管差壓計 的英文怎麼說
中文拼音 [guǎnchāyājì]
管差壓計
英文
u tube differential gage-
This article introduces briefly the process of design and characteristic of structure of db930 tube and discusses the main problems of technology and technique which was met during the manufacture and the measures having been adopted are emphatically. it discusses the solve measures in following six aspects : the filament current is too large, carbon deposits during the carbonizing of cathode, the capacitance between the first grid and the second grid is too large, transpiring happens inside the tube, the insulation resistance between the electrodes is too lower when the filament is on and the ability of bearing high voltage is too lower
本文簡略地介紹了db930的設計過程及其結構特點，重點論述了在試制過程中遇到的主要工藝技術問題及解決問題的措施，圍繞解決燈絲電流大、陰極碳化時積碳、一柵和二柵之間的電容大、管內蒸散、熱態時極間絕緣低、耐高壓的能力差等六個方面的問題進行了論述。Our main products are micro barometer low pressure gauge low pressure capsule gauge vacuum pressure with low pressure gauge pressure gauge with electrical contact shock - proof electric contact gauge stainless steel pressure gauge dry and glycerin filled pressure gauge normal pressure gauge freon pressure gauge oxygen - acetylene pressure gauge stainless steel vacuum pressure gauges series diaphragm seal pressure gauge diaphragm pressure gauge with electrical contact pp diaphragm seal pressure gauge shock - proof pressure gauge with electrical contact diaphragm seal pressure gauge explosion - proof electric contact pressure gauge minitype pressure gauge accurate pressure gauge test pressure gauges as well as pressure gauge switch pressure separator tube pressure gauge radiator double - metal thermometer all the products can meet both national and international stands,
一般壓力表氣壓表抗震壓力表充油壓力表全不銹鋼壓力表膜盒微壓表電接點壓力表冷媒壓力表真空壓力表壓力真空表隔膜壓力表微型壓力表差壓表微差壓表絕壓表精密壓力表耐高溫壓力表蒸氣壓力表汽車燃氣壓力表醫用壓力表遠傳壓力表衛生型壓力表壓力表緩沖管壓力表冷凝散熱器壓力表翅片散熱器壓力表開關不銹鋼連接彎管不銹鋼連接軟管轉換接頭油壓連接頭壓力表針閥節流閥及過壓保護附件濾油網加油口油溫油麵計雙金屬溫度計等。In the research, the high accuracy pressure sensors and numeric vernier calipers are adopted, and computers are used to collecting and dealing with original data, and managing database
研究中採用高精度差壓傳感器、數字卡尺計量技術，由計算機實現採集控制、數據處理及數據庫管理功能。The system parameters are developed at the same time, and some universal conclusions on the theoretical analysis of pll are reached. then, we have carried on analysis and research to the theory of differential delay ring voltage controlled oscillator ( vco ). on this basis, a improved differential delay ring vco with more efficient loads is described. this circuit has been designed and implemented in 0. 35 m cmos technology
本文還對差分延遲結構環形壓控振蕩器電路進行了深入的分析與研究，並提出了一種基於高質量電阻電路的主從差分延遲結構環形壓控振蕩器，其採用了一種新型的主從差分延遲結構，並用一個更有效、更穩定的負載電阻電路結構來替代vco設計常使用的單個mos管電阻結構，使其系統穩定性有了相應提高。Now we have the small and medium - sized business of representative for a company ' s electromechanical profession in homeland, the manpower resource management present situation investigation analysis, discover the program of the manpower resource of a company ’ s recruit 、 training 、 effect check and salary reward system have many problems : the function of a company ' s manpower resource management is as follows, the company ’ s management is the experience of each department class cadre of straight line, especially lacks effect check system ; employees lack competitive consciousness, lacking actuating pressure, the employees lose initiatives gradually ; the manpower resource management of a company is confined to only somewhat daily recruit, salary capital calculation provide wait for general affairs, manpower resource management is not obvious for strategic influence as well as and strategic connection
在筆者對a公司這樣一個在國內機電行業具有代表性的中小型企業的人力資源管理現狀進行調查分析后，發現a公司的人力資源的規劃、招聘、培訓、績效考核及薪酬體系存在很多問題： a公司人力資源管理的功能不足，甚至缺失；公司以各直線部門班幹部的經驗化管理為主，尤其缺乏績效考核體系；員工普遍缺乏競爭意識，缺乏工作壓力，由於缺乏績效評估，沒有有效的激勵，干好乾壞差不多，員工逐漸失去進取心； a公司的人力資源管理只限於一些日常的招聘、薪資計算發放等事務，人力資源管理對戰略的影響以及和戰略的聯系都不明顯。Static pressure is the designed pressure difference within the pipeline between two testing points. it is a necessary date when selecting different types of pressure gauges
靜壓是差壓表兩個檢測點所在管道內的設計壓力。它是差壓壓力表選型時必需的數據。Differential pressure gauges is used to test the pressure difference between two points, it is a mechanical pressure gauge that can directly indicate the pressure difference on the instrument meter
靜壓是差壓表兩個檢測點所在管道內的設計壓力。它是差壓壓力表選型時必需的數據。Calculating and analysing result indicates that the control point located in the joint of first user and main pipe and the pressure difference equaled to the design value can satisfy the demand flow rate of the users and save energy
計算分析結果表明，將控制點設置在第一個熱用戶與主幹管的連接處、控制壓差設為該處的設計工況壓差既能保證熱網中各用戶流量又較節能。According to the high dispersedness and low precision of measurements when using the traditional time difference method in small diameter and low flow rates conditon, this paper brings forward a new method based on high - speed data acquisition technique. the time difference comes out accurately with high resolving ability of time by using the method and the signal processing algorithms. the developed ultrasonic detection system is composed of two ultrasonic detectors, a transmitting and receiving ultrasonic unit, a high - speed data acquisition unit and a computer
本文針對傳統的時差法在小管徑、低流速測量時，具有測時結果分散性大、測量精度受計數頻率的影響大等不足，創造性地把高速數據採集技術應用在超聲波流量、壓力測量上，用信號處理演算法求時差，使時差成為一個統計量，有效地克服了超聲波傳統時差法測量精度差、不能測量小管徑、低流速流體流量的缺點，提高了時差測量的解析度和精度。Based on the navier - stockes equation, the finite difference method was applied to variance the simplified n - s equation on cylindrical coordinate system. then, 3 - d model of the spiral flow locally generated in circular pipe with steady and axial - symmetry condition was founded. the ordinary iterative method of gauss - seidel was induced
太原理工大學碩士學位論文本文以局部起旋條件下的圓管螺旋流為模擬對象，從以速度和壓強為自變量的微分方程一navier一5tokes方程出發，利用有限差分法對柱坐標系下簡化后的n一s方程進行離散，建立定常的、軸對稱的三維計算模型。The influence arising from the anode voltage and gas pressure of gas - flow proportional counter and ambient temperature on the measuring error of the setup has been investigated by means of experiment
實際測得了流氣正比計數管陽極高壓、工作氣壓和環境溫度對軟x射線熒光測量裝置測量誤差的影響。At the same time, its precision is obvious well than experiment one. square root of the average of the square summation of the difference between all estimated node water pressure h * and all real node water pressure h0 is 2. 04m in xi ' ning network
計算表明，模糊聚類選擇的測壓點具有較好的代表性，估計的40個節點水壓值與實測值誤差的方均根為2 . 04m ，估計精度較高，能滿足管網模擬的要求。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。It is more accurate than traditional method at the aspect of calculating head loss, pipe flow and node pressure of hydrant. this mathematic model can also be used in the inside and outside of water supply piping calculation and it is excel hardy cross - piping calculation
該方法在計算水頭損失、管段流量、消火栓節點壓力等方面比傳統方法要更加準確，也可被借鑒到室內或室外的給水管網計算，並優于常見的哈代-克羅斯管網平差方法。According to negative temperature coefficient of vbe and positive temperature coefficient of vt, a framework of band - gap voltage reference is investigated. the reference offer a source of pir, distributed three voltage, one as upper - threshold voltage of dual - threshold comparator, the other as lower - threshold voltage of comparator, the other as direct current voltage for second band - pass filter amplifier
同時利用pnp晶體管發射結電壓的負溫度特性和發射結差值電壓的正溫度特性設計了一個帶隙基準電壓源。此帶隙基準電壓源本身作為熱釋電紅外傳感器的電源電壓，同時分壓提供雙限電壓比較器的上限電平和下限電平以及第二級帶通濾波放大器的直流電平。The thesis has done the widespread investigation and study to the domestic and foreign ’ s technologies of analogy low voltage and low power, and analyzes the principles of work, merts and shortcomings of these technologies, based on the absorption of these technologies, it designs a 1. 5v low power rail - to - rail cmos operational amplifier. when designing input stage, in order to enable the input common mode voltage range to achieve rail - to - rail, it does not use the traditional differential input pair, but use the nmos tube and the pmos tube parallel supplementary differential input pair to the structure, and uses the proportional current mirror technology to realize the constant transconductance of input stage. in the middle gain stage design, the current mirror load does not use the traditional standard cascode structure, but uses the low voltage, wide - swing casecode structure which is suitable to work in low voltage. when designing output stage, in order to enhance the efficiency, it uses the push - pull common source stage amplifier as the output stage, the output voltage swing basically reached rail - to - rail. the thesis changes the design of the traditional normal source based on the operational amplifier, uses the differential amplifier with current mirror load to design a normal current source. the normal current source provides the stable bias current and the bias voltage to the operational amplifier, so the stability of operational amplifier is guaranteed. the thesis uses the miller compensate technology with a adjusting zero resistance to compensate the operational amplifier
本論文對國內外的模擬低電壓低功耗技術做了廣泛的調查研究，分析了這些技術的工作原理和優缺點，在吸收這些技術成果基礎上設計了一個1 . 5v低功耗軌至軌cmos運算放大器。在設計輸入級時，為了使輸入共模電壓范圍達到軌至軌，不是採用傳統的差動輸入結構，而是採用了nmos管和pmos管並聯的互補差動輸入對結構，並採用成比例的電流鏡技術實現了輸入級跨導的恆定;在中間增益級設計中，電流鏡負載並不是採用傳統的標準共源共柵結構，而是採用了適合在低壓工作的低壓寬擺幅共源共柵結構;在輸出級設計時，為了提高效率，採用了推挽共源級放大器作為輸出級，輸出電壓擺幅基本上達到了軌至軌;本論文改變傳統基準源基於運放的設計，採用了帶電流鏡負載的差分放大器設計了一個基準電流源，給運放提供穩定的偏置電流和偏置電壓，保證了運放的穩定性;並採用了帶調零電阻的密勒補償技術對運放進行頻率補償。5years hr experience prefer in mne or large enterprises, familiar with recruitment channel and interview techniques, competent in both written and oral english, good computer skills, integrity and honest, enthusiastic and resilient, can travel frequently
5年外資或大型企業人力資源管理工作經驗，熟悉招聘渠道及面試技巧，良好的英文和計算機操作能力，誠實正直，有熱情，能承受一定工作壓力，適應不定期出差。The surges in the throttled, simple, downriver throttled and simple and differential surge tanks and the calculating method of the waterhammer pressure in pipe systems have been studied through the theoretic analysis and experiments in the paper
本文根據理論分析和模型試驗相結合的方法，研究了阻抗式、簡單式、尾水阻抗式和簡單式、差動式調壓室的水位波動過程和壓力管道水擊壓強的計算方法。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。分享友人