常規矢量數據結構在處方生成中的局限,生成了基於土壤養分和目標產量為主要因素的施肥處方;利用鬆散耦合技術將comgis與施肥專家系統進行有效集成;充分考慮施肥機對施肥處方數據結構要求,在wgs - 84坐標系下採用具有柵格單元的矢量施肥處方。
  18. The most important limiting factor for wheat yield in this cropping system is late planting

    該種植方式中最重要的小麥限產因素是遲播。
  19. 23 drought - resistant germplasm were selected as study material from more than 1000 locale maize germplasms collected in guizhou. 11 characters including plant form, yield factor, asi ( time from scatter farina to take out thread ) that relate to drought - resistance were studied

    摘要以從貴州收集保存的1000多份玉米地方種質資源中篩選出的23份抗旱種質為材料,對其植株形態、產量因素、 asi (散粉與抽絲間隔時間)等11個性狀進行田間觀測,研究評價其抗旱適應性。
  20. Factor analysis indicated that the first five principal components accounted for 91. 472 % of the total variation, therefore could summarize most of the variation. three factors could summarize majority variation, which were named as morphological factor, yield factor and growth factor respectively

    因子分析表明,前五個主成分佔了91 . 472的變異,可以概括出幾乎全部的變異,我們把可以概括大部分變異的三個因子分別命名為形態因子、產量因子和生長因子。
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