本底計數 的英文怎麼說
中文拼音 [běndejìshǔ]
本底計數
英文
backboneground count-
On this foundation the article inducts in detail the method which is based on the relative settlement of calculating unit area end support ( qb ) force at the same time considering the feature of pedestal pile ' s " arch effect " the article introduces conception of pile effective length and finally obtain t he formula of calculating man - made pipe with bulb - shaped axial carrying capacity. the article uses marc program to calculate and analyze foundation soil ' s stress and displacement and gets the change curve chart and the proportion that is shared by king - pipe side soil friction resistance and pipe end counterforce respectively. the article inducts the structure of pedestal in detail on the basis of generalizing pedestal application cases of many countries
在此基礎上論文詳細歸納了以相對沉降為依據確定單位面積端承力q _ b的計算方法,並考慮擴底樁的「拱效應」特點引入了有效樁長的概念,最後結合公路規范推出了比較實用的人工挖孔擴底樁軸向承載力計算公式。論文運用了marc程序對地基土的應力和位移進行了有限元數值計算分析,得到了地基土的應力和位移場的變化曲線和在加載過程中樁側土摩阻力和樁端反力各自所承擔的比例;本文還在總結各國挖孔擴底樁應用情況的基礎上就擴底樁的構造進行了詳細的歸納。The background count of the detector is 4~6 counts 1 min.
探測器的本底計數率為46脈沖1分。After all, hong kongs economy fared pretty well even before we had detailed balance of payments statistics to worry over, and the history books suggest that disraelis did too
歸根究底,即使我們以往並無編制國際收支平衡的詳細統計數字,本港經濟仍有不俗的表現。翻查歷史資料,其實迪斯累里在任的時候,英國的情況亦是如此。The most important feather in this design is that the number of motors have controlled only in two and de - scend the motors on the base. ( one motor used for turn motion of the base, whereby maked the manipulator motion in throughout space. another motor used to drive the manus ) excepted for adopped synchronization bell which have light weight and accu - rate gear ratio to reliefed relatively the weight of manipulator ' s device
在本設計中除了採用材質輕而又傳動比準確的同步帶傳動可以相對減輕手臂傳動機構的重量之外,最主要的特點足將電機數量控制在兩臺(一臺用於底座的回轉運動,從而實現機械手在整個空間的運動;另一臺用於驅動手臂的運動)並將電機下置於底座。Client supplies complete graphic user interface, accomplishing the management of jobflow and system ; communication agent accomplishes complete communication between client and server by tcp / ip network communication protocol and platform independent data communication protocol ; server supplies full support of jobflow, the superstratum are the jobflow definition subsystem and jnwengine, which are responsible for the definition and execution of jobflow ; the understratum is the network queue system, which realized the schedule and execution of job, thus all kinds of sources in computer network system can be utilized in order to improve execution efficiency and reduce job cost
客戶端提供完全的gui用戶界面,完成用戶對作業流的管理及對系統的管理功能;通訊代理採用tcp ip網路通信協議以及與平臺無關的數據通訊協議來實現客戶與服務器之間的完全通訊;服務器端提供對作業流的全面支持,上層由作業流定義子系統和作業流引擎負責完成對作業流的定義與執行,底層使用網路隊列系統( nqs )來實現對作業的調度與執行,使用戶能夠最大限度地利用計算機網路系統中的各種資源,以提高執行效率、降低作業成本。Server supplies full support of jobflow. the superstratums are the jobflow definition subsystem and jnwengine, which are responsible for the definition and execution of jobflow. the understratum is the network queue system ( nqs ), which realizes the schedule and execution of job, thus all kinds of resources in computer network system can be utilized in order to improve execution efficiency and reduce job cost
客戶端提供完全的gui用戶界面,完成用戶對作業流的管理及對系統的管理功能;通訊代理採用tcp ip網路通信協議以及與平臺無關的數據通訊協議來實現客戶與服務器之間的完全通訊;服務器端提供對作業流的全面支持,上層由作業流定義子系統和作業流引擎負責完成對作業流的定義與執行,底層使用網路隊列系統( nos )來實現對作業的調度與執行,使用戶能夠最大限度地利用計算機網路系統中的各種資源,以提高執行效率、降低作業成本。This scheme integrates universual data accesss technology of microsoft, which plays a more and more important role in three - lay c / s ( client / server ) and uses the technology of ado ( active data access ), adopts the asp script language in display the results and uses stored procedure of sql server in databases design. in the system of b / s, client realizes a high efficient access to the server database through displaying diversified active controls in browser and using ado to access the data source. the disposing of data accures under the database not in the font of this system. this kind of scheme cannot only bring the system a higher real time response, but also decrease data runoff of the networks, lower the possibility that web server becomes bottleneck of the system and make the system more transplantable
當前的web數據庫訪問技術正處于發展階段,針對這種情況,本文通過分析當前各種流行的web數據庫訪問方案的優缺點,結合在三層次的c / s系統中扮演越來越重要的角色的中間件技術,採用了microsoft公司所提出的一致數據訪問技術,利用ado控制項,結合當前的asp語言,底層數據庫採用了sqlserver7 . 0的存儲過程技術,設計了一種自己的web數據庫訪問方案,即在browser / server系統當中,客戶端通過顯示在瀏覽器中的各種activex控制項,通過了ado連接數據庫,數據的處理利用了存儲在數據庫內部執行,實現對後端數據庫的高效訪問,並且這種方案在給系統帶來較高的實時響應性能的同時,減少了網路數據流量,降低了web服務器成為系統瓶頸的可能性,也增強了系統的可移植性。This thesis introduces the working principle, craftwork requirement, modeling process, control strategies and the realization of lf refining furnance bottom blowing argon control system. through the study and analysis of bottom blowing argon process control system, the thesis discusses the mean neural network model of controlled object and the mathematical models of the exectors, pwm adjustable pressure controller and pcm adjustable flux controller according to the relevant liquid knowledge and relevant data, including design data, test data and running data. to begin with the craftwork reguirement of bottom blowing argon and the actual instance of the control system, it presents the strategies of fuzzy parameters self - adaptive pid control used in pressure difference inner loop and fuzzy plus pi compound control used in flux outer loop which are based on the above modeling in order to carry out the accurate control of argon flux
本文介紹了lf精煉爐底吹氬過程式控制制系統的工作原理、工藝要求、建模過程、控制策略以及控制系統的實現。通過對精煉爐底吹氬過程式控制制系統進行研究與分析,並根據流體力學的有關知識以及有關數據(其中包括設計數據、試驗數據和運行數據) ,建立起了被控對象的平均神經網路模型和執行機構(即pwm調壓器和pcm調流器)的數學模型。在此模型的基礎上,從底吹氬工藝要求和控制系統的實際情況出發,提出了壓差內環模糊參數自適應pid控制策略和流量外環模糊pi復合控制策略,以實現氬氣流量的精確控制。The background count of the detector is 4 6 counts 1 min
探測器的本底計數率為4 6脈沖1分。Low background pulse counting assembly
低本底脈沖計數裝置The design undertaken mainly from the following aspects : 1, mechanism ddesign : included the base and the joints : 2, trasmission mechanism design : adopted a synchronous toothelike transmission bell ; 3, balance system design : adopted springs and a brake and a lay air cylinder ; 4, design parameter and verify alculation ; 5, established motion equation by d - h method ; 6, simulated the motion locus by matlab software ; 7 ^ mapping out the part drawing or asesembly drawing
本設計主要是從以下幾個方面入手: 1 、機構設計:包括底座和臂關節的設計; 2 、傳動機構設計:將驅動電機安裝在底座上,利用同步齒型帶、離合器傳遞手臂的動力;利用齒輪傳動帶動底座回轉; 3 、平衡系統設計:採用了彈簧平衡系統、電磁式制動器和單向延時氣缸; 4 、設計參數和校核計算; 5 、用d ? h法建立運動學方程; 6 、利用matlab軟體對手臂的運動空間進行模擬; 7 、利用autocad2000繪圖:包括零件圖和裝配圖。Product control : transfer a prescribed quantity of the product ; determine the number of bacteria, fungi or yeasts in sample
供試品對照組取規定量供試液,按菌落計數方法測定供試品本底菌數。A time scale of the sample sn has been reconstructed by a polynomial fitting with 9 dated ages and further tested by annual band counting results. in general, the fitting polynomial line is consistent with the annual band growth rate except for that the bottom part of the stalagmite ( a height between 196 to 255mm from the top )
石筍sn通過9個~ ( 230 ) th年齡的多項式擬合建立年代序列,利用清晰可數年層段檢驗表明,除底部( > 196mm )外其它時段基本吻合; bf1結合~ ( 230 ) th年齡和年層計數法定年,年層計數結果表明定年在測年誤差范圍之內。Method to evaluate pile capacity precisely by using the coefficient of cleaning slime and coefficient of construction process and by controlling the total duration of construction is proposed herein after analyzing the influences of slime at pile bottom, thickness of mudcake by the side of pile, shape of hole wall, time of construction and construction process on the bearing capacity of large diameter cast - in - place pile
本文通過分析樁底沉渣、樁側泥皮厚度、孔壁形狀、成樁時間及施工工藝等對大口徑灌注樁承載力的影響,提出了在樁承載力計算中引入清底系數及成樁工藝系數,並控製成樁總時間以較準確地評價單樁承載力的方法。In order to decrease the influence of the interference sources during the test and acquire more reliable and more accurate data, this paper has made a comprehensive investigation on the process of performance measurement based on hardware performance monitoring, including main work as follow : ( 1 ) we have investigated the function and bottom implement of the performance monitoring hardware, and deeply studied on the ia - 64 processors with more advanced mechanism of hardware performance monitoring than others, including program counter sampling 、 period statistics 、 invalidated event address sampling and event restriction
本文以減小測試過程中干擾源的影響程度,獲得更可靠、更準確的性能數據為根本目標,對基於硬體性能監視的性能測試過程進行了深入地研究,主要包括以下研究工作: ( 1 )以ia - 64處理器為例,研究了性能監視硬體的底層實現和功能,並重點研究了ia - 64處理器上較其他處理器先進的硬體性能監視機制,包括程序計數器采樣、周期統計、失效事件地址采樣和事件限制。The process of development of the system has been discussed taking the development of workshop controller as an example, the principle of data acquisition and the algorithmic for auto count of parts have been set focus to research, at last the application of ontology technology used in the system developing has been introduced
以底層拉制器的開發為例,討論了生產線管理拉制系統的開發過程,著重研究了資料獲取的原理和零件自動計數的演算法,最後介紹了本體技術在系統開發中的應用。So in this paper, the principle of electroptical non - invasive dual - ray methods are fist present in detail. in the theorem of simple structure and low power consumption, we select detecter with fitble wavelenth and low power msp430 processor, and design high stable ray - emitt circuit, low noise pre - amplifier, background disturbance counteract circuit, the signal are low - filtered and sent to msp430 " a / d transform directly to digital signal processing
為此,本文詳細分析了光電無創雙光束法測定脈搏血氧飽和度的基本原理,在結構簡單,功耗小的原則下,選用合適發光波長的探頭和信號處理器,設計出光強穩定的發光電路,低噪聲前級,以及本底干擾對消電路,通過兩級低通直接送至ti公司的超低功耗混合信號處理器msp430進行a / d變換得到原始的數字信號。According with the development of house property development and the requirement for house information, and web site of house information service is designed in this paper. which have the foundation of house information search engine. the main function includes the website construct, the frame of function and the database design
本文結合房產市場中對房源信息的需求,探索性地描述了一個具有搜索引擎功能的房源信息服務網的實現過程,包括網路的總體結構、功能框架、底層數據庫的設計和關鍵功能的實現。Background counting rate
本底計數率Labwindows / cvi was designed to minimize the development effort required to create engineering and scientific instrumentation applications and includes numerous features to ensure the success [ 4 ]
儀器驅動器的設計是在labwindows / cvi中完成,本設計採用labwindows / cvi集成的visa ( virtualinstrumentationsoftwarearchitecture )函數庫實現測控機與gpib的底層通信。分享友人