缺電子分子 的英文怎麼說
中文拼音 [quēdiànzifēnzi]
缺電子分子
英文
electro-deficient molecule- 缺 : Ⅰ動詞1 (缺乏; 短少) be short of; lack 2 (殘缺) be missing; be incomplete 3 (該到而未到) be ...
- 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...
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 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
- 電子 : [物理學] [電學] electron
-
In electroplated metals, these defects are primarily dislocations, twins, and deposited foreign atoms or molecular groups.
對于電鍍的金屬來說,這些缺陷主要是位錯,孿晶和其沉積的異類,原子或分子基因。In this paper, first strand cdna of 3abc gene was synthesized using template rna extracted from cells infected with fmdv. the complete 3abc gene about isoobp was amplified by pcr and ligated into pgem - t easy vector. after transforming e. coli dh5 a, ampicillin resistant colonies were isolated and plasmid dna was prepared and analyzed by restriction analysis and pcr. presence of the full length 3abc gene was verified by nucleotide sequence analysis and the plasmid containing the expected sequence was named as pgem - 3abc. comparing the aquired sequence of 3abc with that of reference strains, the homology is more than 99 percent. the pgem - 3abc was digested with sal i and bgl ii and ligated into xho i and bgl ii - digested expression vector ptriex - 4 neo. lt was identified by restriction analysis and pcr and sequencing that this fragment had a 17bp deletion hi the nucleotide sequence 708bp of 3abc gene, which happened to form a terminator codon behind 3ab gene, but it contained the complete open reading frame ( orf ) of 3ab gene. positive clones were selected and induced with lmmol / l isopropyl - d - galactoside ( iptg ), bacteria were detected by sds - page and western blotting after properly treated. the results showed that the 3ab gene expressed successfully in e. coli and 33. 5ku fusion protein can be recognized by the positive bovine serum of fmdv. the amount of target protein is over 26 % of the total bacteria protein by gel thin layer scanning analysis
擴增產物連接到pgem - teasy載體中,轉化大腸桿菌dh5菌株,篩選氨芐青霉素抗性菌落,提取質粒經酶切鑒定、 pcr分析以及確證性測序證明,所克隆的1500bp左右的片段含有完整的3abc基因,與國外參考序列相比,同源性在99以上。將重組質粒pgem - 3abc和表達載體ptriex - 4neo分別用sal和bgl與xho和bgl消化后,亞克隆3abc基因至原核表達載體ptriex - 4neo中,通過酶切鑒定、 pcr擴增以及序列分析,發現克隆到ptriex - 4neo載體上的片段於3abc基因708bp處出現了17bp的缺失,碰巧在3ab基因后形成一終止密碼子,但3ab基因的閱讀框架完整,選出含有3ab基因完整閱讀框架的陽性克隆,用iptg誘導表達,收集菌液進行sds - page電泳、 westernblotting分析,結果表明, 3ab基因在大腸桿菌中成功表達,其表達產物為分子量33 . 5ku的融合蛋白,並能被口蹄疫病毒陽性血清識別。經薄層掃描分析,表達量占總蛋白量的26以上。A novel phase - shifted zero - voltage and zero - current switching pwm dc / dc full - bridge converter is presented in this thesis, which is based on the groundwork of summarization of the development of power electronics in recent years and lucubration in theoretical basis of modern high frequency soft switching power convert technique and analysis of operation principle, characteristic of the circuit and inherent drawbacks of the traditional phase - shifted zero - voltage switching pwm dc / dc full - bridge converter
本文在對近年來電力電子學科的發展高度綜述和對現代高頻軟開關功率變換技術理論基礎深入研究的基礎上,對傳統的移相控制zvspwmdc dc全橋變換器的工作原理、電路特性、存在的缺點進行了分析,在此基礎上提出了一種改進型的移相控制zvzcspwmdc dc全橋變換器。The as - grown crystals were characterization by cutting and directional, x - ray diffraction, high resolution ohmmeter, ir transmission spectroscopy, visible light absorption spectroscopy, scan electronic microscopy ( sem ) and positron annihilate time technique ( pat ). the ir transmittance of czt single crystals grown with cd - riched is about 53 %, while 23 % with no cd riched
採用解理實驗、 x射線衍射、電學性能測試、紅外透過譜測試、可見光吸收譜測試、 sem蝕坑分析、探測器的試制等分析測試方法,並首次採用正電子湮沒壽命譜分析方法來研究czt單晶體的空位缺陷,綜合表徵了所生長的晶體的質量和性能。The third part studies the actual questions of our e - government, and thinks there are 5 aspects of problem in the area : the people ' s ideas is the key to the problem, which is the largest resistance to build the e - government ; the old administrative system ca n ' t adapt the e - government ; it ' s serious to the " digital gap " question ; the information professional is scarce in the government ; the related laws and rules, especially the open information systems are imperfect, in face of the five problems, i bring forward the six countermeasures : the government should strengthen to educate the government employee on the related knowledge ; strongly push on reinventing government ; the " e - government " should be strugglingly developed ; resolve the " digital gap " question ; establish and perfect the correlative laws and rules ; try hard to settle the question of net safety
在論文的第三部分,我著重對我國電子政府目前的問題進行了提煉、分析,認為存在著五大方面,分別是:關鍵是人的思想觀念跟不上,成為電子政府建設的最大阻力;原有的行政體制不適應電子政府的發展; 「數學鴻溝( digitalgap ) 」問題嚴重;信息人才短缺;相關法律法規不完善、信息公開的制度保證不足。針對這五個方面,我提出了六點解決對策,分別是:大力加強對公務員的培訓和教育;強力推進政府再造:電子政務要大力發展;解決數字鴻溝問題,加大「兩軟一硬」投入;建立健全相關的法律、法規;努力解決好網路安全問題。Although this book deals, in the main, with the now well established techniques of analysis in conventional tem, a brief treatment is also given of further techniques of defect analysis such as high voltage electron microscopy ( hvem ) and scanning transmission electron microscopy ( stem ) this treatment is by no means detailed but is included to show that the subject is still developing in an exciting and challenging way
雖然這本書主要講述目前公認的常規tem分析技術,對于進一步的缺陷分析技術比如高壓電子顯微鏡( hvem )和透射電子顯微鏡法( stem )的簡單的處理也是有的,但是這種處理並不詳盡,只是列舉了在令人振奮和富有挑戰性的發展中課題中暴露出來的問題。The total number of defects induced by electron irradiation in 4h - sic is calculated theoretically. the deep level defect of eh6 / eh7 is considered to play the most important role in carrier recombination from the comparison of all kinds of possible electron traps
在輻照的位移效應方面:從理論上對電子輻照在4h - sic中引入的缺陷數量和各種缺陷能級進行了計算和分析,其中只有eh6 / eh7缺陷能級在sic中起著有效的復合中心的作用。Based on analyzing of the existence ecdis ( electronic chart display and information system ), the paper indicates that ecdis includes some limitation about its using scope
本文在對當前電子海圖系統分析的基礎上,總結了國內外現有電子海圖系統在應用范圍上所存在的缺陷。And now, a new wave of information construction appears in our country including electronic office. at the same time, we set up many information systems that are independent and have no uniform organization or standard. these isolated information islands make it hard to share information resource and block the process of information construction
當前,各地都在爭上電子政務,建數字城市;但是許多地方、部門各自為政,各建系統,缺乏統一的規劃和標準,造成了現有的信息系統是分散、異構、封閉的系統,互相之間不能共享信息,形成了一個個信息孤島。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。In our culture condition, the lepcs express oval cell markers ck 19, ck 14, ov6 and oc. 10, but not oc. 2 and oc. 5. the cells also express c - met, the receptor for hepa tocyte growth factor ( hgf ). antigens traditionally associated with haematopoietic stem cells, including c - kit, thy - 1 and cd 34, can be expressed by oval cells
該細胞系是典型的上皮樣細胞,體外生長時成「鋪路石」樣排布;在電鏡下觀察,細胞核質比大,胞漿中除一些線粒體和核糖體外缺乏其他細胞器;在體外培養時細胞可以保持不分化狀態,表達卵圓膽管細胞的分子標志,如ck14 , ck19 , ov6 , ocHowever, the politics and law institutions lack such necessary high - tech support to attain the most extensive electronic evidence of the computer - related crimes to penalize the offenders. in order to enhance the abilities of attacking computer - related offences, we need to conduct a profound study on the field of computer forensics, which is related to the computer forensics technology in question and requires not only the development of effective forensics tools, but also the research on its definition, standards, proceedings and some other basic theories
如何最大限度地獲取計算機犯罪相關的電子證據,將犯罪分子繩之以法,政法機關在利用高技術手段對付這種高技術犯罪方面缺乏必要的技術保障和支持,為了提高打擊計算機犯罪的能力,需要對計算機取證領域進行深入的研究,這不但需要開發切實有效地取證工具,更需要對計算機取證領域的取證定義、取證標準、取證程序等理論基礎進行研究,其中涉及的技術就是目前人們研究和關注的計算機取證技術。Meanwhile the paper analyzes the deficiency of current transmission coding and describes a new data transformation method, base91 coding with high encoding efficiency but low data extension
論文同時分析了現有的電子郵件系統傳輸編碼存在的缺陷,提出了一種利用編碼效率高、數據擴展率低的數字數據變換方法:基數- 91編碼來提高編碼效率。Abstract : recent studies on ferroelectric thin films, multilayered films and heterostructures are reviewed. the advantages and disadvantages of different processing methods for ferroelectric thin films are discussed. applications of the films, especially in ferroelectric memories, microelectromechanical systems and pyroelectric infrared detectors are described. some key problems are outlined
文摘:綜述了鐵電薄膜、多層膜和異質結構研究的新進展,分析了鐵電薄膜不同制備方法的優缺點.重點介紹了鐵電薄膜在鐵電存儲器、微電子機械繫統及熱釋電紅外探測器方面的應用.指出了目前鐵電薄膜及器件設計研究需要重點解決的一些問題The fatigue strength analysis of the rotor of defective generator
帶缺陷發電機轉子疲勞強度分析Intense pl band at 300 - 570nm, whose central position was found red - shifted with the increase of o content, was observed in the a - sihxoy thin films fabricated by pecvd. thin films with strong blue pl peaks were prepared by plasma oxidation, and the result directly proved that the blue pl peaks were originated from si - o defect levels
通過pecvd法與放電等離子體氧化技術結合獲得了主峰位於藍光波段的熒光帶,而且具有分立峰結構,其結果直接證明了藍光發射與缺陷能級有關,起源於si - o結合特定組態而形成的發光中心。Occurred through giant panda s alimentary canal. the cell wall became thinner, and the rupture and loss of primary and secondary wall was observed. therefore, it showed that giant panda has the ability to digest part of components of cell wall, such as pectin and semicellulose, etc. furthermore, it is possible that giant panda can digest a little cellulose. the morphological method used in this study is a new idea for nutrition research. the ability of utilization of cell wall of bamboo by giant panda is unique in carnivore. it is adaptation to its phytophage
Sp .筍細胞壁的利用狀況,利用石蠟切片半薄切片和超薄切片技術,通過光鏡和透射電子顯微鏡觀察,對比研究野生大熊貓食物和糞便中的松花竹筍細胞壁的形態。發現竹筍經過大熊貓的消化后,其細胞壁在形態上有明顯的變化,薄壁細胞細胞壁變薄,厚壁細胞初生壁和次生壁都有部分消失缺損或扭曲。Powerformer is a new high voltage generator , which use xlpe cable as stator winding instead of rectangular conductor bars , thereby it overcome the shortcomings which the shape of these conductors results in an uneven electric field distribution with high electric field strenghs at the corners especially and prevents the output voltage of the conventional generator from exceeding about 36kv powerformer offers a direct connection to the network without the need for a step - up transformer as a consequence, there are some merits in the total plant equipped with powerformer, such as high effiency, high availability, low maintaining cost and giving less environmental impact
Powerformer是一種新型的高壓發電機,它採用電纜代替矩形導體作為定子繞組,從而克服了矩形導體電場分佈不均勻,特別是在矩形導體在導體拐角處電場過于集中而使常規發電機的輸出電壓等級不能高於36kv的缺點,使其能夠直接和輸配電網相聯,這樣就不需要升壓變壓器,同時也使裝配powerformer的電廠具有如下優點高效率、可利用率提高、維修費用降低和降低了對環境的負面影響。We fully utilized the characteristics of the deficient electron structure ( carbon sp3 and boron ) and easy oxidation introducing - oh on bdd electrode surface to preparation of biosensors, which were used to investigate the electrochemistry of biological molecules and be rapid, sensitive
利用bdd電極的表面缺電子結構( sp3雜化碳和摻雜的硼)和易於氧化引入- oh的特點,在氧化或未氧化的bdd電極表面修飾化學/生物物質製成化學/生物傳感器,研究生物分子在電極表面的電化學特性,並實現對生物分子的準確、快速、靈敏、簡便測定。Speedy group ( hk ) limited was founded in 2004, specializing in rare electronic components, transformer, adapter and switching power supply distribution, we ' ve been the world renown electronic components distributor with many years development, especially taking a lead position on adapter, power supply and passive components ( tantalum capacitance, capacitance and inductance ), there are great supply for clients
鴻源集團成立於2004年,專注于緊缺電子元件的分銷業務,經過多年的努力,現已發展成為世界知名的電子元件分銷商,特別在無源元件(鉭電容、電容、電感)和電子配件(開關電源,變壓器,電源適配器等)佔有一定的優勢,並庫存大量現貨。分享友人