水常數 的英文怎麼說
中文拼音 [shuǐchángshǔ]
水常數
英文
water constants-
Ionization constants of inorganic acids in aqueous solution
無機酸水溶液的電離常數The determination of the first dissociation constant of carbonic acid in urea - water mixture
水混合溶劑中碳酸一級解離常數的測定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Using the advanced technology by its head office ( newkey co., ltd. ), it produces various kinds of alumina black and white ceramic products. the component alumina ceramics, which are widely used in electron components, devices, electrical products, enjoy low loss of high frequency, high insulating strength, good specific volume resistance, small dielectric constant, high mechanical intensity and excellent airtightness and thermal and chemical stability
本公司根據目前市場需求，生產出各種型號的黑、白陶瓷產品，廣泛應用於電子、電工、化學工業、紡織工業、水暖、宇航、環保等諸多方面，系列產品有高頻損耗少，比體積電阻大，介電常數小，強度高，氣密性、熱穩定性、化學穩定性好等特點。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。Observed tidal harmonic constants in many stations are used to verify the astronomical tides in the compound fluid model. the wave model is tested by a set of wave flume data at first. then the results are compared by the actual processes of significant wave height in gauging stations
其中復合流場模型中的天文潮利用眾多測站的實測調和常數進行驗證；波浪模型首先進行了水槽實驗的檢驗，然後在臺風過程中，進行了測站有效波高過程線的比較。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 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。Application of equivalent elastic constants of porous rock to hydraulic fracturing
水力壓裂中多孔巖體的等效彈性常數應用The digital map is usually formed by the water depth ' s database measured on the seabottom. because of the disadvantage that the database is kept secret, this dissertation introduces a new method : first, the depth data are picked up from the electronic chart, then interpolation of the depth datum by kriging algorithm is adopted to gain the digital map. the method is the precondition of the terrain matching when it is researched by simulation, and it is the complement of the database
通常數字地圖都是通過海底測量的海底水深數據庫來形成，針對水深數據庫存在保密性等特點，本文提出了一種從電子海圖提取水深數據，然後採用kriging方法進行插值形成數字地圖的方法，該方法是進行地形匹配模擬研究的前提，而且它也是海底水深數據庫的一個補充。3. based on the interrelations of flow stress, strain rate and deformation temperature, the four constants of 7055 aluminum alloy can be calculated during the deformation process. 4
）和變形溫度t之間的相關性，求出了7055鋁合金高溫塑性變形的四個材料常數：結構因子a ，應力水平參數，應力指數n和變形激活能q值。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。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。( 2 ) the key problem to the application of muskingum approach, in another word, there exists non - linear effect. therefore, to meet the demand of practical engineering to a more satisfactory extent, it is vital to convert the linear formula in muskingum model to a non - linear one
2 、在水文學中馬斯京根（ muskingum ）法是河道洪水演算中廣泛應用的方法，因該槽蓄方程是線性的，即把k ， x在一定河段內假定為常數，這在某些情況下是不切實際的，為此必須將馬斯京根模型中線性的槽蓄方程非線性化，才能更好地滿足實際工程的需要。Moisture, the voids and the density of the pavement are expected for many operators in the road department. in order to promote the application of gpr to detect pavement quality as quickly as possible, in this paper some research works were zone. the mainly research results includes the following aspects : ( 1 ) since the dielectric constants of pavement medium have important influence on radar detection results, dielectric properties of pavement layers materials are analyzed for the design of practical gpr system and field application
目前探地雷達在公路上的應用還主要局限於路面結構層厚度的檢測，對路基路面物理力學指標的無損檢測被廣大公路工作者寄予厚望，這一技術的應用還有很多的工作要做，為了使其早日應用於實際，實現探地雷達對路面含水量、空隙率和壓實度的快速無損檢測，本文具體做了以下的一些工作： （ 1 ）鑒于介電常數對探地雷達檢測的重要影響，對路面結構材料的介電特性進行深入分析，為路用探地雷達的實際應用測量提供理論依據。Based on the study of water cut and recovery degree for jilin low permeable oilfield, and improvement of tong ' s chart for relation between water cut and recovery degree, the constant is changed from 7. 5 to 13 according with change rule of water cut and recovery degree for low permeable oilfield
摘要在吉林低滲透油田開發含水與采出程度關系研究基礎上，通過對童氏含水與采出程度關系圖版改進，把7 . 5這個常數換成13 ，符合低滲透油田的含水率與采出程度變化規律。Extreme precipitation index tend to decrease marked in beijing area, but increase marked in sichuan - basin and leizhou - peninsula
極端降水指數在北京地區減少非常顯著，在四川盆地和雷州半島則有較明顯的增長。This technique is mainly involved two steps : 1 ) vegetation effects correction : we used ndvi ( normalized difference vegetation index ) derived from tm and avhrr measurements for spatial and temporal variations of vegetation covers at different scales
但由於電磁波與地表相互作用的復雜性，雷達後向散射系數除受地表介電常數（土壤水分）影響外，還受到地表粗糙度、土壤類型、植被覆蓋以及雷達入射角、頻率、極化等多種因素的影響。分享友人