differential resistance 中文意思是什麼

differential resistance 解釋
差動電阻
  • differential : adj 1 差別的,區別的;特定的。2 【數學】微分的。3 【物、機】差動的,差速的,差示的。n 1 (鐵路不...
  • resistance : n. 1. 抵抗,反抗,抗拒,抵禦;敵對,抵抗力,反抗力,阻力,【生物學】抗病性。2. 【電學】電阻;阻抗;電阻器。
  1. Inheritance analysis of wheat yellow rust resistance of the international differential host

    23的抗性遺傳分析
  2. The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,

    基於基爾霍夫定律的電流差動保護無論對於何種形式的輸電線路都是一種簡單、可靠、選擇性強的保護形式,電力系統的發展使得電流差動保護應用於線路保護成為需要,而電子、通信技術的發展使得電流差動保護應用於輸電線路成為可能。首先,本文對目前線路保護的研究和實際應用情況進行了討論和分析,比較了常用線路縱聯保護的實現原理和實現條件及優缺點。其次,針對常規相量電流差動保護易受正常負荷電流和故障過渡電阻影響的缺點,同時為加快差動保護的動作速度,對基於故障分量瞬時采樣值電流差動保護的原理、判據、動作特性等作了討論和分析,結果表明基於故障分量瞬時采樣值電流差動保護在可靠性、靈敏度、抗電流互感器飽和方面明顯優于常規相量電流差動保護,對電流差動保護各端的同步采樣方法和數據通信也進行了分析和評價。
  3. This is thought to be due to the differential effect of hyperinsulinaemia in the setting of insulin resistance on neutrophil function, irrespectively of glycaemic status

    這樣需要考慮因為高胰島素血癥導致胰島素低抗致中性粒細胞功能缺陷,與甘油三酯狀態無關。
  4. Jedec ? an input voltage in a region of relatively low differential resistance that serves to limit the voltage swing

    用於限制輸入電壓擺幅的相對低的不同阻抗范圍的輸入電壓。
  5. According to the control rod hydraulic drive mechanism ( crhdm ) and the characteristics of its hydraulic cylinder seal structure, the leaking ways of the hydraulic cylinder piston ring seal were analysed, its theoretical calculation model was built and its flow resistance formula based on the calculation model of differential pressure at the hydraulic cylinder piston ring seal was deduced

    摘要根據控制棒水壓驅動機構水壓缸活塞環密封結構的特點,分析了水壓缸活塞環的泄漏途徑,建立了活塞環密封泄漏流阻的理論計算模型,並結合水壓缸活塞環密封處的壓差計算模型,推導出水壓缸密封結構的流阻計算公式。
  6. Fluid network was divided into a lot of independent loops. through changing states of valves, i got pipe flux and pipe pressure drop. based on pressure balance equation, i built the differential equation system, solved the differential equation system, and acquired resistance coefficients of pipes and component

    並將流體網路圖分解為一個個獨立迴路,通過改變閥門的狀態,來獲取迴路各管段流量和壓力損失,根據迴路壓力平衡方程,建立方程組,對方程組進行了求解,解出了各未知管段、流體器件的阻力系數。
  7. Abstract : in this paper, the setting scheme of the current differential protection based on sampled values using fault component is investigated. the setting schemes of the resistance coefficient and the least trip differential current are discussed in detail. the probable protection setting values for the hv transmission lines are described. it testifies the feasibility for the applications of the protection to the hv transmission lines

    文摘:對基於故障分量的采樣值電流差動保護制動特性曲線的整定方法進行了研究,詳細討論了其制動系數和最小動作電流的整定方法,同時對該保護在輸電線路中的應用進行了初步的估算,說明了該保護的優異性能。
  8. For the requirement of more negative differential resistance ( ndr ) routes, three split quantized energies are formed in the four - period inp / ingaas superlattice structure with relatively thin ingaas quantum wells under ideal flat - band condition, and high - field domain in the superlattice is formed under sufficiently large operation bias

    為獲得?多軌跡的負微分電阻,本研究組件使用?相當薄之砷化銦鎵?子井,可使四周期磷化銦/砷化銦鎵超晶格結構在平帶情況下形成三個分?的?子化能階,且於足夠大的操作偏壓下在該超晶格結構中形成?高場區域。
  9. Study on tvcds in testing of resistance index of uterine blood circulation for differential diagnosis of early intrauterine pregnancy and early ectopic pregnancy

    陰道彩超檢測子宮血循環阻力指數鑒別宮內外早孕的研究
  10. Test standard for evaluating the simulated wind uplift resistance of roof assemblies using static positive and or negative differential pressures

    用靜態正和或負差壓評價屋頂組件耐模擬風吹起的試驗標準
  11. Comparing the personalities of single - child and non - single - child, the paper draws a conclusion : the single - child college students possess the personality advantages of high intelligence level, strong self - confidence and good self - image, strong independent consciousness. at the same time, they have some personality disadvantages like low creativity, poor adaptability, weak compression resistance, getting a - long bad with others, poor ability of independence and weak morality etc. according to the differential personalities of the single - child college students, the moral education in colleges should adopt effective measures, set up a moral education system integrating family, school and society to perfect their personalities

    比較獨生子女和非獨生子女大學生,本文得出如下結論:獨生子女大學生具有智力水平高創造力低,親和需要強交際能力差,自我悅納程度高悅納他人程度低,獨立意識強獨立能力差,行為好強耐挫力低,道德認識和道德行為相背離的人格特徵,表現出優點和缺點交織並存的人格現狀。
  12. Full - flow lubricating oil filters for internal combustion engines - methods of test for resistance to high differential pressure and to elevated temperature

    內燃機滿流式潤滑油過濾器.第3部分:耐高壓差和耐高溫性能試驗方法
  13. The thesis has done the widespread investigation and study to the domestic and foreign ’ s technologies of analogy low voltage and low power, and analyzes the principles of work, merts and shortcomings of these technologies, based on the absorption of these technologies, it designs a 1. 5v low power rail - to - rail cmos operational amplifier. when designing input stage, in order to enable the input common mode voltage range to achieve rail - to - rail, it does not use the traditional differential input pair, but use the nmos tube and the pmos tube parallel supplementary differential input pair to the structure, and uses the proportional current mirror technology to realize the constant transconductance of input stage. in the middle gain stage design, the current mirror load does not use the traditional standard cascode structure, but uses the low voltage, wide - swing casecode structure which is suitable to work in low voltage. when designing output stage, in order to enhance the efficiency, it uses the push - pull common source stage amplifier as the output stage, the output voltage swing basically reached rail - to - rail. the thesis changes the design of the traditional normal source based on the operational amplifier, uses the differential amplifier with current mirror load to design a normal current source. the normal current source provides the stable bias current and the bias voltage to the operational amplifier, so the stability of operational amplifier is guaranteed. the thesis uses the miller compensate technology with a adjusting zero resistance to compensate the operational amplifier

    本論文對國內外的模擬低電壓低功耗技術做了廣泛的調查研究,分析了這些技術的工作原理和優缺點,在吸收這些技術成果基礎上設計了一個1 . 5v低功耗軌至軌cmos運算放大器。在設計輸入級時,為了使輸入共模電壓范圍達到軌至軌,不是採用傳統的差動輸入結構,而是採用了nmos管和pmos管並聯的互補差動輸入對結構,並採用成比例的電流鏡技術實現了輸入級跨導的恆定;在中間增益級設計中,電流鏡負載並不是採用傳統的標準共源共柵結構,而是採用了適合在低壓工作的低壓寬擺幅共源共柵結構;在輸出級設計時,為了提高效率,採用了推挽共源級放大器作為輸出級,輸出電壓擺幅基本上達到了軌至軌;本論文改變傳統基準源基於運放的設計,採用了帶電流鏡負載的差分放大器設計了一個基準電流源,給運放提供穩定的偏置電流和偏置電壓,保證了運放的穩定性;並採用了帶調零電阻的密勒補償技術對運放進行頻率補償。
  14. In the experiment we also observed negative differential resistance characteristics of gesi hbts with heavily doped base at high collector - emitter voltage and high current. a new interpretation to this phenomenon was given. this

    在實驗中我們還觀察到,在高vce和大電流下,重摻雜基區gesihbt出現負阻現象,我們對這一現象進行了新的解釋,認為這是由熱電負反饋導致的。
  15. Abstract : the principle of electro - differential - constant temperature detector ( edctd ) is summarized. a calculation method for selecting resistance value in the measurement circuit based on the sensitivity requirement is proposed. theoretical analysis and experimental result for the method are also given. the proposed method can be applied to production and calibration of edctd, providing guideline in determining the resistance parameters

    文摘:介紹了電子差定溫式火災探測器的工作原理,提出了根據不同靈敏度要求選取電路中各電阻阻值的方法,並從理論和實驗兩方面加以分析和論證,消除了電阻參數選擇的盲目性,為生產、檢測差定溫式探測器提供了理論依據。
  16. Methods of test for full - flow lubricating oil filters for internal combustion engines - part 3 : resistance to high differential pressure and to elevated temperature

    內燃機全流式機油濾清器試驗方法第3部分:耐高壓差和耐高溫特性
  17. Good ohm contact resistance can make the differential resistance of the laser small and the test results of the lasers, which are produced under the optimal conditions, prove it

    製作良好的歐姆接觸可有效減小激光器微分電阻,在最佳工藝條件下製作的激光器樣品的測量驗證了這一試驗結論。
  18. Besides, there is also some alternatives, such as an inductance conversion using differential transformer and space curve deformeter, and variable resistance pressure transmitter

    除此之外還有利用差動變壓器和擾曲線應變計的電感變換方式,以及變電阻式壓力變送器。
  19. Screening differential expression of taxol - resistance related gene of ovarian carcinnoma by cdna microarray

    應用基因晶元技術篩選卵巢癌紫杉醇耐藥差異表達基因
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