比值器 的英文怎麼說
中文拼音 [bǐzhíqì]
比值器
英文
comparator-
Hydrogen ion comparator
氫離子濃度比值器Starch nanoparticles ( sn ) have been prepared with w / o starch microemulsion as microreader and epichlorohydrin as cross - linking agent. the factors affecting the preparation of sn have been investigated via the characterization of tem. the results show that the size and size distribution of sn are mainly controlled by the interfacial strength of microreactor, and the interfacial strength of microreactor is chiefly influenced by w value ( the molar ratio of water / surfactant ) and concentration of starch
利用所得到的w o型澱粉微乳液作為微型反應器，以環氧氯丙烷為交聯劑制備出澱粉納米粒，並藉助透射電鏡的表徵研究了各制備因素的影響，研究結果表明：澱粉納米粒的粒徑及粒度分佈主要受微型反應器的界面強度控制，而影響界面強度的因素主要是r值（即水與表面活性劑的摩爾比值）及澱粉液濃度。Secondly, compared with some other kinds of comparator structure and based on the preamplifier - latch fast - compare theory, a novel topology of cmos preamplifier latch comparator circuit is presented. considering trade - off between kickback noise and power dissipation, reference resistance value is optimized. according to the encode demands of different stage resolution, clock - control encode circuit is designed
其後，在具體的子adc設計中，對比各比較器類型的優缺點，並基於預放大鎖存快速比較理論，提出一種新型高速低功耗預放大鎖存比較器電路拓撲;根據adc系統所允許的參考電壓最大波動限制，在回饋噪聲對輸入參考電平的影響和功耗之間折衷，確定優化的參考電阻串阻值;根據不同級精度的編碼要求，設計出時鐘控制編碼電路。Ddz - iii series process electronic control system. ratio setter
Ddz -系列電動單元組合儀表比值給定器Utilising dissolved gases analysis, a new insulation fault diagnosis method for power transformers is proposed. this method is based on the group grey relational grade analysis method. first, according to the fault type and grey reference sequence structure, some typical fault samples are divided into several sets of grey reference sequences. these sets are structured as one grey reference sequence group. secondly, according to a new calculation method of the grey relational coefficient, the individual relational coefficient and grade are computed. then according to the given calculation method for the group grey relation grade, the group grey relational grade is computed and the group grey relational grade matrix is structured. finally, according to the relational sequence, the insulation fault is identified for power transformers. the results of a large quantity of instant analyses show that the proposed method has higher diagnosis accuracy and reliability than the three - ratio method and the traditional grey relational method. it has good classified diagnosis ability and reliability
基於變壓器油中溶解氣體分析，提出了一種基於群灰色關聯度分析的變壓器絕緣故障診斷新方法.首先根據故障類型與灰色參考序列構造，選擇變壓器典型故障樣本構造多組參考序列，這些參考序列組構成一個灰色參考序列群.其次根據給出的新的關聯系數計算方法，計算個體關聯系數和關聯度.然後根據給出的群灰色關聯度計算方法，計算群灰色關聯度和構造群灰色關聯度矩陣.最後根據關聯序識別變壓器絕緣故障診斷.通過大量變壓器絕緣故障診斷實例分析，所提方法診斷準確性與可靠性優於三比值法和傳統的灰色關聯分析方法，具有較好的分類診斷能力和可靠性Based on the six - port relative power theory that for a given load the relative power ratios of different ports are left unchanged with the input power to the six - port varied, characteristic parameters of detectors can be obtained through the least - square method
根據六埠相對功率理論即對某一負載各埠相對功率比值不隨輸入功率變化，由最小二乘法得到檢波器的特徵參數，結合四標準法，確定六埠網路的系統常數。The lcos formula and tse fire control formula for air to air gunshot have been compared by dynamic digital simulation
通過動態數字模擬比較了前置計算光學瞄準和使用目標狀態估值器兩種空空射擊的火控演算法。The fault reasons of a phase c 378mva transformer in one group of main transformers are analyzed by three - ratio method. the improvement measure is presented
摘要利用三比值法分析了一臺主變c相378mva單相變壓器故障的原因，提出了改進措施。It estimates relation degree between factors according to curves analogue degree. 3 ration method is usually used for transformer fault diagnosis, it sometimes can not judge fault because of its lack of enough ration codes
在變壓器的故障診斷中普遍採用油中溶解氣體分析（ dga ）導則推薦的三比值法。但因其比值范圍不全，常導致在實際診斷過程中出現不能判斷的情況。Pin 13 output true. this is the comparator ' s true output
輸出的真值.這是比較器的真實輸出According to following multiple logistic regression, there are two variables remained as stronged independent risk factors for ectopic pregnancy, which are a history of pelvic inflammatory disease ( relative risk 28. 84 ) and intrauterine device use ( relative risk 5. 10 )
以多變項對數復回歸分析得到的重要危險因子則是有與骨盆腔發炎和有與裝五子宮內避孕器，其多變項調整對比值分別是28 . 84和5 . 10 。Research on the mineral sources of bronze vessels in shang - zhou by lead - isotope ratio
從鉛同位素比值試析商周時期青銅器的礦料來源To get the evaluating result, a recognition quality evaluator for straight lines based on artificial neural networks has been designed. after training the neural network can work well and output the quality evaluating results. furthermore, this proposed evaluating approach is not sensitive to scanning image resolution
本文設計了一個基於人工神經網路的直線圖素識別質量評價器，網路經過訓練后可以取得類似人眼判斷的評判效果，由於各識別質量特徵因子在定義的時候一般都取的是和圖素線寬的相對比值，因此本文提出的方法對于掃描工程圖的解析度的影響不敏感。According to negative temperature coefficient of vbe and positive temperature coefficient of vt, a framework of band - gap voltage reference is investigated. the reference offer a source of pir, distributed three voltage, one as upper - threshold voltage of dual - threshold comparator, the other as lower - threshold voltage of comparator, the other as direct current voltage for second band - pass filter amplifier
同時利用pnp晶體管發射結電壓的負溫度特性和發射結差值電壓的正溫度特性設計了一個帶隙基準電壓源。此帶隙基準電壓源本身作為熱釋電紅外傳感器的電源電壓，同時分壓提供雙限電壓比較器的上限電平和下限電平以及第二級帶通濾波放大器的直流電平。The chip can be widely used in mp3 player, pda, digital camera, cells phone and portable products etc. this thesis first introduces the basic theory of switching power supply. the operating theory of this circuit has been demonstrated. the operating principle and simulation analysis about band gap reference, self - biased current source, one shot circuit, hysteresis comparator, and current - limit circuit have been particularly expounded in this thesis
本文首先闡述了開關電源的工作原理，詳細介紹了本電路的整體工作原理，最後重點介紹了自偏置電流源電路、基準源電路、單穩態觸發器電路、峰值電流限制及低電池電壓遲滯比較器的工作原理，並利用eda工具larker ? ams 、 hspice對電路進行了完整的設計和模擬模擬，給出了合理的電路數據，各子模塊電路的電特性參數均達到或優于設計所需指標。Semiconductor integrated circuits. detail specification for type jc4585 of cmos 4 - bit magnitude comparator
半導體集成電路. jc4585型cmos4位數值比較器詳細規范Detail specification for type jt54ls85 ls - ttl 4bit magnitude comparator of semiconductor integrated circuit
半導體集成電路jt54ls85型ls - ttl四位數值比較器詳細規范4, by making use of micro pore and permeability apparatus and optopn multifunction microscope etc. advanced reservoir testing equipments, the ability to show heterogeneity from micro to macro has been improved largely. k - level / k is more than 1. 4 in south region reservoir, that is to say, the permeability in section is worse comparing to that of level direction, which is caused mainly by mud layers : different stone facies results in different micro feature, and in the south region, fluvial sandstone has cementation, compaction, corrosion and exchanging diagenesis, which occurred in b stage of early period
4 、應用微孔滲儀和opton多功能顯微鏡等先進的儲層測試儀器設備，大大提高了從宏觀到微觀表徵儲層非均質的能力；南區儲層中k _ （水平） k _的比值一般大於1 . 4 ，即垂向上滲透率相對於水平滲透率差，這主要是砂巖中泥質紋層造成的；不同巖石相的微觀特徵不同，南區河道砂儲層主要有膠結、壓實、溶蝕和交代等成巖作用，成巖階段屬早成巖b期。In this paper. flow properties of multistage fluidized - bed bioreactor with external circulation at a pilot scale is studied. according to characteristic analysis, the model of completely mixing reactor in series is introduced to characterize real reactor as a theoretical model. on the basis of analog computing analysis and discussion of theoretical model. by means of pulse tracer method, experiments on residence time distribution ( rtd ) have been done in different conditions including the change of tracer level, feeding flow rate and circulation flow rate. the result shows when the ratio of circulation flow rate and feeding flow rate amounts to at least 4, the flow properties of multistage fluidized - bed bioreactor with external circulation at a pilot scale is very close to the model of completely mixing reactor in series. an amendatory model has been established by the regression method
作者首先在對反應器進行特徵分析的基礎上，建立了描述中試規模多級外循環流化床生物反應器流動特性的串級全混流模型，並對理論模型進行了模擬計算分析和討論，在此基礎上，作者分別在無循環和有循環（改變示蹤劑用量、流加流量和循環流量）的條件下，利用脈沖示蹤法對一到五級串聯外循環流化床反應器進行了停留時間分佈實驗，結果表明，在循環流量與流加流量的比值達到大於等於4時，中試規模多級外循環流化床反應器的流動特性接近串級全混流模型，通過數據回歸擬合的方法，建立了中試規模一到五級串聯外循環流化床反應器的流動模型。2 leaflets from plants grown in the increasing salt concentrations ( up to 200mm ) became smaller and thicker, leading to the smaller ratio between superficial area and mesophyll tissue volume. in the same process, the cuticle became thickness significantly increased while stomata became less in number and smaller in area
（ 2 ）隨鹽濃度增加，葉片整體逐漸變得小而厚，葉表面積與體積的比值小，從而減少蒸騰面積，同時角質層變厚，單位面積上的氣孔數目減少，氣孔器面積減小，都可以使植物盡量降低蒸騰速率，減少體內水分散失。分享友人