pumping source 中文意思是什麼
pumping source
解釋
泵浦源-
The characteristics of high pressure gyratory sprayed pumping discusses is presented, which is applicable in wide range of scope and ground layers, convenient for construction, long durability, wide source of materials. mechanism for subgrade strengthening : complex foundation of cement solid and earth between piles was formed by pulsant load of flowing pressure and spraying flow, water wallop, cavitation phenomenon, water wedge effect, extrusion force and air flow agitation etc so as to enhance foundation bearing force and reduce settlement and deformation
高壓旋噴注漿技術具有適用范圍、適用地層較廣，施工方便，耐久性好，材料廣闊等特點；其加固地基機理主要是通過流動壓、噴射流的脈動負荷、水塊的沖擊力、空穴現象、水楔效應、擠壓力、氣流攪動等效應形成水泥固結體與樁間土的復合地基，從而提高地基承載力，減少沉降變形。 -
6. by comparing the relative intensity between 914nm radiation and 1064nm radiation in nd : yvo4 with different nd concentration. we design a 457nm all - solid - state blue laser as pumping source for qpm - opo
在不同摻雜濃度時， gi4nm譜線與1064urn譜線的輸出強度的相對變化，進廳了半導體激光器泵浦d ： yv0 。 -
The results are as follows : ( 1 ) if we increase the pumping water by 493 x 104m3, the amount of leakage recharge of rubber dam will rise by 231x 104m3 ; which indicates pumping by rubber dam can excite much more surface water infiltrate so as to supply groundwater. thus the utilization ratio of water source is increased, and it provides the reliable guaranty for enough supply of the groundwater storage in wet year. ( 2 ) under the condition of present status, the groundwater exploitable resource in wet year is 3670 104m3
最後，通過數值法反復調算計算出本區地下水的允許開采量，計算結果表明，在現狀開採的條件下，大沽河地下水庫豐水年（ p = 20 ）時地下水允許開采量為13670 10 ~ 4m ~ 3 ，平水年（ p = 50 ）時地下水允許開采量為12054 10 ~ 4m ~ 3 ，枯水年（ p =加% ）時地下水允許開采量為10951xl了砰。 -
Lwac is becoming one of the important trends in the development of modern concrete. to solve the problems such as poor workability, large shrinkage value and crack easily of lwac, on the basis of systematic experiments, the author establishes lwac workability evaluation system and advances the testing method of pumping performance of lwac ; the control technology of discrete of lwac is introduced through analyzing structure formation process and establishing the mathematic model ; based on studying the strength source of lwac and the function mechanism of artificial additive, this paper not only confirms some major factors which affect concrete strength but explores the preparation technology route of high strength lwac ; the different effects of several fibers in lwac have been studied, and the fiber is introduced in pumping lwac to improve its crack - proof performance
本文針對輕集料混凝土工作性能差、收縮變形大、易於開裂等問題，根據大量實驗建立了高強輕集料混凝土工作性能的評價體系，提出了高強輕集料混凝土可泵性的測試方法；通過分析輕集料混凝土的結構形成過程，建立了輕集料混凝土拌和物物料運動的數學模型，提出了防止輕集料混凝土分層離析的技術措施；通過對輕集料混凝土強度來源和礦物摻合料的作用機理的深入研究，確定了影響輕集料混凝土強度因素的主次關系，提出了配製高強輕集料混凝土的技術路線；研究了纖維在輕集料混凝土中的增強增韌、減少收縮的作用機理。 -
The source and sink is mainly pumping well
源匯項主要是抽水井。 -
In this paper, a new theoretical model is established for optical fiber pumped by broadband laser. using the new model, we have analyzed the influence of longitudinal - mode number, bandwidth and line - width of pumping source on sbs reflectivity, and pointed out the monochromaticity of pumping laser has obvious affect on optical fiber conjugator
成功解釋了激光線寬、縱模間隔與數目對光纖中sbs過程的影響，並通過數值計算分析了sbs閾值、反射率、相對穩定性、保真度等性能參數隨著注入激光能量、脈寬以及光纖長度、芯徑的變化趨勢。 -
Power supplies for pumping light source
激發光源用電源供應器 -
The paper also introduces the scope, tasks, approaches, and goals of sandstorm source control project in and around beijing and tianjin, pointing out the danger of solely depending on drilling 286 400 wells and pumping excessively the underground water to maintain vegetation of trees and grass, for once the ground sinks, the underground reservoir will disappear forever
同時文章介紹了京津風沙源治理工程的范圍、任務、方式和目標，並指出完全依靠打28 . 64萬眼井，長期超采地下水來維持林草植被生長，一旦引起地面下沉，會永遠失去地下水庫。 -
Based on the character of the eof gain at 1550 nm, a laser diode ( ld ) worked at 980 nm and acted as the pumping source, a eof employed as gain medium, and a fiber grating used as reflector, an ring - cavity all - fiber laser worked at 1562. 5 nm was demonstrated with an output power of 2. 0 mw and a bandwidth of 0
本文主要基於摻鉺光纖在1550nm波段的增益特性，利用帶尾纖的980nm半導體激光器作為泵浦源，鉺光纖作為增益介質，布拉格光纖光柵作為諧振腔反射鏡，實現了波長為1562 . 5nm的環形腔光纖激光器，得到了2mw的激光輸出。 -
In the fourth chapter, the coupling system between the fiber - coupled - output high power semiconductor laser acting as the pumping source and laser crystal is studied
第四章研究了作為泵浦源的光纖耦合輸出大功率半導體激光器與激光晶體間的耦合系統。 -
High power laser diode array is mainly used as the pumping energy source for solid state laser
大功率激光器陣列的重要應用是泵浦固體激光器。 -
Laser dye doped in the sample is pyrromethene 567. longitudinally pumped tunable solid - state dye lasers using intra - cavity grating were established with q - switched frequency - doubled nd : yag laser pumping source
在激光寬帶輻射實驗中，獲得了7nm （ fwhm ）的激光輸出，斜效率達69 。 -
Presents the field test data around a year of a groundwater source heat pump with pumping and recharging in the same well ( gshpprsw ) project in beijing, including the inlet and outlet groundwater temperature, groundwater flow rate and temperature of observation wells
給出了北京某同井回灌地下水地源熱泵工程近一年的現場試驗數據，包括進出口水溫、地下水流量、測井溫度。 -
Determination of match power in electric motor of the muddy water source pumping station
多泥沙水源泵站電動機配套功率的確定 -
Laser diode is the most efficient pumping source for solid - state - lasers
激光二極體是固體激光器最有效的泵浦源。 -
Because high power ld is low cost, easy to manipulate and has high power output, it becomes the best option for pumping source of fiber laser
帶尾纖輸出的大功率半導體激光器具有成本低、易操作、輸出功率大等優點成為光纖激光器泵浦源的首選。
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