高敏位點 的英文怎麼說
中文拼音 [gāomǐnwèidiǎn]
高敏位點
英文
dna hypersensitive site-
Conventional single - observer passive locating methods are low in speed and precision. moreover, corresponding locating precision is sensitive to direction measurement errors, which puts forward high demands on measurement equipments impersonally
傳統的單站無源定位方法總的來說具有定位時間較長、定位精度較低的特點，並且定位精度對方向測量誤差非常敏感，在客觀上對測量設備提出了較高的要求。In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology
為使二維振動傳感器在兩主軸方向的靈敏度大致相同，敏感元件採用高度對稱的四梁結構，其中每個軸向上均採用帶折疊梁的雙側叉指電容結構，採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件，具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算，並利用有限元法進行了模擬分析，根據模擬結果得出了優化參數;在確定敏感結構的基礎上，研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析，利用差動測量技術得到由振動引起的微小電容變化量，經c - v介面電路進行相位調制處理，然後通過解調輸出與加速度成正比的電壓信號。White and odourless powder, a stable, non - oxidizing and reducing compound, this product is mainly used in the dyeing industry, secondly used for organic synthesis in the synthetic fibre industry
主要用於染色工業，其次用於合成纖維工業有機合成，還用作聚合反應添加劑聚乙烯穩定劑照相乳膠敏化劑等。其優點是貯運安全還原電位高，效果明顯。Surface plasmon resonance immunosensor is a relatively new immunoassay technique and has been receiving more and more attention in recent years. however, a major disadvantage of spr for bioanalytical applications is that low concentration or low molecular mass analytes could not be detected directly. therefore, it is a challenging task to develop strategies for improving the detection limit sensitivity of spr. in this paper, authors present a novel strategy for improving the sensitivity of spr immunosensing using streptavidinbiotinylated antibody complex. it is proven that the amplification strategy causes a dramatic improvement of the detection sensitivity. this amplification strategy is based on the construction of a molecular complex between streptavidin and biotin labeled protein. the complex can be formed in a crosslinking network of molecules so that the amplification of response signal will be realized due to the big molecular size of complex
將鏈霉親和素-生物素系統用於表面等離子體共振免疫傳感的信號放大，實時檢測了人免疫球蛋白g higg的蛋白濃度。發生免疫反應的傳感片和生物素化抗體反應后，傳感片表面的一層生物素分子隨后與鏈霉親和素-生物素化抗體復合物中的鏈霉親和素的活性位點發生親和反應，從而使傳感片表面特異健合的物質質量顯著增加，大大提高了免疫檢測的靈敏度和檢測限。免疫反應經放大后，可檢測0 . 00510g ml濃度區間內的higg 。Incremental - coding devices is used as position feedback device, meanwhile, magnetic field sensor ad22151 is used as position sensor to demarcate movement origin, which have features of the high sensitivity, small size, non - contact
位置反饋元件採用增量式光電編碼器，同時鉛門的零點標定採用了磁傳感器ad22151 ，具有靈敏度高、體積小、非接觸等特點。Leakage accidents in pipeline transportation occur frequently in recent years. in order to guarantee the pipelines work safely and minimize the losses caused by leakage accidents, it is necessary to study leakage detecting technology to raise the sensitivity of detection and accuracy of localization
近些年來，管道泄漏事故頻繁發生，為保障管道安全運行和將泄漏事故造成的危害減少到最小，需要研究泄漏檢測技術以獲得更高的泄漏檢測靈敏度和更準確的泄漏點定位精度。To compensate for low - frequency drift of the optical path - length difference and to keep the operation point on the most sensitive point, the reference mirror is adjusted with a actuator driven by a feedback loop
為了補償光程差的低頻漂移，將工作點穩定在靈敏度最高點，使用一個反饋控制系統驅動微位移器調整參考平面鏡。A 1. 7kb fragment encoding ge of prv fa strain was obtained by pcr from plasmid ppge templated using a pair of the designed primers containing ecori and bamhi ' sites. the ge gene fragment cutted with ecori and bamhi was inserted into the expression plasmid pbv220 including these two endonuclease sites for constructing the recombinant plasmid pbvge. strain dh5a of e. coli contain pbvge was induced at 42 for 4 - 6hr after incubation with vigorous shaking at 30 for 3hr or so
以質粒ppgedna為模板， pcr擴增出1 . 7kb的ge基因完整片段，將擴增產物以ecori和bamhi雙酶切后，插入原核表達載體pbv220的p _ rp _ l啟動子下游的ecori和bamhi位點間，得到重組表達質粒pbvge ，轉化了pbvge的大腸桿菌dh5a經溫敏誘導表達后，用sds - page和western - blot ，以及瓊脂雙擴散來檢測，結果表明prvfa株ge基因在原核載體上得到高效表達，表達產物約占總蛋白的17 。The rayleigh - ritz method is used to lead to analytical expressions for the stiffness and mass matrices and load vector as well as their sensitivities, which uses the simple polynomials to define assumed displacement functions, geometry and construction of wing structures. excluding some selected terms from the displacement functions or using stiff springs at the specified locations imposes boundary conditions. the accuracy of calculated results is improved by including transverse shear effects and using multiple sets of ritz functions in the analysis
它使用簡單多項式作為ritz基函數、定義翼面的幾何和結構參數，利用rayleigh - ritz方法導出翼面結構的剛度矩陣、質量矩陣和載荷向量及其靈敏度的解析表達式，通過排除位移函數中某些選定的項或在指定點使用約束彈簧施加各種邊界條件，考慮橫向剪切變形和使用多組ritz基函數改進分析的質量，使用等效蒙皮和等效夾芯技術提高計算效率。The experimental results show that the critical transition point of chaos state by complexity analysis corresponds well with that proposed by chaos analysis, but complexity analysis is easier to be calculated. complexity theory not only provides a new method to analyze non - linear pressure fluctuation, but also have been proposed to be wide application foreground used in the future
漲落復雜性和最大lyapunov指數在對床內運動進入混沌狀態的敏感指示這一點上，兩者是一致的，但漲落復雜性和最大lyapunov指數相比，不易受到取壓點高低位置不同的影響，在工業運用上更具有優勢。Chapter 2 in the design of sensors and switches based on photoinduced electron transfer, fluorescence was often used with high sensitivity and convenience. it is noteworthy that room temperature phosphorescence ( rtf ) has many advantages over fluorescence, e. g., large stokes shift, higher signal to noise ratio, good selectivity and easily measurable luminescence lifetimes etc., and it can be found as a helpful complementary method of fluorescence sensing
第二章在光誘導電子轉移傳感器和分子開關的設計中，熒光由於其靈敏度高、使用方便，受到人們的廣泛關注，相對于熒光室溫磷光選擇性好、信噪比高、較大的stokes位移、壽命易測定等優點，在許多方面與熒光互補。Case 1 : when there is no relative measurement, each satellite uses its own on - board attitude sensors to determine its attitude, and exchange the information through the communication link between formation satellites, and then the relative attitude is determined through simple mathematical operation. case 2 : based on the range measurements of gps like sensors, using two - point measurement of the relative orbit state to establish relative orbit and attitude kinematics and measuring equations. and state estimation is achieved through the extended kalman filter technology and unscented kalman filter technology, respectively
方案一，在星間無相對測量時，由衛星自身攜帶的姿態敏感器實現單星高精度姿態確定，利用星間通信鏈路進行信息交互，通過簡單的數學計算獲得星間相對姿態;方案二，利用類gps相對測量，建立了編隊衛星相對軌道運動和相對姿態運動模型及相對距離測量方程，推導了兩點相對軌道運動模型，設計了擴展卡爾曼濾波器及uscented卡爾曼濾波器，對相對位置、速度和姿態進行估計。Moreover, it offers such features as miniaturization, convenience, high reliability and acuteness, precise orientation and tracking
同時，還具有小巧方便，性能穩定，反應靈敏，定位精確和性價比高等特點。Owing to all - fiber - based system and the needle type of single fiber sensor head, it has many merits such as immunity to electromagnetic interference, simple structure, high measurement precision, high sensitivity and low drift
該傳感器系統採用針式單光纖結構的傳感頭，使得系統具有結構簡單、高精度、高靈敏度、無漂移等優點，其液位測量精度可達0 . 5mm ，最大光調制深度為21db 。分享友人