倍增效應 的英文怎麼說
中文拼音 [bèizēngxiàoyīng]
倍增效應
英文
multiplication effect-
The polyester fibre of resisting bacterium is one without which people can t live in modern times, but how to restrain the bacterium propagating excessively and keep people in health is a most important goal that fabrics and clothing industry are striving for. fibre of resisting bacterium can kill the bacterium effectively with the ratio of more than 99 % and it can restrain microbes. the polyester fibre of resisting ultraviolet radiation is also widely used. with the decreasing of ozonospheres in the atmosphere, there are more ultraviolet radiation in the sunlight which do harm to our skin, especially for those men working outdoors, it is more important to think about the way to lessen the harm. the polyester of burning - resisting has attracted more attention at home and abroad and burning - resisting textiles has been advanced definitely by law in many countries. our nation has also made strict claims in some special areas, such as fabrics in vehiciles and vessels, decorative fabrics in hotels. the everlasting burning - resisting fibres and textiles are badly needed. infrared ray fibre is also a new functional one that can absorb and reflect infrared ray after being processed physically. it s functions include physical therapy wet - ejecting and bacterium - restraining. this warm - preserving material can absorb the emitting heat from our bodies, at the same time it can also absorb and reflect the needed 4 - 14 urn wavelength ultraviolet radiation and accelerate netaboiism. fibre of resisting infrared ray is important in military areas
抗菌纖維具有永久的抗菌性，對金黃色葡萄球菌、大腸桿菌殺菌率大於99 ，能有效抑制細菌繁殖，起到抗菌防臭作用；抗紫外線聚酯纖維的用途也是異常廣泛的，隨著大氣層中臭氧層的日漸稀薄，日光中的紫外線日益增加，對人體皮膚形成極大危害，尤其對于長期從事野外工作的人，因此設法減少紫外線對人體的傷害顯得尤為重要；阻燃聚酯纖維則是一種倍受國內外人士密切關注的纖維，紡織品阻燃在許多國家已有明確法令規定，我國也逐漸在某些特殊使用范圍做嚴格要求，如車船內用紡織品，高級賓館的內裝飾織物等，而且具持久性阻燃性的纖維和織物是現在更為需要的，真可謂用途非常廣泛；遠紅外纖維也是一種經過物理改性后具有吸收並反射遠紅外線的新型功能性纖維，是一種具有優良理療功能、熱效應功能和排濕透氣抑菌功能的新型紡織材料及保溫材料，能吸收人體自身向外散發的熱量，吸收並反射回人體最需要的4 14 m波長的遠紅外線，促進人體的新陳代謝；抗紅外線纖維，則在軍事上有著重要的作用。Geotechnic centrifuge model test technique utilizes the equivalence between centrifugal force field and gravitational field ; model dimension dwindles into 1 / n times of prototype " s, but the body force on the model increases n times. the strain and stress of model is equal to prototype " s, but the displacement of prototype is n times of model " s
土工離心模型試驗技術利用離心力場和重力場等效性，將模型尺寸縮小到原型尺寸的1 / n ，同時作用在模型上的體積力增大n倍，這時，模型中各點的應力、應變與原型中對應點的應力、應變相等，原型和模型對應點的位移成n倍關系。According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d
本文首先介紹了ld泵浦nd ： yag激光器的發展狀況、主要特性及其應用，從四能級速率方程出發，推導了ld泵浦nd ： yag激光器的閾值、輸出功率和斜效率的表達式，並簡述了激光器的工作原理、結構型式和倍頻方法；其次，以空間相關的速率方程為基礎，提出了ld端面泵浦nd ： yag激光器的設計方法，給出了一定泵浦耦合方式下，振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據，以此為依據，設計了自聚焦透鏡耦合小功率ld泵浦nd ： yag激光器和透鏡組耦合高功率ld泵浦nd ： yag激光器，對激光器的輸出功率和功率穩定性等特性進行了實驗研究；再次，在帶尾纖輸出的高功率ld泵浦nd ： yag激光腔內插入一隻空液晶盒，觀察到了激光器以單縱模運轉；最後，根據泵浦光焦斑端面位置對激光輸出功率的影響規律，提出了ld端面泵浦nd ： yag激光位移傳感新方法，並進行了理論和實驗研究，研究結果表明：當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時，激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律，測量范圍和靈敏度依賴于泵浦功率，隨著泵浦功率的增加，測量范圍擴大，靈敏度提高，當端面泵浦功率為7 . 24w （最大輸出功率為1 . 926w ）時，激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。Owing to the field enhancement in the domain, the avalanching gain and recombination radiation are induced and the switches occur the special phenomenon of the lock - on effect
由於單極電荷疇內電場強度增大，從而導致開關體內載流子雪崩倍增和輻射復合，引發了lock - on效應的特有現象。In the pan - prd regional economic cooperation, it gives full play to hunan to take advantage of transportation advantages, resources advantages, agricultural and industrial advantages, the consumer market advantage, talent advantage, market advantages to integrate with system innovation advantages, capital advantages, information advantages, resources advantages and technical advantages formed since the beginning of reform and opening. while playing their respective absolute advantages and comparative advantages, they can achieve bidirectional docking in industries, markets, technology, information, services and get the enlarged effects and multiplier effects
在泛珠三角區域經濟合作中，湖南省可以充分發揮區位優勢、交通優勢、資源優勢、工農業優勢，消費市場優勢、人才優勢，同珠三角改革開放以來所形成的市場化優勢，制度創新優勢、資本優勢、信息優勢、資源優勢、技術優勢緊密地結合在一起，在發揮各自的絕對優勢和比較優勢的同時，實現產業、市場、技術、信息、服務的雙向對接，取得放大效應和倍增效應。A new method of absolute calibration of photodetector sensitivity based on spontaneous parametric down - conversion ( spdc ) biphoton field is described. the process of spdc is studied theoretically. the single photon detection probability and two - photon coincidence probability are derived and the calibration principle for photodetectors is explained. an experimental system has been set up. the sensitivity of a photon - counting photomultiplier tube was measured, and the results were compared with those obtained using conventional method
討論了一種基於自發參量下轉換雙光子場絕對校準光電探測器靈敏度的新方法，著重推導了對自發參量下轉換過程中產生的單光子的探測概率和雙光子的符合速率，從而闡明了絕對測量光電探測器量子效率的原理.基於這一方法對光子計數型光電倍增管的響應靈敏度進行了測量，並將實驗結果與常規方法測得的結果進行了比較However, the content of coq10 in wild strains of psb is limited after all. through construction of recombinant strain producing coq10 and optimization of the culture medium and fermentation conditions of a selected strain, the content of coq10 in psb will be increased markedly. it can not only remarkably strengthen the effect of psb feed additive, but also lay foundation for the exploitation of coq10
但野生型psb菌株coq _ （ 10 ）含量終究有限，如能選擇合適菌株進行培養優化，並通過構建基因工程菌，使菌體中coq _ （ 10 ）的含量成倍提高，則不僅可顯著增強psb飼料添加劑的應用效果，更重要的是，為coq _ （ 10 ）相關產品的研發奠定良好的基礎。Gaas pcss have many advantages over others in response speed, the transfer efficiency of light into electricity and high voltage resistant, especially they can operate in a nonlinear mode with high gain which can reduce the triggering optical energy by 3 - 5 orders of magnitude comparing to the conventional linear mode. this makes it realistically possible to realize the miniaturization, practicality and integration of the system of pcss 。 this paper summarized pre - used ultra - wideband source circuit using pcss, and the exhaustive theoretic analysis of traditional auston circuit and pulse - forming circuit is presented
Gaas光導開關與si光導開關相比具有響應速度快、傳輸效率高、耐高壓的能力強，尤其是它除可以按常規的線性模式工作以外，還存在一種高增益的非線性工作模式，這種模式可使光導開關導通的光能比常規模式降低3 ~ 5個數量級，從而為光導開關的小型化，實用化，集成化提供了現實的可能性，因而倍受人們的關注。By applying good time management skills, you can double and then triple your productivity. before beginning anything, set priorities and concentrate on the most valuable use of your time
運用良好的時間管理技巧，能夠讓產品翻倍增長.在開始任何行動之前，應該預先擬訂優先級，集中盡力有效地運用時間分享友人