正電性組分 的英文怎麼說
中文拼音 [zhēngdiànxìngzǔfēn]
正電性組分
英文
positive constituent- 正 : 正名詞(正月) the first month of the lunar year; the first moon
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 組 : Ⅰ名詞1 (由不多的人員組成的單位) group 2 (姓氏) a surname Ⅱ動詞(組織) organize; form Ⅲ量詞(...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
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The performance of the static inverter has become more and more important since it is a basilic part of secondary power source in airplane which ensures the electron devices to work normally
作為飛機二次電源重要組成部分之一的靜止變流器,是保證用電設備正常工作的基礎,其性能的重要性也越來越突出。As a comparison, ba1. 03ce0. 8gd0. 2o3 - was synthesized by sol - gel method. among these samples, nonstoichiometric samples were synthesized for the first time. the research work involved : the crystal phase of the sinters were determined by xrd ; ionic conduction under different experimental atmospheres was measured by gas concentration cells ; performances of hydrogen - air fuel cells with the sinters as electrolytes and porous pt as electrodes were measured
用粉末x射線衍射儀鑒定它們的結晶相;在( 600 1000 )范圍內,以燒結體作為電解質隔膜,多孔性pt黑為正、負電極, pt - rh合金網為集電極,分別組成氫濃差電池、氧濃差電池及氫?空氣燃料電池並測定了它們的性能,研究了不同氣氛下樣品的離子導電特性及影響燃料電池性能的因素。This paper analyse the feasibility and necessity of examine and repair about the qiangui co. ltd of generate electricity base on the frmework of guizhou wire network and the run state and exerience of the factory. at the same time, in the base of the lucubrate and analyse of stats examine in domestic and abroad, this paper has analyse the abrupt librate of steamer generator by online data check in pancountry power plant. it acquire obvious effect and prove the applicability and feasibility about the examine in power plant by take correspond measures to ensure the normal operate of the set
本文根據貴州電網的結構形式以及黔桂發電有限責任公司機組的運行狀況和經驗,進行了黔桂發電有限責任公司實行狀態檢修的可行性和必要性分析,同時在深入研究分析國內外狀態檢修技術基礎上,對盤縣發電廠汽輪發電機組突發振動事例用在線檢測數據進行分析、採取相應措施處理,使機組正常運行,取得了明顯的成效,同時也證明點檢與狀態檢修在火電廠的適用性和可行性。Using contrast and orthogonal experiment methods, the effect of electrolyte formulae for varied concentration of cr03 and technology of chromium plating on coating property was studied systematically in this paper. primary factors and their interrelations, which influence the brightness of coating, the current efficiency, dispersion ability and sedimentation velocity of electrolyte were discovered
本文採用對比試驗和正交試驗等方法系統地研究了低、中、高三種不同鉻酐濃度的鍍鉻液組成和鍍鉻工藝對鍍鉻層性能的影響,找到了影響鍍層光亮度、鍍液電流效率、分散能力和沉積速度的主要因素及其相互關系。After the recombinant plasmid pcdna3. 1 / ts87 was identified by digestion of hindlll and bamh i, it transformed into cos7 by lipofectamine. expression product was identified by immunohistochemical method, sds - page and western - blot. the immunocytochemistry result has shown that specific brown - staining grains were found in the cytoplasm of cells transformed by recombinant plasmid versus not seen in cells transformed by pcdna3. 1 or normal cells ; the sds - page result has revealed that a band about 3 8kb was found in cell lysis transformed by recombinant plasmid versus not in cells transformed by pcdnas. l or normal cells ; the western - blot result has showed that only the band about 38kd was recognized by sera from rabbit infected by t. s artificially and sera from rabbit immunized with soluble antigen of t. s and with protein expressed by ts87 gene and by a monoclonal antibody of t. s
通過細胞的免疫組化,細胞裂解物的sds - page電泳, westem - blot分析檢測目的基因的表達情況。免疫組化結果顯示:重組質粒轉染的細胞質中有棕褐色顆粒,而空載體轉染細胞及正常細胞無此現象;細胞裂解物sds - page電泳結果顯示:只有重組質粒轉染的細胞在約38kd處有明顯的蛋白帶,這與理論計算的ts87基因表達蛋白的分子量為38kd基本一致; western - blot分析結果顯示:約38kd的蛋白帶能夠分別被旋毛蟲感染兔血清,成蟲蟲體可溶性抗原免疫兔血清, ts87基因原核表達蛋白免疫兔血清( ts87血清)以及一株具保護性的旋毛蟲單抗特異識別。The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail
首先,在闡述i / q正交調制基本原理的基礎上,通過對誤差矢量和鄰近通道功率泄漏的詳細分析,定性、定量地討論了各種非理想電路因素(如相位不平衡、幅度不平衡、直流偏差等)對調制器性能的影響;其次,介紹了鎖相環的工作原理和基本組成部分,包括鎖相環的設計和環路濾波器的設計,特別詳述了電荷泵鎖相頻率源;第三,介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後,對整個直接射頻調制系統進行測試,結果基本上達到了課題要求。Abstract : the polymorphism of angiotensinogen gene at position 174 was studied in 90 cases of essential hypertension patients and 109 controls by pcr, restriction enzyme analysis and electrophoresis methods. the results showed the distribution of genetypes in hypertension group was significantly different from that of controls group. this suggested there is a correlation between the variant of agt174 and hypertension
摘要本文採用pcr 、限制性酶切和電泳分型等方法,分別對90例原發性高血壓患者和109例正常人血管緊張素原基因多態位點agt174進行了檢測,結果表明,高血壓組中三種基因型的分佈與對照組顯著不同,提高該位點變異與原發性高血壓的發生相關。The questions the researcher concerned are which system will be chosen and how to obtain the good lithium ionic conductor materials, which is the basic departure of the paper. the addition of second phase in composite can change the interface structure and the conduction mechanism, improve the matrix conductivity and other function such as the sintering, crisping and so on, so the research of composites are an interesting field of the ionic conductors. the synthesis of lithium ionic conductor is often by solid state reaction, but this method needs high temperature and leads to the volatility of lithium which not only causes the drift of the compounds but gets the no well - distributed materials
研究者所關注的問題是選擇新的體系進行研究,以期得到性能更好的鋰離子導體材料,這也正是本論文的基本出發點;復合離子導體中第二相的加入改善了基質的界面結構和導電機制,不僅可以提高基質材料的電導率,還可以在一定程度上改善材料的其它性能,如燒結性能、脆性和機械強度等。因此復合材料的研究是離子導體一個有廣闊前景的發展方向;合成鋰離子導體,特別是成分復雜的體系以傳統的固相合成法為主,但這種方法需要較高的溫度,容易引起鋰的揮發,從而造成產物組成的偏移,而且不易得到顯微結構均勻的材料。Based on the analysis of the digital image print head, we first discuss the key technique of the lcos projection display, including the cell characteristic and optical projection system characteristic, then the application of lcos for the digital image print head, its hardware system. this wins initial success for the color correction and system software of our digital image print head
論文在分析國內外數碼電子片夾的基礎上(第一章) ,首先論述了lcos投影系統的關鍵技術,著重分析了lcos投影儀中液晶盒特性以及投影系統光學特性,然後在此基礎上結合實際情況就現階段lcos用於數碼照片擴印系統的基本結構進行一些具體分析,並重點設計與分析了金成lcos數碼電子片夾的系統結構以及各個組成部分,為後面lcos數碼擴印系統的顏色校正以及數碼照片擴印系統軟體的研究提供了一定的基礎(第二章) 。It is important to asses the quality and degree in injury to the nerve for guiding the treatment during internal fixation of the fractures of humerus, the exclusion and protection of the radial nerve should be carefully done, when removig the fixation the radial nerve would be protected by first dissecting normal radial nerve in distal and proximal segments, then, exposing gradually adherent segment within the scar tissue
結論本組橈神經損傷的恢復效果滿意,有的患者在恢復過程中的電生理顯示與體征、癥狀不符;臨床工作中,能及時正確判斷神經損傷的性質和程度,對指導臨床治療極其重要;肱骨骨折內固定之際,必須仔細分離出橈神經並予以保護,其後整復骨折施行內固定;取出內固定物時,應先從遠近端解剖出正常的橈神經,再逐漸暴露被瘢痕組織黏連的橈神經段,保護好橈神經,其後取出內固定物。This sort of membrane has excellent physics and chemical properties. farther studies indicates that this film is a kind of hydrogenated carbon films containing amino groups, it posses the network configuration of diamond - like carbon, the amino - group is in the networks
通過紅外光譜分析,結合其物理性能和化學傳感特性,對射頻輝光放電制備的正丁胺淀積薄膜的化學組成與微觀結構做了初步分析和研究。In this thesis, the mathematical model of transitional process is built up during salient - pole synchronous motors ( asynchronous starting based on the state equations under d - q frame, simulation model about asynchronous starting using matlab software is set up. it proves the novel exciting winding control way through analyzing and studying the simulation curves, and provides the best exciting in towards polarity way using " stator - electricity " during salient - pole synchronous motors ( asynchronous starting through analyzing the fault of traditional way to exciting
通過分析d q軸系下的凸極同步電動機狀態方程,建立了凸極同步電動機異步起動過渡過程的數學模型。利用matlab模擬軟體建立凸極同步電動機異步起動模擬模型,通過模擬曲線分析、研究,證明本文提出的新型勵磁繞組控制方法的正確性,並通過分析傳統投勵方法的缺陷,提出了"定子電量法"實現凸極同步電動機最佳順極性投勵的方法。The thesis realizes the control exciting winding method and the best exciting in towards polarity method provided in this thesis with singlechip ( at90s8535 ) and scr hardware. it proves these methods are accurate and available through the control exciting winding test. analyzing the stator current and exciting current test curves on a salient - pole synchronous motor with 2kw - 4 poles, it solves the starting - difficulty of salient - pole synchronous motors, and improves motors " starting capability
通過在一臺2kw 、 4極凸極同步電動機上進行異步起動試驗和分析試驗過程中的勵磁繞組電流和定子繞組電流的波形,證明了本文提出的勵磁控制線路的正確性和可行性,較好地解決了凸極同步電動機起動難的問題,同時改善了電機的起動性能。It has been shown that domain ia is responsible for cell recognition, domain ii is to be involved in translocation of the toxin across membranes, and domain hi catalyzes the adp - ribosylation of elongation factor2, which arrests protein synthesis and results in cell death
人組蛋白h3是堿性核蛋白,富含精氨酸,在生理條件下, h3的精氨酸帶正電荷,而dna的磷酸基團帶負電荷,所以組蛋白和dna分子主要依靠靜電引力相結合。But it also bring some important questions which affect the safety and economy running of the units, such as frequency regulation, long running with low loads, electric equipment and assistant equipment friction, oil wasting etc. the text apply differential increcent rate of equilateral discharge to analyze deeply the economy of hydro - power plant according to the practice data of the plant, putting forward the resolvation, providing indeed the theoretic feasibility investigation of engineering
但由此帶來的水電機組的頻繁調節、長時間帶低負荷運行以及電氣設備和輔助設備的磨損和油耗的增加等,都成為影響水電機組長期安全、經濟運行的不可忽視的重要問題。本文根據安徽陳村水電廠實際資料,運用等微增率方法對agc投入后水電站廠內運行經濟性作了深入的分析,提出了解決辦法,為在工程上真正實現提供了理論上的可行性研究。In this article, a 74500dwt bulk carrier being built in our shipyard is taken for example. based on the calculations for the capacity required, two generator sets and a shaft generator are arranged for the power station on this ships. analyses are made on different units of each generator set, and some reliability tests have been carried out at the same time
本文通過對工廠建造的74500t散裝貨輪電站容量的計算,配置了兩臺柴油發電機組,並在主機的後部中間軸上安裝了一臺軸帶發電機,並對各發電機組的各個環節進行分析,進行必要的可靠性試驗,並確定運行過程中的維修方案,從而確保船舶電站的正常可靠運行,而簡單的操作方法、簡便的維修、運行的低消耗,體現了該船舶電站的實用性。Different distribution of power loss can be worked out by mathcad software based on the formula reasoning. the result of calculation is consistent with that of the experiment, which proves that this method is right. it is pointed out through the analysis of calculating data that the key to improve efficiency at the same output power is to decrease the peak current and rms current of power switches or the on - resistance of mosfet and windings
由推導可得損耗計算公式,利用數學計算軟體計算出電路輸出從空載到410w阻性負載時損耗分佈變化,該結果與實驗數據基本相吻合,證實了這種方法的正確性;通過對計算數據的分析,指出了進一步提高效率的關鍵在於輸出相同功率時降低功率管的電流峰值和有效值,減小繞組和mosfet的導通電阻。After a lot of experiments, we have found the most appropriate material and the best proportion of the two components for the type of the high - voltage isolation optocouplers are found, and concluded some original creative operation processes and rules for encapsulation technique of the high - voltage isolation are concluded the author has done some deeply research in the field of the series of the high - voltage isolation optocouplers, enlarged the application of the optocoupler and
5 、對高壓隔離特性類光電耦合器的工藝製作、測試方法作了詳細的介紹;通過大量的實驗,找到合適的介質填充材料以及最佳的組分配比,制定灌封工藝操作詳細規范。目前,國外仍無該類型的器件面世,國內也沒有其它的單位在此領域有過或正在深入的研究。The number of protons, which are positively charged particles, determines the chemical properties of the atom, e. g. whether it will bond with other atoms to form molecules
組成,帶正電質子的數目,決定了該原子的化學特性,例如它會否和其他原子結合成分子等。The author firstly analyzed the mathematic model of the cascaded brushless doubly - fed machine ( cbdfm ) on the dq and mt coordinate rotating at rotor speed and synchronous speed seperatly, and the equivalent circuit of steady state. the author also analyzed the stator power winding flux oriented vector control strategy of the cbdfm as vscf wind power generator and validated the validity of the model and strategy by the simulation analysis
此外,本文還首次詳盡地分析了級聯式無刷雙饋電機在轉子機械速dq坐標系、定子同步速mt坐標系下的數學模型,穩態等效電路及作變速恆頻風力發電機運行時的定子功率繞組磁鏈定向矢量控制策略,通過模擬分析驗證了模型和策略的正確性。分享友人