sensitivity of a range 中文意思是什麼

sensitivity of a range 解釋
疊標敏感度
  • sensitivity : n. 1. 敏感(性);感受性。2. (儀器等的)靈敏性。3. 【攝影】感光度。
  • of : OF =Old French 古法語。
  • a : an 用在以母音音素開始的詞前〉 indefinite art 1 〈普通可數名詞第一次提到時,冠以不定冠詞主要表示類...
  • range : vt 1 排列;整理(頭發等)。2 使歸類[班、行、隊];把…分類。3 〈用被動形或反身形〉加入,站住…的一邊...
  1. Abstract : as a hydrogen abstracting photoinitiator, sulfo - benzophenonehas low volatility, high sensitivity and broad photoresponse range. the binary photoinitiating system composed of sulfo - benzophenone and tertiary amine has even higher photoinitiating efficiency. three sulfo - benzophenone compounds and a new aliphatic tertiary amine were synthesized. the photographic sensitivities of binary photoinitiating systems composed ofsulfo - benzophenone and tertiary amine synthesized were measured

    文摘:合成了3種含硫二苯甲酮化合物及一種新型脂肪族三級胺光促進劑,並對其組成的二元光引發體系的引發性能進行了研究,測定了其最低固化光量。
  2. This compound was firstly used as a fluorescence carrier of chemical sensors to examine the toxic p - nitroaniline. compared with conventional methods, this sensor has lower cost, wider detection range, higher sensitivity and selectivity, better reproducibility and reversibility. 4

    與傳統的檢測對硝基苯胺的方法相比,該傳感器操作簡便,製作成本低廉,在較寬的范圍內有響應,具有較高的靈敏度和選擇性,重現性好,響應迅速。
  3. Simultaneously cross - linked and quaternized 4 - vp - co - nbuma was also investigated as humidity sensing materials and showed good linearity, high sensitivity, good high stability at high humidity and high temperature, and durability to organic solvent, etc. sensors based on 4vp - co - buma ( vp / buma = l / l ) with crosslinking and quaternization reaction of 17 hours exhibited a change of three orders of magnitude ( 104 ~ 107 ) in impedance over the range of 95 % rh ~ 30 % rh, showing high sensitivity, and little hysteresis was observed

    元件具有響應線性度好,靈敏度高,濕滯小、高溫高濕穩定性好、耐無水乙醇有機溶劑性能好等優點。其中,交聯季胺化17小時配料比為1 1共聚物濕敏元件,在33 rh 95 rh濕度范圍內,阻抗變化達3個數量級( 10 ~ 7 - 10 ~ 4 ) ,響應靈敏度高,幾乎無濕滯。
  4. An analytical mosfet threshold voltage shift model due to radiation in the low - dose range has been developed for circuit simulations. experimental data in the literature shows that the model predictions are in good agreement. it is simple in functional form and hence computationally efficient. it can be used as a basic circuit simulation tool for analysing mosfet exposed to a nuclear environment up to about 1mrad. in accordance with common believe, radiation induced absolute change of threshold voltage was found to be larger in irradiated pmos devices. however, if the radiation sensitivity is defined in the way we did it, the results indicated nmos rather than pmos devices are more sensitive, especially at low doses. this is important from the standpoint of their possible application in dosimetry

    該模型物理意義明確,參數提取方便,適合於低輻照總劑量條件下的mos器件與電路的模擬。並進一步討論了mosfet的輻照敏感性。結果表明,盡管pmos較之nmos因輻照引起的閾值電壓漂移的絕對量更大,但從mosfet閾值電壓漂移量的擺幅這一角度來看,在低劑量輻照條件下nmos較之pmos顯得對輻照更為敏感。
  5. 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 。
  6. A new enzymatic electrode for glucose determination was developed by codepositing glucose oxidase into the polymer from electrochemical oxidation of dopamine ( da ) on a pt - modified 8b pencil lead electrode, followed by electrochemically depositing an outer poly ( o - aminophenol ) film, which exhibited very good performance, such as fast current response, high sensitivity, broad linear range, excellent stability and good anti - interferent ability for ascorbic acid and uric acid

    摘要市售8b鉛筆芯經鍍鉑處理后,將葡萄糖氧化酶共沉積到新型多巴胺電氧化聚合膜中,最外層再修飾聚鄰氨基酚薄膜,研製出新型葡萄糖氧化酶修飾電極用於葡萄糖檢測。
  7. A precision force banacing accelerometer for ineration navigation application is developed. the resolution, low - sensitivity threshold and high thermal stability are considered as design parameters. in order to guarantee a low - sensitivity threshold while maintaining robustness against shock, push - pull type long flexures are used in this paper. to improve thermal stability, this paper discusses the use of electromagnets as a magnetic fied source. the silicon pendulum assembly and modified inducance type pick - up is also developed to reduce assembling procedure. the measure range of accelerometer is 0 - 70g

    加速度計的解析度、靈敏度閾值和高的熱穩定性是設計時主要考慮的參數。本論文中使用推?挽式長撓性結構來保證低靈敏度閾值,同時保證抗振魯棒性。為了提高熱穩定性,本文中討論了利用永久磁鐵作為磁場源;微加工技術被引入擺組件的結構設計和利用力矩線圈作為激勵線圈來簡化電感式的檢測裝置。
  8. This dissertation makes detailed research on the characteristics of high resolution range profiles ( hrrps ). according to the scattering center model theory, the aspect sensitivity of hrrps, its relationship with other factors and its evaluation methods are analyzed in detail. a method to improve aspect stability of hrrps is proposed

    本文詳細研究了高分辨距離像的特性,基於目標散射點模型,分析了一維距離像的方向敏感性,以及它與各種因素的關系和它的度量方法,並提出了提高其方向穩定性的方法;同時,專門討論了螺旋槳飛機的一些特性。
  9. Based on the theories of gear engagement, contact analysis, friction and heat transfer, a three - dimensional finite element model of gear tooth was established to investigate temperature distributions and variations along the contact path over a range of applied loads and operating speeds with consideration of lubrication conditions. sensitivity analysis of surface temperature to gear configuration, frictional heat flux, heat transfer coefficients, and oil and ambient temperature was conducted and the major parameters influencing surface temperature were evaluated

    本文基於齒輪嚙合原理、輪齒接觸分析、摩擦學和傳熱學,以有限元分析方法和理論分析計算相結合為手段並以實驗測量結果作為參考,建立了適用於工業應用並具有較高計算精度的高速齒輪傳動輪齒溫度分析的模型和方法,系統地分析了輪齒本體溫度的大小和分佈以及齒輪幾何、載荷及轉速和潤滑冷卻條件等對輪齒本體溫度的影響。
  10. 2 ) radar incidence angle and surface roughness correction : to make radar incidence correction and eliminate the surface roughness effects, a wide range of surface parameters ( soil moisture, surface rms height, correlation length, incidence angle ) was input to the ibm model to simulate the effect of surface roughness and radar incidence angle on the sensitivity of soil moisture to the radar backscattering coefficient. a simple model was established to simulate the effects of incidence angle and surface roughness. 3 ) establishment of soil moisture change inversion model : according to a modified ibm model simulation results, the bare surface backscattering coefficients can be expressed as a funtion of the dielectric component for a given surface roughness when the surface slope greater than 2. 0, which is valid for most nature surface : in above equation, r0 is the surface reflectivity at normal incidence

    本研究中,首先利用基於微波輻射傳輸方程的微波植被模型和積分方程( iem )模型模擬了各種地表土壤水分含量情況下,植被覆蓋、地表粗糙度(包括地表均方根高度和相關長度) 、雷達入射角對c波段(頻率4 . 7ghz )水平極化( hh )雷達後向散射系數的影響,在此基礎上,建立模型消除了植被覆蓋、地表粗糙度、及雷達入射角對雷達後向散射的影響,利用多時相50m解析度radarsatscansar雷達後向散射系數圖像反演得到了地表土壤水分變化模式信息。
  11. The system uses hpc as a detector, based on the computer and network technology, reaches the design requirements of high - sensitivity, wider range, full automation and no - man on duty

    該系統採用高壓電離室為探測器,利用計算機及網路技術,基本達到了靈敏度高、量程寬、全自動無人值守的設計要求。
  12. As umbirfpa is a new type of infrared detecting device, its work principle is complex and its performance is affected by many factors. in the initial stage of developing, the design experiment and theoretical understanding are little interiorly. furthermore, the problems such as sensitivity reduced, dynamic range shortened, nonuniformity increased come forth if umbirfpa is not designed properly

    Umbirfpa是一種新型的紅外探測器件,微測輻射熱計的工作原理復雜,其性能受到很多因素的影響,目前國內尚處于發展初期,缺少實際的設計經驗和理論認識,同時umbirfpa又是在集成電路工藝線上生產的,投資大、周期長,如果設計不當,不僅可能導致靈敏< wp = 13 >度降低、動態范圍縮小、噪聲增大、非均勻性增大等問題,更可能的是根本就不能用於成像,從而造成很大損失。
  13. Fluorescein and porphyrin have been linked by an alkyl chain, and been firstly used as a fluorescence carrier of opto - chemical sensors. based on the principle of energy transfer, it examined the iodine in the aqueous solution with high sensitivity and wide detection range

    通過脂肪鏈把熒光素和卟啉連接起來,並首次把它作為熒光載體應用於光化學傳感器的研製,基於分子內能量轉移原理檢測了水溶液中的單質碘,該傳感器靈敏度高,檢測范圍寬。
  14. Non - destructive testing. industrial radiology. determination of the sensitivity and average contrast of image receiver systems consisting of a fluorescent intensifier screen and radiographic paper, used in the energy range from 30 kev to 150 kev

    無損檢測.工業放射學.能級從30kev至150kev的含有熒光屏和射線照像紙的圖象接收系統感光度和反差平均值的測定
  15. The temperature stress made the cells optimal irradiance range narrow and also made their sensitivity to irradiance. study on the daily variation of photosynthesis in different weather in four seasons in a year was carried out, too. the results showed that the daily variation curves of s1, s2 and s3 were two - peak curves in high irradiance, and the higher the irradiance was, the earlier the first peak appeared. in the weather with low irradiance ( for example, in cloudy day ), the photosynthetic rate varied with the irradiance changing

    四季溫室不同天氣(晴天、多雲天氣和陰天)螺旋藻光合速率日變化測定結果顯示,在光照較強的天氣(如晴天) , s _ 1 、 s _ 2和s _ 3的光合速率日變化曲線呈雙峰曲線,且光照越強,峰值出現越早;在光強較弱的天氣,光合速率隨光強的升降而升降。
  16. A linear response of the sensor in the wide range of 3. 0 + 10 - 6 mol / l - 1. 1 + 10 - 4 glucose is observed. the obtained biosensor exhibits high sensitivity, excellent reproductivity and good stability with substantially improved performance

    Lxlo 「 mol l范圍內表現出較好的線性,其重現性和穩定性好,靈敏度高,在20 30s內對葡萄糖快速響應。
  17. Silicon - carbide provides a unique sensitivity only in the spectral range from 200 to 400 nm peak at 280nm. our uv detector range incliudes quite a selection of housings and windows

    Perkinelmer uv sensor由矽碳化物所組成,主要針對200 400 nm波長的有所反應,依不同應用又有uva , uvb和uvc等不同選擇
  18. The thermovision a20 - m has a temperature sensitivity of 0. 10 in a range from - 20c up to 900c

    每幅圖像包含19000個像素並且可以讀取出每點的溫度值。
  19. In this dissertation, the dynamic range and the sensitivity of ew receiver are studied and validated. the parameters related to the dynamic range and the sensitivity are researched, and a parallel amplifier structure for increasing the dynamic range of ew receiver effectively with little impact on the receiver sensitivity is presented, as well as the implementation of the experimental

    本文首先介紹了寬帶數字ew偵察接收機的兩個關鍵性能指標,即動態范圍和靈敏度,著重研究了與動態范圍和靈敏度相關的參數,提出了一種大動態高靈敏度的接收技術,並通過ads實驗系統驗證系統的硬體可行性。
  20. These results unambiguously demonstrate that a single amino acid residue substitution is sufficient to generate a phenylalanine - insensitive form of arog. furthermore, the mutant a ( l - 15 ) lacking the first fifteen n - terminal amino acid residues exhibits no sensitivity toward phenylalanine in a range of 0 ~ 1 mm phenylalanine

    這些結果揭示: 1 ) n一末端在反饋抑制機理中具有重要作用; 2 ) n一末端的缺失使得ar0g緊密二聚體結構解聚,導致四級結構破壞。
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