yield loss 中文意思是什麼
yield loss
解釋
收得率損失-
Soil is the base of agriculture production, the key measure to prevent water and soil loss is to conserve soil, but most soil nutrient is lost with the sediment loss, and serious water and soil loss make the soil thickness degrease, the soil nutrient be deficient and lean, the land quality degrade and the yield of plant decrease, all this results is going to threaten the people ' s transplanting and the agriculture sustainable development, and restrict the economy development of three gorges regions
同時，土壤是農業生產的根本，治理水土流失的關鍵是要保住土壤，而土壤養分絕大部分是隨著泥沙流失的，嚴重的水土流失造成土層淺簿、養分貧瘠，土地質量退化，產量下降，對三峽庫區移民工作和農業可持續發展造成嚴重威脅，制約三峽庫區經濟發展。因此進行三峽庫區坡耕地土壤侵蝕機理研究，探索減輕坡耕地土壤流失的方法措施，具有全局性的重大意義。 -
Geographic distribution of winter wheat yield loss risk and its classification in north china
北方冬小麥產量災損風險類型的地理分佈 -
Primus necrotic ringspot virus ( pnrsv ) is distributed extensively in america and europe, resulting in serious yield loss in fruit trees, vegetables and other crops. pnrsv has not been reported in china by now, and is an important quarantine virus in china ( on the a2 list )
李壞死環斑病毒在歐美廣泛分佈，可侵染許多種重要的果樹、蔬菜、花卉作物，引起嚴重病害甚至死亡，但在我國的存在尚無正式的報道，是我國對外檢疫二類危險性生物。 -
Barley yellow dwarf virus often leads to a serious loss in the yield of wheat. but at present, we have not find excellent genes resistant to bydv in wheat, so transferring the excellent genes from relatives to cultivars of wheat will be a good method
因此，植物耐鹽、耐黃矮病、耐蚜蟲等機理和相應耐性植物的培育，乃至相應耐性相天基因的分離與克隆及其基因工程育種的研究正在受到人們越來越多的關注。 -
Results showed that by using straw and plastic film dual mulch in dry - cultivation of rice planting, both of the range of temperature difference and the loss of water in dry - cultivated field of rice were decreased, the soil structure was improved, the soil nutrient contents were increased, the ineffective tillers of rice plant were decreased, the growth and development stage were advanced, the filling stage was extended, the grain per ear and 1 000 grain weight were raised, the grain yield of rice increased obviously
水稻秸稈+地膜二元覆蓋旱作栽培效應的研究結果表明，秸稈+地膜二元覆蓋旱作稻田土壤變溫幅度降低，水分散失減少，結構改善，養分積累增加；水稻無效分蘗減少，生育轉變提前，灌漿結實期延長，穗大粒多，千粒重高，增產效果顯著。 -
The merits are : ( i ) earlier grinding and earlier annual entry to the market of new sugar products ; ( ii ) prolonging the grinding period and enhancing the work productivity and the effective utilization of equipment ; ( iii ) solving the conflict of lacking grinding capability with traditional concentrated harvest of raw sugarcane ; ( iv ) lower the quantity and quality loss from freeze injury of raw cane ; and ( v ) proper income increase of sugarcane growers due to the increases of both sugarcane yield and price
采納10月開榨配套技術可以使我國甘蔗糖廠提早10月開榨，使新糖提早上市搶市場，一定程度上克服我國糖廠榨季及產品相對集中的問題；延長榨季，提高設備利用率和勞動生產率，提高蔗糖業經濟效益；可一定程度上解決原料蔗產量增長過快與糖廠壓榨能力相對不足的矛盾；減輕可能的霜凍危害造成的原料蔗產量和質量損失。可以使蔗農通過單產提高和蔗價適度增加而提高收入。 -
The best irrigation system can instructs the best distributed water quantity and the irrigated time under the condition of lacking water. thus, we can obtain the maximum relative yield and the least loss
優化的灌溉制度可用於指導在不同的缺水程度下如何在時間上定量分配水量，以使相對產量最大，減產損失最小。 -
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。 -
Experiment on cucumber in greenhouse showed that, compared with traditional flooding and fertilization techniques, technology of integrated management of water and fertilizer on cucumber in greenhouse could save water and fertilizer, reduce relative humidity of greenhouse and heat loss, improve physical and chemical property of soil, it could increase yield and improve quality of cucumber, raise income and reduce cost
摘要通過水肥一體化技術與傳統畦灌沖施肥技術對比試驗分析，明確了大棚黃瓜水肥一體化技術效應主要是節水、節肥、節藥、降低棚內空氣濕度和保持棚內氣溫，有助於土壤理化性狀的改善，取得提高產量和品質、減少投資、增加收入等效應。 -
Ceramic grain filters ard made of refined pottery clays added with certain modifiers, and processed of grinding, mixing, shaping and high temperature sintering. they do not contain any substances that harmful to people or environment. they are hard and rough in surface, porous inside the structure, and have the advantages of high mechanical strength, large specific surface area and porosity. when used in water treatment, they behave a activated surface property, a great amount of pollutant entrapment, less water head loss in the filter bed, lower consumption of back - flush water, stable in chemical and gbiologic property, and long service life, ceramic grain filters is a new and efficient filter material to increase the water yield, upgrade the water quality, and save chemicals and energy
陶粒濾料是以精製陶土為主要原料，摻加適量改性劑，經粉碎，混練，成型和高溫煅燒而製成的，不含任何對人體和環境有害的物質.其表面堅硬，粗糙，內部疏鬆，多孔，具有機械強度高，比表面積大，孔隙率大的特性.用於水處理中，具有表面性狀好，截污能力強，過濾水頭損失小，反沖洗耗水量低，化學穩定性和生物學穩定性好，使用壽命長的特點.陶粒濾料是一種能增加水產量，提高出水質量，節省藥劑和能耗的新型高效過濾材料 -
And the influence of water condition to growth and yield of crops were discussed briefly. then based on the meteorological data, yield data, drought and flood data of jiangsu province from 1961 to 2000, the water profit and loss of every ten days in the growing period of crops was calculated on the foundation of the water balance formula in every agriculture climate district. the disaster index of drought and flood was confirmed and calculated
根據江蘇省近40餘年的氣象資料、產量資料和旱澇災害資料，分農業氣候區利用農田水分平衡方程計算了不同作物逐旬水分盈虧量，確定了旱澇災害指數，並用多元積分回歸方法分析了降水對棉花和小麥產量的定量影響，得出作物生長期內逐旬水分敏感指數。 -
The conclusion is that iron ceramics media has a lot of advantages over sand media in the fields of filter run and yield. it has good quality of little hydraulic pressure loss, longer period and capabilities of impurity
結果表明，塗鐵陶粒濾料濾池具有過濾水頭損失小、運行周期長、截污能力強的優點，其過濾性能優于石英砂濾料濾池。 -
( 4 ) after we lower their p / e ratio, the firms with bad earning character can gain excess yield in bull market, and it can reduce loss in bear market
（ 4 ）盈餘品質較差的企業，如果將其市盈率倍數調整降低后，發現在股市繁榮時，同樣也能獲取超額報酬，而在股市疲弱時，也能把損失金額降至最低。 -
Especially for the high performance and quality of super - smooth optical glass substrate that includes mechanically polished optical substrate and chemical - mechanically polished optical substrate, particulate contamination becomes the main problem of total yield loss
光學基片是光學器件中的重要元件，提高光學器件性能的一項關鍵技術就是進一步改善光學基片的表面特性。 -
It may, upon its own examination and decision, extend close - ended loans to the state - owned loss - incurring enterprises with order forms, yield from production, export or foreign contracted projects under the precondition of effective prevention of risks
對國有虧損外經貿企業有訂單、有效益的產品生產、出口或對外承包工程項目，在有效防範風險的前提下，可以自主審查決定向其發放封閉貸款。 -
In order to provide the foundation for the policies to be usefully put in practice, taking yangou basin as a case study and using day - by - day meteorological data of yanan station in 1997 to 2002, it simulated and analyzed the quantitative relation between soil and water loss and topographic condition by the aid of win - yield software
為使生態退耕政策得到有效落實，本文基於win - yield軟體，以延安燕溝流域為例，利用1997 ~ 2002年延安站的逐日氣象數據和燕溝流域地貌、土壤及土地利用等資料，模擬分析了不同地形高程、坡度和坡向條件下坡耕地種植不同作物可能產生的水土流失量及其地形分異特徵。
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