指數式增加 的英文怎麼說
中文拼音 [zhǐshǔshìzēngjiā]
指數式增加
英文
exponential increase-
It is found that with fixed laser power and increasing exposal time, the increasing of the depth of exposal grows slower, the exponential increasement can be express by the equation :, the depth of exposal becomes satured with increasing exposal time ; with fixed exposal time and increasing laser power, the depth of exposal increases linearly and can be express by the equation : y = 40
結果表明，當固定曝光功率，不斷增加曝光時間時，曝光深度的增加趨于緩慢，程指數曲線形式變化，可表示為，當曝光時間不斷增加時，曝光深度的增加趨近於飽和;當固定曝光時間，不斷增加曝光功率時，曝光深度程線性趨勢增加，可表示為y = 40 . 5x0 . 151y = 0According 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 。Based on the spectral irradiance measured with the sun - atmosphere ultraviolet spectrum radiometer ( sauvs ) developed by the institute of atmosphere physics and the changchun institute of optics and fine mechanics, chinese academy of sciences, measuring the direct and scatter irradiance spectrum of ultraviolet waveband which arrives in beijing global surface, giving a method of retrieving the aerosol optical depth ( aod ) and put up with primary results that exponential function can fit the retrieval results according to its visibility, putting forth different coefficients and functions on variable visibility, also giving a primary analysis on the aod in dust - storm day and some contrast between sun - day and dust - storm day, analyzing the ratio between scatter and total irradiance, and its relationship with atmosphere mass and total atmosphere optical depth, lastly contrasting with the survey results by aeronet beijing station, the results of retrieval is in reason, this work gives some help in researching the co - effect of aerosol - radiance - climate and makes preparation for further survey on the radiance characteristics of dust
利用中國科學院大氣物理研究所與長春光學精密機械研究所合作研製的太陽?大氣紫外光譜輻射計（ sauvs ） ，測量到達北京地表的太陽直接和散射紫外光譜輻射，導出了大氣氣溶膠的光學厚度。初步結果表明：北京紫外波段大氣氣溶膠的光學厚度在絕大部分情況下隨波長的增加而單調減小，用指數函數可以較好地擬合反演結果，統計得到了三個水平能見度狀況下擬合函數的系數值和公式表達式；初步分析了揚沙、浮塵、沙塵暴天氣條件下氣溶膠光學厚度的特點，並與一般晴朗天氣條件下的氣溶膠光學厚度特點做了比較分析；分析了太陽紫外譜輻射中散射輻射與大氣質量、大氣總光學厚度的定性關系和定量表達式；最後與全球氣溶膠監測網路（ aeronet ）北京站的資料做比對，表明反演結果基本合理。Results show that, clogging situation caused by interception and adsorption of suspend substances or by growth of microorganism, all tends to decrease with negative exponential from, following the increase of infiltration layer depth
結果表明，不管是懸浮物截留、吸附，還是微生物的生長，所造成的堵塞狀況都呈現出隨濾層厚度增加按負指數形式遞減的趨勢。Plc, robot and cad / cam are called the three major pillars in the modem factory automation. plc, as the head of the three, has become the leading basic automatic equipment in the field of the industry control in the early 1980s " but as a matter of fact, plc being with the lack of friendly man machine interface, rnakes no close relationship between human and machineometimes it even can not be promoted and applied in some fields aiming at the situation mat those imported products are too expensive while domestic products are of rare famous brands, a plc man - machine interface - plc monitor is developedthis paper systemically introduces the developing procedure for the whole system, including how to design hardware and software system. especially emphasizing plc communication protocol. real time message accessing, lcd controller instruction set, definition of data construction for message & tag screens and how to display thern, assignment of internal resource of cpuealization in software among plc & manitor, file format defining a nd download of user data, etcplc monitor will compensate some weakpoints of plc, and extend the application rangeimultanneously enhance the performance of plc and increase the attached value of mechanical machines, undoubtedly it will see hight market prospect
針對人機界面進口產品的高昂價格和國產品牌稀少的這一現狀，研製開發了一種plc人機界面? plc監控器。本文系統地介紹了整個系統的開發過程，包括硬體系統、軟體系統的設計及實現，重點介紹了plc通信協議，監控器的基本工作原理以及期望實現的功能，監控器電源電路、 sram存儲器掉電保護電路、 cpu監控器電路、按鍵輸入電路的設計及按鍵狀態的讀入，時鐘信息的設定與讀取， cpu液晶顯示器指令系統，信息畫面及標簽數據結構的定義及顯示方法， cpu內部資源的分配，監控器與plc通信的軟體實現，文件格式的定義以及畫面數據的下載等。 plc監控器彌補了plc一些方面的不足，可以擴大plc的應用范圍，提升機械設備的檔次，增加設備的附加價值，具有一定的市場前景。If the reels stop at a winning combination according to the posted payout table, the machine will pay out the indicated amount by increasing your coin credits shown as a
如果滾動條停在列出的支付表贏利排列組合方式上，機器將會按所指的數額增加您的硬幣顯示在機器正面If any of the play lines display a winning combination according to the posted payout table, the machine will pay out the indicated amount by increasing your coin credits shown as a
如果任何滾動條停在列出的支付表贏利排列組合方式上，機器將會按所指的數額增加您的硬幣顯示在機器正面If any of the activated play lines display a winning combination according to the posted payout table, the machine will pay out the indicated amount by increasing your coin credits shown as a
如果任何起動的滾動條停在列出的支付表贏利排列組合方式上，機器將會按所指的數額增加您的硬幣顯示在機器正面Adopting the actual county - grade database of land use firstly founded in china, combining with the comprehensive influential factors of land use change, using the correlative statistic software and the mathematic analytical methods ( principal component analysis, gray relating analysis, multivariate time series markov chain analysis, multivariate regression analysis, gm ( 1, 1 ) gray model, gray series gm ( 1, n ) model methods etc ), this paper analyses the dynamic change of land use and driving force in jiang ' an county qualitatively and quantitatively. the results indicate : 1 the land resource per capita and the area of single - land - use type in jiang ' an county are not prior to other places in yibing city or sichuan province. however, the terrain is dominant in choosing the way of land use
本文採用全國首批建立的「縣級土地利用現狀數據庫」的基礎數據，結合影響土地利用變化的經濟、社會、環境等綜合因素，採用相關分析軟體（ dps 、 spss ）和數學分析方法（主成分分析、灰色關聯度分析、多元回歸分析、多元時空序列馬爾柯夫鏈分析、 gm （ 1 ， 1 ）預測模型分析、灰色序列gm （ 1 ， n ）模型分析等方法） ，對江安縣土地利用變化及其驅動力進行定性、定量研究，研究結果表明： 1江安縣人均總的土地資源數量和單一土地利用類型的數量在宜賓或四川省區域內均無優勢；地形對土地利用方式的選擇起著主導作用；土地利用變化的總趨勢是：耕地、林地、交通用地和水域面積不斷減少，居民點及工礦用地和未利用地面積不斷增加；景觀多樣性指數呈現「 」趨勢。Through theoretic reckoning and simulating analyzing, several control strategies for shunt apf were compared and chose ip - iq arithmetic of the instantaneous reactive power theory control strategy as the right scheme to produce the instructing current. based on it, some new control arithmetic was subjoined to suppress the resonance in system and balance the dc side capacitor voltage. two topologies of main circuit were compared and chose the three - phase voltage - source converter with a split - capacitor as its main circuit structure
通過理論計算和模擬分析，比較了並聯型apf的幾種控制策略的優點和缺點，從中選擇瞬時無功理論控制策略i _ p - i _ q計算方式為指令電流產生的演算法，並在此基礎上增加了抑制系統諧振和平衡直流側電容電壓的控制；比較了並聯型apf主電路的兩種常見形式，從中選擇了三相電壓型變流器的主電路形式；算出適合該apf的直流側電容和出線電感的參數；設計出能有效消除apf產生的高次諧波的高通濾波器。The equation is y = a ebx, the interrelated coefficients are all larger than 0. 95 ; when the rainfalls are close, the volume of the surface runoff increases with the intensity of rainfall and the volume of the surface runoff is remarkable related with the maximum rain intensities of 30 minutes ; with the effect on rain harvesting acreage, the cover rate of the plants, the gradient, and the average soil thickness, the cover rate of the plants and the average soil thickness are the important factors which can affect the volume of rain harvesting. and the average soil thickness is the dominant factor. in order to get good result, we must choice the slope which the cover rate of the plants is low and the average soil thickness is thin, meanwhile increase the rain - harvesting acreage
太行山片麻巖區坡面集雨規律及集雨技術：集雨量與降雨量呈顯著正相關，並且在降雨量大於17 . 6mm時，集雨量隨降雨量的增加呈指數形式增加，擬合方程為y = ae ~ （ bx ） ，相關系數均大於0 . 95 ；降雨量相近的條件下，徑流量隨降雨強度的增大而增大，且在片麻巖山地， 30min最大雨強是影響產流的關鍵因子；在集雨面積、植被覆蓋度、坡度以及平均土層厚度等因素的共同影響下，植被覆蓋度和平均土層厚度是影響集雨量多少的主要因素，其中平均土層厚度是主導因素；而要想取得良好的集雨效果，必須在選擇植被覆蓋度低、坡面土層厚度薄的坡面的同時，加大集雨面積。An inductor constructed by layering the coil between layers of core material, the coil typica - lly consists of a bare metal material ( no insulation ), this technology is sonetimes refferred to as ” non - wirewound ”. the inductance value can be made larger by adding additional layers for a given spiral pattern
指一電感其線圈分佈在鐵芯材質的各層上，此種線圈常包含一裸露的金屬（非絕緣材料） ，這種技術有時亦叫做「非繞線式」 ，只要在既有的螺旋電路方式下，插入額外的層數，即可增加電感值。The proliferation of digital content for mobile terminals allows users to enrich their mobile lifestyle with a great variety of entertainment and personal productivity services, said timo toikkanen, general manager of nokia h. k. ltd
諾基亞香港有限公司行動電話總經理托學勤timo toikkanen指出：隨著專為流動通訊工具而設的數碼內容迅速增長，用戶可下載形形色色的個人化娛樂服務，令流動生活模式更加多姿多采。The originalities of this paper are : 1, development of a a flow cytometry - based assay for quantitative analysis of cellular proliferation and cytotoxicity in vitro ; 2, the soluble secretion of k. 562 cell lines reduce the number of pbmc, but promote the activity of pbmc in dose - dependent manner ; 3, soluble secretion of k562 cell lines can induce the no production by pbmc, but no only plays a part of the role of soluble secretion of k562 cell lines ; 4, establishing a in vitro model and giving some parameters for sreening and appraising anti - tumor medicine
本研究的創新點在於： l 、建立了用流式細胞術定量測定細胞增殖和細胞毒性的直接檢測技術； 2發現k562可溶性分泌物劑量依賴性地使pbmc細胞數量減少但活性增加； 3 、 k562可溶性分泌物能誘導pbmc產生no ，但是no的作用並不等同於腫瘤上清的全部作用。 4 、為抗腫瘤藥物篩選提供了一個體外模型，並明確了一些篩選指標。Growing affluence, a penchant for eating and a sedentary lifestyle have swollen the ranks of people who are overweight or obese in hong kong and china, doctors say
醫生指出，由於人們手頭越來越富足，加之偏愛美食，及久坐不動的生活方式使得香港和中國超重和肥胖者的人數增加。The exponents of graetz in the correlation gradually increased with the increasing of packing density, and the coefficients decreased at the same time
其中， graetz數的指數隨裝填密度的增大而稍有增加，而關聯式中的系數隨裝填密度的增大而減小。By discussing in detail the shapes and types of pump characteristic curves and the effects of geometrical parameters on them, this paper points out that the main reason of the brake horsepower of the low specific speed sewage pump increasing with capacity rapidly is that we often select larger geometrical parameters such as b2, ft and so on to enhance the capacity of the sewage pump
詳細討論了離心式排污泵特性曲線的形狀和種類，以及幾何參數對排污泵特性曲線的影響，指出排污泵設計中增大b _ 2 、 f _ t等幾何參數是導致軸功率曲線隨流量增加上升很快的原因。Pcba is a distributed algorithm which boasts no extra communication overhead. the merits of pcba are : significant reduction of rebroadcast redundancy, adaptivity, " selective rebroadcast " function and easy implementation
首先，提出了基於優先權指數的競爭廣播演算法：採用分散式計算，不需增加額外通信負荷，既適合於純廣播應用，又可應用於路由協議。分享友人