重液比重液 的英文怎麼說
中文拼音 [zhòngyèbǐzhòngyè]
重液比重液
英文
heavy liquids-
Paints and varnishes. determination of the density of varnishes. areometer method
塗料和清漆.清漆密度的測定.液體比重計法Salinity - liquid densimeter
鹽液比重計The relational expression of the speed difference of drum and spiral propeller ( 0 ) and the difference of drum speed and input speed of the differential gear ( 1 ) is derived
由於鉆井液的比重和粘度是隨井下情況變化的不確定值,且現場對鉆井液的處理量時有變化,需隨時調節0或1以調節離心機的處理能力和效果。The addition of surfactant to etchant can protect surface from intense dissolution, and keep a relative similarity of dissolving activity between surface and tunnel walls. in order to gain a satisfactory enlargement of tunnels, the etchant temperature should be controlled at 70 - 90
3a / cm ,嚴重,使比容降低;溶液中添加表面活性劑可以有效地抑製表面溶解,提高比容;適宜的擴孔條件為:溫度80oc ; h +濃度lmol / l0Adequate tissue perfusion seems to be more important than the oxygen-carrying capacity of the blood.
足夠的組織灌注似乎比血液的攜氧能力更重要。The bicapillary pycnometer is a tool for accurate determination of density.
雙毛細管比重瓶是一種用於精確測量液體密度的儀器。The results of experiments have show that electro - hydraulic proportional control system and its core controller of the auto crane ’ s performance are satisfied. it has the advantage of easily using and low cost, then it is worthy of further developing
核心控制器樣機的試驗情況表明,本文所設計的汽車起重機電液比例控制系統具有簡潔實用、成本低廉的優點,證明了本文研發成果的有效性和實用價值,為產品的產業化開發打下了良好的基礎。Based on above two points, developing electro - hydraulic proportional controller of having independent intellectual property is now urgent to civil auto crane manufacturer. at the beginning, in this thesis, a serial of models about auto crane ’ s function, construction and action are provided after being carefully analyzed with the modeling tool uml ( united modeling language ). using these models, we can easily get along with the design and realization of electro - hydraulic proportional controller
本文首先從研究汽車起重機的功能入手,以面向對象的觀點和使用uml作為建模工具,透徹地分析了汽車起重機功能應該具有的結構、行為特性,經過分析得出的結構、行為方面的特性是作為汽車起重機功能的內部描述存在的、具有固定不變的特點,這些特性的描述是研究與設計汽車起重機電液比例控制系統所必需的基礎工作。Filtrate density filtrate viscosity
濾液比重:Comparing and analyzing the synchronous control strategy, which brings up the new method to control the double un - symmetry jars proceed synchronously with the combination of proportional valve and servo valve, which forms closed loop control ; basing on the above methods, models are made to get mathematics models of position control system and to analyze system model theoretically by using pid controller, we can realize regulating parameters, minimizing synchronous errors and enhancing the dynamic performances ; the simulink tool box in matlab software is used to imitate the system according to the model, which not only makes the result visual and easy to adjust the parameters in interactive way but also lets us understand the effects of different parameters and optimizes the dynamic properties. the theory of plc control in dshp is discussed after advanced understanding of the system movements. hardware design and general regulation are given on the base of siemens company products s7 - 200 plc
本文根據大量的國內外文獻,對研配液壓機的工作原理及設計結構進行了簡介;對位置同步的控制方法進行了比較分析,提出比例閥和伺服閥復合控制的閉環結構來對非對稱雙缸進行同步控制電液比例同步控制方案;在此基礎上著重對比例閥控非對稱缸建模,最後得到位置控制系統的總體數學模型,從理論上對同步系統動態特性進行了分析,並用pid控制器進行參數整定,減小雙缸同步誤差、提高系統的動態響應性能;其中控制性能的分析藉助于matlab軟體中的simulink工具箱,由已建立的數學模型形成模擬模型,得到可視化的模擬結果,從而利於交互方式下調整參數,了解不同的參數對系統的影響,優化同步系統的動態性能;在深入了解系統的動作特性后,對plc控制研配液壓機的原理進行了探討,針對siemens公司s7 ? 200型plc給出了硬體設計的總體規劃,編制出研配液壓機動作控製程序,在編程中著重研究位移傳感器與plc的通訊、雙缸同步運行的pid控制在plc上的實現及bcd碼撥盤輸入程序的植入問題。Based on physical simulation and numerical simulation, the conversion of hot water slug flooding with nitrogen foam is presented and some injection indices are optimized, including foam concentration, gas - liquid ratio, injection rate, temperature of water, slug length. from reservoir research and oilfield development, studying disadvantageous factors, the paper will have guilding value for heavy oil reservoir development of leng 43 block
對熱水+氮氣泡沫段塞驅的關鍵技術指標,包括泡沫劑濃度、氣液比、注入速度、注水溫度和段塞長度等重要參數進行了優選,提出了注水速度80 100t d 、氣液比1 : 1 、注水溫度95 100 、溶劑濃度0 . 5的推薦方案。Methods for volumetric measurement of liquid hydrocarbons - turbine meter systems
液態烴類體積測量方法.第2部分:濁度計系統或相對比重Testing of carbon materials - determination of density with liquid pycnometer - binding and impregnating materials
炭素材料檢驗.用液體比重計測定密度.粘結劑與浸漬劑Laboratory glassware ; hydrometers, principles of construction and adjustment
實驗室玻璃儀器.液體比重計.製造和調節原理Laboratory glassware. hydrometers. principles of construction and adjustment
實驗室用玻璃器皿.液體比重計.製造與調節原理Laboratory glassware. thermometers for use with alcoholometers and alcohol hydrometers
實驗室用玻璃器皿.酒精比重計和液體比重計用溫度計Laboratory glassware. glass alcoholometers and alcohol hydrometers not incorporating a thermometer
實驗室用玻璃器皿.無溫度計的玻璃酒精比重計和酒精液體比重計Battery : 1. 10 - 1. 40sg resolution
電池液比重Battery : 0. 01sg
電池液比重Atc automatic temperature compensation for accurate measurements without recalibration after shifts in ambient working temperature
電池液比重: 0 . 01sg零點校準:用20c的蒸餾水在20c的環境中校準。分享友人