yield factors 中文意思是什麼

For edible chrysanthemum, flower yield was compared between the two varieties, japanese summer chrysanthemum no. 1 and japanese summer chrysanthemum no. 2, and factors affecting yield and anthesis studied

（ 2 ）以食用菊花日本夏菊1號和日本夏菊2號為材料，對品種間的產花量差異及定植密度和定植期對產量和花期的影響進行了試驗研究。

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

These two factors conspire to cause a temperature runaway with drastic lowering in yield.

這兩個因素合起來引起溫度失去控制，同時產率急劇下降。

The aromatic factors of liaohe decanted oil are much higher than those of daqing decanted oil at the same cumulative yield

在相同累積收率時，遼河油漿窄餾分的芳碳率遠大於大慶油漿窄餾分。

In recent years, the water - saving and control irrigation technique of rice has diverted from plot experimental and demonstration to lare scale. and has got remarkable economic and social benefits. amed at the characteristics of this irrigation area, optimal selection for water - saving techniques of rice, deciding the amout of leaching water and irrigation modles, investigating the adaptability of the water - saving and control irrigation technique in saline land. studying the increase in production mechanism of the technique are important to extend the technique, to better and develop saline land as well as slick spots. according to the results of field experiments, optimization study was conducted on the water - saving irrigation technique of rice in saline land, the effects of different water - saving irrigation techniques on the physiological indexes and yield of rice were systematically analyzed. by using mutiplepurpose fuzzy optimization method, better. water - saving irrigation technique was selector out, that is. the control irrigation technique in rice. the mechanism of it was analyzed from the aspect of the physiological and ecological saving water of rice to provide the implemental process and technical point ; throgh the quantitive analysis and comparision on control irrigation and control class ( flood irrigation ), high production and quality mechanism of the technique was analyzed in terms of physiology indexes of rice, the variation of soil moisture, the pest resistance and the lodge resistance, the change of soil temperature in paddy fields. the yield constitutive factors, the quality of rice and so on. in saline land. control irrigation and intermittent leaching modles were adopted to validate the adaptability of the technique in irrigation of rice in saline land, to analyze rice ' s physiological - ecological indexes and the change of soil salt content under the conditions of control irrigation leaching of rice and and to provide control irrigation and combined modle of intermittent leaching to adapt to different conditions

本文從試驗及試驗資料入手，取得以下主要成果和結論：對鹽堿地水稻節水灌溉技術進行優化研究，系統地分析了不同節水灌溉技術對水稻生理指標及產量的影響，採用了多目標模糊優化的方法，對灌水技術進行綜合評判，優選了節水灌溉技術，論證該地區宜採用水稻控制灌溉技術；闡述控灌技術通過調節和控制水稻的需水規律，降低水稻高產情況下的無效水量消耗，從水稻生理、生態節水兩方面分析了控灌技術節水機理，針對性地總結出水稻各生育期實施節水控灌技術的步驟及技術要點；通過控灌與淹灌的定量對照比較，從根系、莖蘗、冠層葉片及綠葉動態到株高，土壤水分變化，抗病蟲害、抗倒伏能力，稻田土溫變化，產量構成因素及稻米品質等諸多方面進行動態比較，分析控灌技術高產優質機理；在鹽堿稻地採用控制灌溉+間歇淋洗模式，跟蹤測試田間水鹽變化狀況，驗證控制灌溉技術在鹽堿地區水稻灌溉中應用的適應性，通過分析水稻控制灌溉淋洗條件下水稻生理生態指標，提出優化控制灌溉+間歇淋洗組合模式，為進一步在高礦化度地區試驗水稻控灌技術奠定基礎。

The empirical analysis, using probit model, showed that the extension efficiency of the technique was obviously affected by following factors : income and cost, yield increase, farmers " age and education, non - agricultural income, farmer ' s social status, distance from town, frequency of farmers " contact with media and agricultural technicians

運用probit模型對超高茬麥田套稻技術推廣的影響因素進行分析，結果顯示畝增收節本、畝增產量、戶主年齡、戶主受教育時間、非農收入、是否幹部、離鎮距離、媒介頻率、與農技人員接觸次數對該技術的推廣有顯著影響。

The factors affect the adoption of the technology are as follows : ( i ) sugar content in sugarcane and ripeness of the cane crop ; ( ii ) the market prices of sugar and sugarcane in october and related incentive measures ; ( iii ) sugarcane average yield and total output of raw cane ; and ( iv ) sugar mill management the technology will not be adopted unless the above conditions are satisfied

影響糖廠10月開榨配套技術采納的主要制約因素有：甘蔗品種蔗糖分和成熟度、 10月份市場糖價、蔗價及相關激勵政策、甘蔗單產、原料蔗總產和糖廠管理等。其中甘蔗蔗糖分和成熟度是10月開榨最主要的制約因素。只有滿足上述有關條件，才能采納10月開榨配套技術。

During the process for production of inositol, the technological parameters and operation methods in several stages of preparation, acidolysis, neutralization, ion exchange and refining are very important factors influencing the quality and yield of products

摘要在肌醇的生產工藝中，原料預備、酸解、中和、離子交換、濃縮、精製幾個工段的工藝參數和操作方法，對產品的質量和得率影響很大。

The following conclusions are summarized from this empirical study ; ( l ) the " expected pretax monthly returns of stocks are positively correlated to dividend yields. investors need higher pretax raturns to offset the disadvantages of dividend tax, ( 2 ) the effect of dividend tax is significant on ex - dividend - day and monthly yield, but the tax effect on yearly yield is not confirmed, ( 3 ) there are other factors affecting stocks " expected returns besides tax during the ex - dividend days

對紅利徵收所得稅影響投資者我國股利政策稅收效應的實證研究的實際收入，投資者因此需要更高的期望收益以彌補稅收帶來的損失： （ ）股利所得稅對股票除權日和股利支付月份的期望收益率影響明顯，但對年期望收益率的影響沒有得到證實； （ 3 ）股利發放期間，除了稅收的影響作用外，還有其他因素對股票的預期收益率產生影響。

Analysis on yield formation factors of dry rice with dry - land seeding and rice with dryland cultivation

旱稻旱種與水稻旱栽產量構成因素分析

Twenty f1 combinations crossed among 5 varieties and strains different in fiber properties according to complete diallel crossing design were used to evaluate the heterosis and gene action of boll weight and lint percentage in high quality fiber property varieties in upland cotton in 1998 1999 for two year successively at nanjing. it was indicated that there existed small interactions with the environmental factors without maternal effects and the additive gene effect was in chief, attaining to 51. 2 % and 65. 4 % respectively for boll weight and lint percentage. the dominant effect was also in higher rate, 32. 6 % and 16. 8 % respectively. the population mean heterosis of boll weight and lint percentage over the mid - parental mean were relatively prominent 13. 3 % and 3. 5 % respectively in extreme significance. however, boll weight showed no significantly surpassing parental f1 heterosis over the better parent based on population mean ( 2. 0 % ) ; while the lint percentage expressed significant negative heterosis value ( - 2. 1 % ). the gene actions were in conformity with the heterosis expression. it was shown clearly that the f1 combinations crossed between parents with similar performances had relatively high dominant effects and significant positive f1 surpassing parental heterosis ( f1 heterosis over the better parent ) ; while no f1 combination crossed between the parents with prominent mutual difference surpassed the higher parent in yield components, which indicated that among those parents with less difference and close relationships, there still existed sufficient genetic variation or certain mechanism for creating variation and achieving greater advances in breeding. correlation analyses also indicated that there still existed severely undesirable negative correlation between yield and fiber properties as well as the difficulties for their simultaneous improvements

利用5個具有不同纖維品質性狀的品種（系）配製完全雙列雜交組合20個，通過親本和f1的2年隨機區組試驗發現產量性狀的鈴重和衣分與環境的互作效應小，不存在母體效應，並以加性遺傳效應為主，分別占表型方差的51 . 2 %和65 . 4 % ;顯性遺傳效應所佔的比率也較高，分別為32 . 6 %和16 . 8 % .鈴重和衣分的群體平均優勢較大，分別為13 . 3 %和3 . 5 % ，達到了極顯著;鈴重的超親優勢為2 . 0 % ，不顯著;衣分為顯著的負值（ - 2 . 1 % ） .遺傳分析與雜種優勢結果一致.具體表現在產量性狀上，親本相當配製的組合雜合顯性較高，其超親優勢正向顯著，而極值親本（差異較大）所配組合沒有超過高親的.這表明親本差異小、親源關系較近的親本中仍然存在足夠的遺傳變異或某種機制以創造變異使育種取得更大的進展.相關分析表明了仍然存在嚴重的品質與產量的負相關，遺傳改良的難度較大

The topographic feature is one of the main factors that influence the process of soil erosion and sediment yield of small watershed. the quantitative parameters of small watershed topographic feature are average watershed slope, average slope length, gully density and so on, which are based on the quantitative method of slope character and do not reflect the essential character of the small watershed topographic feature, which are complex

地貌形態是影響小流域侵蝕產沙的主要下墊面因素之一，其量化參數一般繼承坡面地貌特徵量化方法（如坡度、坡長因子）而採用平均坡度、平均坡長及溝壑密度等參數，這些參數僅是對流域地貌形態的概化和單因子表達，沒有真正反映流域地貌形態復雜的本質特徵和相互聯系。

Studied the liquid - phase synthesis of butyl acetate from n - butyl alcohol and acetic acid using the supported heteropoly blue as catalyst. examed several factors imposing on esterification. the results revealed : using this catalyst, the reactions conversion percentage reaches nearly 100 %, product yield is 98. 9 %, selectivity is 98. 9 %. reusing it 10 times, the efficiency is still well. in addition, using this catalyst, the reactions temperature is mild, the reaction time is short and the equipment hasnt any erosion. furthermore, there is no “ threewastesdischarge

對以負載型雜多藍為催化劑的乙酸與正丁醇的液相酯化反應進行了研究.考察了影響酯化反應的因素.結果表明：以負載型雜多藍為催化劑，酯化反應轉化率接近100 % ，收率可達98 . 9 % ，選擇性為98 . 9 % ，重復使用10次催化效果仍好.該催化劑還有反應條件溫和、反應時間短、對設備無腐蝕、無三廢排放等優點

With orthogonal polynomial the relationship between middle - season rice yield and meteorological factors ( air - temperature, precipitation, sunshine - time ) during ear differentiation, heading and seeding stage of middle - season rice over the years in jingzhou city was analysed

採用正交多項式法分析了荊州市歷年中稻稻穗分化期和抽穗結實期的氣象條件（溫度、降水、日照時間）與中稻產量的關系。

The influence of climatic ecology factors on the yield and quality of flue - cured tobacco and the countermeasures of planting tobacco in jiangxi

氣候生態因素對烤煙產量與品質的影響及植煙措施研究

This thesis aims at discussing the model of manufacturing defects, the principles of soft and hard faults induced by manufacturing defects, the effects of soft fault on circuit reliability and yield and the relationship between yield loss and reliability decrease caused by manufacturing defects. the author ' s main contributions are as following : reliability and yield are two significant factors to semiconductor manufacture. based on the principles of the manufacturability engineering, the thesis discusses the effects of the manufacturing defect on the functional yield, parametric yield and the reliability for ics, and abstracts geometric models from actual chips

本文對集成電路製造缺陷模型、由製造缺陷導致的軟、硬故障的作用機理、軟故障對電路可靠性和成品率的影響以及由製造缺陷導致的電路成品率的損失和可靠性下降之間的關系進行了系統的研究，主要研究結果如下：可靠性和成品率是影響半導體生產的兩個主要因素，本文首先從集成電路的可製造性工程理論出發，討論了製造缺陷在影響集成電路功能成品率、參數成品率和可靠性方面的作用。

Greenhouse experiment verified that n, p, k, s and probably zn, were the yield limiting factors in the soil

溫室盆栽試驗證實氮、磷、鉀和硫是該土壤的產量限制因子，鋅也在一定程度上限制產量。

Using the complex potential method in the plane theory of elasticity of an anisotropic body, a series solution to the stress field of a finite plate containing multiple cracks subjected to arbitrary loads is obtained by means of the faber series expansion, and the stress intensity factors at the crack tips are calculated based on the theories of fracture mechanics. equivalence yield stress is introduced in order to consider the effects of the plastic zones, with which the strip yield criteria is developed in the article so that the effects of structural size and the crack interactions on the stress distribution can be considered accurately. the effects of plate size, crack size and crack distributions on the stress intensity factors as well as the residual strength of the plate are studied detailedly

採用各向異性體平面彈性理論中的復勢方法，以faber級數為工具，得到了含多裂紋有限大板在任意載荷作用下應力場的級數解，並應用斷裂力學方法確定裂紋尖端的應力強度因子；引入當量屈服應力考慮裂尖塑性區的影響，提出基於帶屈服準則的剩餘強度分析模型，能夠充分考慮結構尺寸和裂紋之間相互作用對應力場的影響；通過數值計算詳細討論了結構尺寸和裂紋之間位置關系對應力強度因子和結構剩餘強度的影響規律，得到了一系列對工程應用具有實用價值的結論。

Effect of the factors of soil water and fertilizers on yield of spring corn in horqin sandy land

沙地農田肥水因子對春玉米產量形成的影響

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。