水分常數 的英文怎麼說
中文拼音 [shuǐfēnchángshǔ]
水分常數
英文
moisture constant-
In chapter 2, the meteorological knowledge, data and the methods of the data processing, related to the study on the atmospheric loads, are simply presented. the model for the perfect gas constant, describes by the relative moisture, is developed. the influences of the variation in the vapor component in the atmosphere on the perfect gas constant are evaluated by using the changing characteristics of the temperature on the surface, its spatial gradient and the barometric pressure
第二章:簡要介紹大氣負荷研究所需的氣象科學知識、資料及其數據處理方法;建立相對濕度表示的大氣比氣體常數模型,利用地面溫度和空間垂直溫度梯度、壓力變化的規律估算大氣水汽組分變化對比氣體常數的影響;對中國及鄰區的地面氣壓記錄進行了預處理和網格化Advantage : interspace of the belt is several times bigger as the normal one, the water filtrate faster and easily to clean
優點:濾帶空隙是常規濾帶的數倍大,可更快的過濾水分,並且易於清洗。According to the least twin multiplication to calculating the sensitivity index in several water production functions. thus, the writer obtains the fitted the value of the sensitivity index and the varied rule. at the same time, the writer puts forward a new method named rag a ( real coding based accelerating genetic algorithm ) and combines raga with dpsa to calculating the best irrigation system under the non - sufficient irrigation of well irrigation rice in sanjiang plain
根據《隨機水文學》理論中的時間序列分析法,建立了適合三江平原井灌水稻需水量預報的非平穩時序隨機模型;通過分析降雨隨機特性,選定季節性時序隨機模型,建立了適合三江平原井灌水稻降雨預報的月平均降雨模型;根據最小二乘法,計算出幾種常用水分生產函數中的敏感指數及敏感系數,進而得到三江平原適宜採用的水分生產函數漠型及模型中敏感指數的變化規律;本文提出遺傳動態規劃法( raga ? dp ) ,即採用改進的基於實數編碼的加速遺傳演算法( realcodingbasedacceleratinggeneticalgorithm ,簡稱raga )與動態規劃法( dpsa )相結合,推求非充分灌溉條件下三江平原井灌水稻的最優灌溉制度。The mean velocity profile of sediment - laden flow can bet divided into two regions. the profiles for both regions follow the logarithmic law. only the von karman universal constants are different from each other
渾水時勻流速分佈可分成兩個流區,兩個流區的分佈均遵循對數規律,只是相應的卡門常數有所不同。Determining dissociation - constants of sulfosalicylic acid and chromiun content with electrometric analysis
電位分析法測定磺基水楊酸離解常數及鉻含量Koalas are very fussy eaters, feeding almost exclusively on the leaves of a few species of eucalypt. koalas seldom drink, as they obtain enough water from the diet of leaves
考拉在食物方面非常挑剔,它幾乎只以少數幾種桉樹的葉子為食。它很少喝水,因為從吃掉的葉子中就能獲得足夠的水分。Koalas are very fussy eaters, feeding almost exclusively on the leaves of a few species of eucalypt. koalas seldom drink, as they obtain ? enough water from the diet of leaves
樹袋熊在食物方面非常挑剔,它幾乎只以少數幾種桉樹的葉子為食。它很少喝水,因為從吃掉的葉子中就能獲得足夠的水分。Based on an analysis of dynamic conditions for migration and precipitation of gold grains in water system and their diffusion in soil, this paper has advanced a discriminant formula for surfacce ore potential of gold anomalies from 1 : 50000 stream sediment survey, recounted methods for estimating the highest gold grade ores within the anomalies, calculated the discriminant indices for qinba area, and summed up index characteristics of ore - induced gold anomalies in 1 : 10000 soil survey, estimation formulae for orebody location as well as coefficients and constants of slope angles of various orders and grades
摘要在分析金粒在水系中運移、落淤和在土壤中擴散動力條件的基礎上,本文建立了五萬分之一水系沉積物測量金異常地表含礦性的判別公式,闡述了推算異常內礦石最高金品位的方法並計算了秦巴地區的判別指數;總結出萬分之一土壤測量礦致金異常的標志特徵、礦體定位的估算公式及各級次地形坡度角的系數和常數。The control motors in the well traction robot require high temperature resistant, quick response, small volume and large power density. because coreless dc motors uses ironless - rotor, the inertia and inductance is very small, mechanical time constant is less than 28 milliseconds, several products can attain in less than 10 milliseconds. its weight and size are 1 / 3 - 1 / 3 less when compared with an iron core motor of same power
水平井牽引機器人對控制電機不僅有耐高溫要求,而且有響應快、體積小、能量密度大等要求,而空心杯電樞直流電動機由於無鐵心,故慣量和電感均大為減小,機電時間常數小於28ms ,部分產品可以達到10ms以內;與同等功率的鐵芯電機相比,其重量、體積減輕1 / 3 - 1 / 2 ,是低慣量電機中性能最好的一種。The results show that the digital data of water level and geothermals are reliable and sensitive, and we can pick up seismic precursor information through analyzing these data scientifically
通過分析可驗證我省2001年新上數字資料水位和地熱的可靠性、靈敏性,以便科學地分析數字水位、地熱資料、提取可靠的前兆異常信息,高效地服務于日常地震分析預報工作。The results show that the water - level controlling system has wide stable domain and stable condition is easy satisfied and the domain is larger when the forebay time constant tq is bigger
分析表明,水位調節模式下調節系統的穩定條件容易滿足,穩定域很大,前池時間常數t _ q大的更有利於調節系統穩定。Based on rain drop size distribution ( dsd ) data measured in qingdao, guangzhou and xinxiang, the radar reflectivity factor z for spherical rain drops, the radar reflectivity factor zh and differential reflectivity zdr for oblate ellipsoid rain drops have been calculated. the relation of reflectivity and rainfall rate for conventional meteorological radar and the relation of reflectivity, differential reflectivity and rainfall rate for multiparameter radar are regressed, the performance difference of two kinds of radar for measuring rainfall and difference for measuring rainfall in different regions are also discussed
基於我國青島、廣州和新鄉地區雨滴尺寸分佈數據,計算了球形雨滴雷達反射因子,橢球形雨滴雷達水平極化反射因子和差分反射率,回歸給出了這些地區的常規氣象雷達反射因子與降雨率的經驗關系和多參數雷達水下極化雷達反射因子、差分反射率和降雨率關系,並對其測雨精度和地區差異進行了比較。According to the law of mass action, the law of mass conservation and the principles of chemical thermodynamics, mathematics model about components " modes of occurrence ( that is simple ions, complex anions and complex compounds ) and their concentration in dam foundation solution has been set up with balance constant method
本文根據質量作用定律、質量守恆定律和化學熱力學的基本原理,應用平衡常數法建立了地下水水質組份存在形式(即單一離子、絡陰離子和絡合物)及其濃度分佈的數學模型。The sensitive index obtained by least - squared method sometimes can not be scientifically explained in terms of crop physiology. the phenomenon is related to the statistical distribution of experiment data in addition to the number of experiment treatment and water deficit level
受最小二乘法求優數學解的約束,在求解作物水分響應模型的敏感指標時常出現從作物生理和物理上難以科學解釋的情況,這除與試驗處理數量多少及缺水水平有關外,也與試驗數據的統計分佈有關。Linear utility function, non - linear utility junction, and randomly distributed parameter utility function were all specified to find the effect of utility function specification on the updating of model
效用函數指定除一般常用的線性模式外,另建立旅行服務水準變數為非線性與旅行時間變數之參數為常態分配之效用函數,來探討效用函數指定對模式更新之影響。In this paper, chroma dc coefficients are selected as the carrier data because chroma dc coefficients are robust. also, alterable steps are used to select one part of the coefficients, so the watermark is imperceptible ; before watermark embedding, the watermark is divided into many parts, every part is individually embedded into one gop of the video, even if a gop is destroyed, the watermark can be extracted correctly, this methods promotes the robustness of the watermark ; in addition, in order to promote the security of the watermark, the user ' s id and password are used to generate chaos sequence by the chaos system which is created in this paper, later, watermark is mixed by the chaos sequence. also, the embedding position of the watermark bit is modified by one chaos sequence, so, unauthorized person can not extract or remove the watermark, since the embedding position is unknown
本文認為,色度dc系數是魯棒性非常好的參數,因而選擇色度dc系數作為水印信息載體,同時,採用可變的步長選擇部分系數,保證了水印的隱形性;在嵌入水印時,本文採用水印信息「網格劃分」 、各子塊獨立嵌入視頻的方案,由於水印信息子塊是相對獨立的嵌入視頻中的每一相對獨立的圖組當中,即使某一圖組收到一定破壞,也能夠恢復水印信息,使水印的健壯性得到提高;此外,為了提高水印信息的安全性,在嵌入水印信息時,根據用戶輸入的id號和密碼,利用本文構造的混沌系統產生的混沌序列對水印信息進行變換,同時,對每一水印信息比特的嵌入位置也採用了偽隨機序列進行調整,這樣,未授權用戶不能提取水印信息,也難以擦除其中的水印信息,因為嵌入的位置是未知的。3. 2. 1. 4 ) which was prepared by precipitation of the water extract of the culture of aspergillus niger with ammonium sulfate and desalted by sephadex g - 25, and was further fractionated by two steps of deae - toyopearl 650m and one step of poros 20pi chromatography. the other was a p - glucosidase ( ec. 3. 2. 1. 21 ) which was prepared by the above g - 25 fractions and was further fractionated by two steps of deae - toyopearl 650m chromatography. the specific activity of the endoglucanase with sodium carboxymethyl cellulose was estimated to be 433. 38 hj / mg
-葡萄糖苷酶對水楊素的比活力為597 . 12iu mg ,並對其專一,不能水解棉花和羧甲基纖維素鈉;分子量為117 . 5kda ,加dtt後分子量不變;該組分最適ph和溫度分別為4 . 5和70 ,在ph5 . 0 、 50下對水楊素鈉的米氏常數km為3 . 73mg ml ,最大反應速度vm為0 . 088mg葡萄糖( ml ? min ) ;與文獻中從黑麴黴中分離的-葡萄糖苷酶比較后發現,該組分是一個新的-葡萄糖苷酶。All of theses database was integrated into a land information system, which can be used to land evaluation and land use analysis. the second part is the application of soter land information system in land evaluation, based on water balance model watsat, crop simulation model ps 123 and ales ( automated land evaluation system ). the handan land evaluation model was built in ales based on expert knowledge and farmer s " experiences, it includs three decision trees, namely soil erosion risk, soil water condition and soil fertility
以邯鄲地區1 25萬soter土壤土地數據庫為基礎,探討了土壤參數區域化問題,並利用watsat區域水分平衡模型,研究了邯鄲地區區域水分平衡:大部分地區土壤水分滿足夏玉米生長需求, ( suff )值為0 . 8 - 1 . 0 ,非常適宜;部分地區如大名地區、邯鄲和永年部分地區、涉縣溝谷坡梁地區土壤水分適宜夏玉米生長, suff值0 . 4 ? 0 . 8 ;不適宜地區, suff值0 . 2 ? 0 . 4 ,主要集中於丘陵山區以及平原古河谷地礫石和粗砂分佈區。Based on spraying experiments on simulated rock slope, different organic matter and absorbent agent contents ' effect on base material mixture ' s moisture constants are studied
採用模擬巖石坡面進行厚層基材噴射植被護坡實驗,研究了有機質及保水劑含量對基材混合物水分常數的影響。Water content and wilting point fluctuate with the profile. the coefficient of variation of soil water content fluctuates from 3. 04 % to 26. 98 % with depth of profile
剖面各層土壤水分常數的變異系數都介於3 . 04 % ~ 26 . 98 %之間,且隨剖面裸度呈現一定的變化。分享友人