specific yield 中文意思是什麼

specific yield 解釋
單位產量
  • specific : adj 1 特殊的;特有的;特定的,專門的。2 明確的,具體的。3 【生物學】種的;【細菌】專性的。4 【醫...
  • 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 ...
  1. As the old specific water yield apparatus can not put up visually the influence of water level and its decrease depth on the specific water yield of incompact soil sample, a new apparatus is designed

    摘要針對原有給水度實驗儀不能直觀反映地下水水位埋深及其降深對給水度影響的缺點,設計了能採用柱體法測定鬆散土體試樣的給水度的實驗儀。
  2. Alternatively, one may utilize the wave equation and appropriate boundary conditions to yield a specific solution.

    另外,我們也可以利用波動方程和適當的邊界條件以得出一個特解。
  3. This study run through the basic idea of ecoregional approach methodology and systematic design by integrating agronomy, ecology, environmental economics, resource economics and maths. the study methods included macro - and micro - analysis, qualitative and quantitative analysis, theoretical and case study, statistical analysis and model simulation and so on. resources shortage and environmental pollution casued by intensive agriculture were examined for a specific suburban area shunyi district beijingissues were systematically analyzed including landuse changes, landuse driving force, water - limited yield simulation with wofost model, ecological, environmental and economical analysis of landuse, as well as optimizing pattern of landuse with rcsadss model

    本研究立足於生態區域法的基本思路,採用系統設計的思想,通過農學、生態學、環境經濟學、資源經濟學、數學等多學科的交叉與融合,宏觀與微觀、定性與定量、理論與實證研究等相結合的方法,運用統計分析、模型模擬等技術手段,在大量調研基礎上,針對目前大城市郊區農業用地中存在資源短缺、環境污染等問題,以北京市順義區為典例,從土地利用現狀與動態、驅動力、 wofost模型產量模擬、生態環境經濟分析及種植業結構優化模式等方面進行了系統研究,獲得如下研究結果: ( 1 ) 2002年順義區的土地利用仍以農業用地為主,耕地、園地、林地和牧草地之和占總土地面積的56 ,農用地中糧食作物仍佔43 。
  4. The quantity of water that can be drained out is called the specific yield.

    能夠抽出的水量稱之為單位給水量。
  5. Yield - protection factors include : ( 1 ) weed control ; ( 2 ) insect control ; ( 3 ) disease control ; and ( 4 ) other factors necessary for yield protection of a specific crop, i. e. lodging control in wheat

    產量保護因素包括: 1 )除草; 2 )蟲害防治; 3 )病害防治; 4 )其它保護作物產量的必要因素,比如防止小麥倒伏等。
  6. The new apparatus not only can reflect the visual change of water level, the influence of water level and its decrease depth on the specific water yield, but also can be operated and understood easily by students

    新設計的給水度實驗儀能直觀地顯示出地下水水位的變化,並能反映出初始地下水水位埋深及水位降深對給水度的影響,且操作簡單,易於學生理解掌握。
  7. 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
  8. 11 can be a subsurface runoff parameterization with water storage and recharge based on the boussinesq - storage equation 625 written as 11 ee sineee sine. nnnnktaxbtnnuxktbtnsknnktbtaxnnuxktbtnsknnhxtwfnxhkbwfnxhkb letting t tend to infinity, one can get the steady aquifer function hs 13 : 1 sinee. uxaxnsksnnnfnhxxhkb multiplying through by the specific yield, f, and in - tegrating with respect to x between 0 and l gives the drainable storage associated with this steady - state free surface

    下面考慮整個潛水面的一種穩定狀態,也就是是對于任意一個恆定的入滲,當時間時潛水面將達到穩定的狀態不再發生變化,這個時候顯然有, 0 , . sntnt t , ssqnl也就是入滲補充量等於地下徑流量
  9. Comparison of specific yield of solar cell assemblies madefrom amorphous silicon and monocrystalline silicon

    單晶硅太陽能電池組件比功率發電量比較
  10. 3. the extracellular phb depolymerase was purified from 09 by using hydrophobic column chromatography and gel filtration technique in sephadex g - 100. the specific activity of the purified enzyme was increased by 37. 9 folds over crude extract, and the recovery yield was 8. 9 %

    以粗酶液為起始,經硫酸銨分級沉澱、 sephadexg - 100凝膠過濾后,分離純化了該酶,純化倍數約為37 . 9 ,酶活力回收率8 . 9 。
  11. The influence of specific charge, hole arrangement, charge structure, stem length, millisecond interval and ignition mode on the yield of the blasted boulder is analyzed some measures to lower boulder yield in deep hole blasting of underground mine are presented through the optimization of blasting operation parameters as follows : lowering deep hole blasting effect of geology structure, rationally determining specific charge, using technique of wide - space small burden blasting, technique of manifold charge structure and technique of millisecond compression blasting, strengthening the management of boring construction and blasting construction

    該優化技術措施主要有:減少地質構造對深孔落礦的影響,合理確定炸藥單耗的方法,使用大孔距小抵抗線落礦技術,採用多種裝藥結構技術,採用多排微差起爆技術,加強深孔的施工管理和加強爆破施工的現場管理。
  12. Effects of specific fertilizers on the yield, quility, biologiceal characteristics of processing tomato under plastic mulched drip irrigation

    覆膜滴灌條件下加工番茄專用肥肥效的研究
  13. The result showed that under low light environment plant height / stem diameter increased, while dry weight, specific leaf weight, leaf number, fruit rate, average fruit weight and average plant yield decreased

    結果表明,弱光使植株株高莖粗增加,干質量、比葉重、葉片數、坐果率、單果質量和單株產量降低。
  14. Discussion of calculation method of synthetic specific yield based on mapgis and groundwater database

    和數據庫下的綜合給水度計算方法探討
  15. For the specific yield surface problem of bingham fluid, the yield characteristics of bingham and er fluid flow in journal bearings with infinite length are analyzed

    針對賓漢流體所特有的屈服面問題,分析了無限寬徑向滑動軸承中賓漢流體和電流變流體的屈服特性。
  16. The final yield was about 0. 88 % and the specific enzyme activity was increased 39 - fold, with 17530 u / mg. the purified protease also displayed dehairing activity

    與純化前的初酶液相比,酶的比活力提高了38 . 65倍,達到17530u mg ,但其回收率僅為0 . 88 。
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