水差計 的英文怎麼說
中文拼音 [shuǐchājì]
水差計
英文
differential manometer-
Application of bathymetric adjustment system for bathymetric survey
水深平差系統設計及其在水深測量中的應用Testing on rock sample data in dispersed shaly sands it shows that adding another parameter ( n ) to the model can decrease the relative error of fitted co. however, when we consider the difference of electrical properties between clay - bound water and formation water in the model, although another parameter ( qv ) is added to the model, the relative error of fitted co is increased slightly
通過一組分散泥質砂巖巖樣實驗測量數據的計算。表明模型中增加參數n ( m n )可以使擬合的c _ t的相對誤差減小,但在考慮粘土結合水與地層水導電性差別時,模型中雖多加一個參數q _ v ,卻沒有減小擬合的c _ t的相對誤差。In addition, international accounting firms " entry into china and the open of accounting profession will also enhance the cooperation and contact between foreign and domestic accounting firms. all in all, opportunity and challenge is coexistent
由於我國會計師事務所普遍規模較小、執業質量和人員素質參差不齊、內部管理水平不高,與國際四大會計師事務所相比存在很大差距。In this thesis, the development of emulsion polymerization theory and related new technologies are comprehensively reviewed, and the synthetic technologies of acrylate latex modified by organosilicon both at home and abroad are also reviewed. based on the current development and research in this field, attentions of this study are focused on three ways for preparing novel acrylate latexes modified by organosilicons, that is, 1 ) the acrylate monomers are copolymerized with unsaturated silicons by emulsion copolymerization ; 2 ) a new latex with microphase separation morphology is synthesized, which shows a core - shell structure character ; 3 ) soap - free polymerization is explored for preparing a higher - performance latex using an unsaturated silicon monomer, different acrylates and a reactive emulsifier. by using techniques of delaying addition of organosilicon monomer and a hydrolysis inhibitor, the hydrolysis and condensation of 3 - ( trimethoxysilyl ) propyl methacrylate during polymerization can be effectively prevented, as a result, organosilicon content in the macromolecular chain is increased
同時採用有機硅單體延遲滴加及添加水解抑制劑等技術,有效防止了-甲基丙烯酰氧基丙基三甲氧基硅烷在乳液聚合過程中的過渡水解及縮合反應,提高了聚合物大分子鏈中有機硅鏈節的含量;利用紅外光譜與差示掃描量熱儀對產物分子結構進行了表徵,並通過對共聚產物力學和吸水率的測試,證實了本研究所制備的有機硅改性丙烯酸酯共聚物具有比純丙烯酸酯聚合物更優良的力學及耐水性能;從分子設計角度出發,利用醇解反應合成出水解、縮合反應速率較慢的兩種新型不飽和有機硅單體: ?甲基丙烯酰氧基丙基三乙氧基硅烷和?甲基丙烯酰氧基丙基三異丙氧基硅烷;利用核磁共振對新型硅烷單體結構進行了證實;研究表明利用新型硅烷單體可以制備出高硅烷含量的有機硅改性丙烯酸酯乳液,且其聚合產物具有較高的力學及耐水性能。( 5 ) it was more precise for using darcy - weisbach formula to calculate the hydraulic pressure slope curve in the lateral line, but too complexity. although i - pm wu formula is simple, the estimated results were not agreement with the measured data. a coefficient including irrigation uniformity was presented to modify i - pal wu formula, and the results were agreement after using the coefficient
( 4 )利用達西?韋斯巴赫公式計算微孔毛管的沿程水頭損失具有較高的精度,但計算復雜,吳義伯公式計算雖較簡單,但在灌水均勻度較差時誤差較大,為此對吳義伯公式進行了修正,提出了修正系數的計算經驗公式,取得了良好的結果,為簡易地下滴灌工程設計中水力計算建立了簡化公式。Seawall and sluice are the parts constructed in advance, while final closure is the last part in construction. the hydraulic condition during the final closure process is worse than that during any other processes. and with the compressing of the entrance, the hydraulic condition becomes badly, the drop height of entrance can reach 2 to 3 meter, the maximum velocity of flow even reaches 6 to 8 meter per second and flow condition also becomes complex
海堤和水閘的修建都是圍海工程先期施工的部分,堵口則是海堤修築的最後階段,堵口合龍成敗關繫到圍海工程成敗,由於此階段所遇到的水力條件十分惡劣,口門落差可達2 3m ,流速最大可達到6 8m / s ,且水流極其復雜,根據我國《圍海工程技術規范》規定圍海堵口必須進行龍口水力計算。According to the control rod hydraulic drive mechanism ( crhdm ) and the characteristics of its hydraulic cylinder seal structure, the leaking ways of the hydraulic cylinder piston ring seal were analysed, its theoretical calculation model was built and its flow resistance formula based on the calculation model of differential pressure at the hydraulic cylinder piston ring seal was deduced
摘要根據控制棒水壓驅動機構水壓缸活塞環密封結構的特點,分析了水壓缸活塞環的泄漏途徑,建立了活塞環密封泄漏流阻的理論計算模型,並結合水壓缸活塞環密封處的壓差計算模型,推導出水壓缸密封結構的流阻計算公式。This experiment was designed according to the special soil moisture in the north in china as well as the different water requirements in the different growth periods of the maize. the author put forward a practical technique by comparing the water - supply conditions in the different periods of time and ensuring the growth target and the yield target under the best water - supply condition
針對北方旱區土壤水分運動存在冬季緩慢散墑、春季進入強烈跑墑期以及玉米在不同生長期需水差異這一特點,試驗設計提出了節水滲灌這一技術的田間試驗方案,比較不同時期的供水狀況,最後確認在最佳的供水條件下的玉米生長指標及產量指標,提出一套較實用的玉米滲灌節水生產技術。However, df pre - processing is not required in a interferometer direction finder. it only makes use of the phase relations or differences of sensors disposed at different position. azimuth and elevation are caculated from the phase differences or displayed directly on a crt drived by the voltage or current from the phase differences
干涉儀測向不必進行測向信號預處理而是直接或間接求取在空間上分開的傳感器上感應電勢之間的相位關系,即干涉相位差,方位角或仰角是直接由干涉相位差計算得到,或將兩基線正交的天線陣的干涉相位差轉化為驅動電壓(電流)分別加到crt陰極顯示器的垂直偏轉線圈和水平偏轉線圈,模擬顯示出來波方位,干涉儀測向為典型的相位測向方法。The principle, method and procedure for adjusting loop flow distribution by measured network data ( pressure and flow of feature node ) in the hydraulic calculation of city gas network are introduced, and the cause of errors occurring when using this method is analyzed
摘要介紹了城市燃氣管網水力計算中利用實測管網數據(特徵節點的壓力和流量)調整環流量分配的原理、方法和步驟,分析了該方法出現偏差的原因。Corresponding to the correct water hammer mathematic model ( 3 ), the character difference equation is by comparing the new mathematic model with the old mathematic model, the last calculative part of paper argues the falseness of the current water hammer mathematic model, makes use of the improved character line method to analyze the correct mathematic model ( 3 ), studies all kinds of facts " impact on water hammer pressure value and water hammer phenomenon attenuation, points out that, in the long pipeline system, the subarea calculation of head loss along with flow rather influences the calculative results of water hammer pressure, advices to take the subarea calculation of head loss along with flow into account in the water hammer calculation of the long pipeline system
對應于正確的水擊數學模型( 3 )的特徵差分方程形式如下c ,弓+吼川一c ,唱一幾弓扮幾rv另卜川= o幾代+吼川一幾唱一吼嶸{一c :腳丸}唱} ? 「本論文在最後的計算部分,通過對新老數學模型的數值計算比較,進一步論證了當前水擊數學模型的不正確性。並且應用改善了的特徵線法對正確的數學模型( 3 )進行了計算分析,研究了各種因素對水擊壓強值和水擊現象衰減的影響,指出在長管道系統中,沿程水頭損失的分區計算對水擊壓強的計算結果影響較大,建議在長管道系統的水擊計算中應按分區進行沿程水頭損失的計算。With the in - built drip irrigation belt and thin wall chip irrigation belt taken as examples, the flow rate distribution and hydraulic losses of drippers along capillary tubes at different inlet pressures were measured under the conditions of horizontal slope and slope gradients of 0. 5 % and 1 %, then the uniformity of capillary tubes was calculated at different slope gradients and pressures in consideration of the manufacture deviation of drippers
摘要以內鑲式滴灌帶和薄壁滴灌帶為研究對象,測定了平坡、 0 . 5 %坡度和1 %坡度時,不同入口壓力下滴頭沿毛管的流量分佈和水力損失,並結合滴頭的製造偏差,計算得出不同坡度和壓力條件下滴灌毛管的均勻度。Interest rate volatility, as measured by the standard deviation of daily changes in the one - month interbank rate, remained low during the year
年內利率變動幅度(以1個月香港銀行同業拆息每日變動標準差計)一直維持于低水平。This system also can present a loading plan according the difference of draft and other loading require. and display the result of stability and strength. this system also can guide filling in report table of stability
該系統還可以根據限定的吃水差和一些具體的裝載要求,能具體給出裝載方案,顯示具體的穩性、強度結果,並指導填寫穩性計算表,能大大減輕配載人員的勞動強度。In this part, it demonstrates with sufficient argumenls in the aspects of material choice for the surface course, base course style, road drainage, etc. in theory it solves the troubles in the weak surface course, the weak base, the poor road drainage, etc. the thesis also debates on the exploration of constructive technique on the method of design of the cement concrete pavement based on the poor concrete base
本文首先分析了宣大高速公路交通組成,介紹了我國幾個水泥混凝土路面建設大省的經驗,總結了國內外水泥混凝土路面的研究成果,從面層選材、基層類型與排水等方面都作了詳細論證,從理論上解決了面板薄、基礎弱、排水差等問題。本文對貧混凝土基層水泥混凝土路面的設計方法也進行了有益的探索。A combined gauss main - element elimination method with compress - storage technique is proposed, which with the characteristic of less - storage requirement, small rounding off and high stability, and solved the problem of large storage requirements in solving large linear algebraic equations in river networks hydraulics, 3
提出了壓縮存貯形式的gauss列主元消去法,該方法具有存貯量小、舍入誤差小、數值計算穩定的特點,在一定程度上解決了河網水力計算問題中關于眾多線性方程組的存貯及其求解過程中可能面臨的困難。But in fact, it is not equal for the lashings " parameters. this dissertation starts with computer graphics and put forward the conception of three - dimensional object " s touch or collision. and simulate the course of loading cargo, and solve the issue through that course
並應用計算機編程模擬裝貨過程,解決三維物體的觸碰問題,預吊裝及裝載重大件貨物、並在吊裝過程中顯示船舶的吃水、吃水差、穩心高度和傾角,還有岸吊的水平轉角、豎直轉角及吊索的長度。Comparing the moisture contents determined from the sensors with those from the standard oven drying method, the deviations was within 1. 0 % under the measuring range from 20 to 12 % w. b. these sensors have been commercialized
乾燥機作業時,此型水份計之量測值與烤箱法測定所得之標準值比較后,在12 20 %濕基?圍,其誤差於1 . 0 %之內,此型水份計已商品化生產。In this paper, the method of mean gap is used to solve this problem. above of, this paper discusses several aspects of deformation monitoring including deformation network building, adjustment and computing, stability test of measuring points, minimum data of finding possibility of displacement
本文對變形監測網(包括垂直位移變形監測網和水平位移變形監測網)的建網、平差計算、穩定點的判斷和變形下界值的計算都作了一定的探討。With this method, the feasibility of project can be decided preliminarily. 3. one - dimensional hydrodynamic model is built, in which implicit difference format ( preismann discretization scheme ) and " three steps method " of one - dimensional unsteady flow model is used, hydraulic calculation is done for water diversion and flow strengthen in tidal networks and the method is enhanced in which the precision is improved greatly
建立一維水動力學模型,利用四點隱式差分格式( preismann格式)和一維河網非恆定流模型的三級解法,對感潮河網的引水增流工程進行了水力計算並對計算方法進行了改進,大大地提高了計算的精度。分享友人