電負性 的英文怎麼說
中文拼音 [diànfùxìng]
電負性
英文
electronegativity-
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。The negative photoconductivity effect was found in the dimixing phthalocyanine composites. the experiment results indicated that the negative photoconductivity effects were closely related with the partial charge transfer from the center metals to phthalocyanine rings, and the separation efficiency of photocarriers was a key factor to the photoconductivity
結果表明,共混復合后,其光電導性能表現出負效應,並發現酞菁中心金屬與其相連的氮原子之間的部分電荷轉移是引起復合體系光電導性能變化的根本原因,同時復合體系中的電子空穴對的分離效率是影響光電性能的一個重要因素。All analysis and simulations results indicate several methods improving the insulation recovery of spark gap switch : ( 1 ) using the gas with good thermal conductivity, such as h2 and sf6 ; ( 2 ) using the gas flow ; ( 3 ) utilizing the v / p cure ; ( 4 ) modifying the geometry and size of the electrode ; ( 5 ) using the gas with good electronegativity, such as sf6. some experiments on the multi - pulse operation of high power spark gap switch are carried out. the insulation recoveries of switch without and with gas flow are both investigated
結合理論分析和模擬結果,提出了氣體火花開關多脈沖運行特性可採用如下方法: ( 1 )使用導熱性能好的氣體,如h2 、 sf6等; ( 2 )採用吹氣的方法; ( 3 )增大氣壓,在電極表面增加細小結構,構造平穩的v / p曲線; ( 4 )改良開關電極結構和尺寸,採用奶頭-半球結構的電極; ( 5 )使用電負性強的氣體作為開關絕緣氣體,如sf6 。It ' s high - frequence noise absorption, absorption of noise caused by rapid rise of front and self - reset function have widespread application in imput of supply, for absorption of inductive load switching surge voltage and for protection of two - way thyristor switching device, bypass capacitors, micro - machines and the others
它所具有的吸收高頻噪聲、前沿快脈沖上升噪聲及自復位功能,使其在電源輸入端、吸收電感性負載開關浪涌電壓、保護雙向可控開關器件、旁路電容器、微型電機等方面有著廣泛的用途。The process works in this way : a plasma as a whole is electrically neutral, containing equal amounts of negative charge ( electrons ) and positive charge ( ions )
過程是這樣的:電漿整體而言是電中性的,具有一樣多的負電荷(電子)及正電荷(離子) 。To explain this, we ' re going to avoid the idea of impedance ( which has resistive, capacitive and inductive components, some of which vary in effect by frequency, thus varying the actual loading ) and use pure resistance to describe the concept
為了便於解釋,我們準備暫時避免使用阻抗這一概念,因為它有電阻性、電容性和電感性成分,而其中一部分會隨著頻率的變化而變化,從而改變了實際的負載。Research on the output capability of load cell and the offset circuit
負荷傳感器補償電路及電特性研究The modified copolymer solution has lower surface tension than the unmodified one. by measuring adsorptive content, we find that the adsorptive content of fdn superplasticizer is higher than the modified copolymers, but their adsorptive shape on the surface of the cement particles is different. measuring of potential of cement particle indicated that higher potential leads to better dispersibility for used superplasticizer
通過對減水劑的表面張力、吸附量、 5電位研究,發現改性后的減水劑均比未改性的共聚物更能降低水的表面張力;茶系減水劑比合成的減水劑具有更大的飽和吸附量,但彼此的在水泥顆粒表面的吸附形態並不相同:減水劑一水一水泥體系具有雙電層,加了減水劑的水泥膠粒的電負性顯著增加,改性后產物的負電性與改性前相比明顯增加。Development of cmos devices and circuits with sub - 0. 1 m gate length
新型高頻硅光電負阻器件的特性模擬及測試分析Five different structures are described : standard transformer coupling, parafeed, resistively loaded stage capacitively coupled to the output transformer, tube ( valve ) based constant current source load capacitively coupled to the output transformer, and solid state ( mos fet ) constant current source load capacitively coupled to the output transformer
我們將討論五種不同的方式:標準變壓器耦合;旁饋耦合;電阻性負載電容性耦合至輸出變壓器;膽恆流源負載電容性耦合至輸出變壓器;以及晶體管恆流源負載電容性耦合至輸出變壓器。According to its uses, lcd panel can be classified into 9 categories such as communication, domestic electrical appliance, palm computer, transportation means, measuring apparatus, meters and instruments, stationery, entertainment facility and others. according to display methods, lcd panel can be divided into two types, i. e. positive and negative types. according to optical modes, lcd panel falls into four categories, namely, reflective, transmissive, transflective and holographic types
液晶顯示屏lcd分類方式有多種,如:按產品用途,可分為通信工具家用電器掌上電腦交通工具計量器械儀器儀表文教器具游藝設施等類別按顯示方式,可分為正性負性兩類按光學模式,可分為反射型透射型半透半反型全息型等4類按lcd類別,可分為tn型htn型stn型fstn型按顏色模式,可分為黃綠灰黑白藍等按觀察方向,可分為3 6 9 12點鐘及其它等。Sub - c mh - ni power batteries were prepared with excellent electrochemical performance based on the research of the high rate performance at different temperature. the change of temperature, impedance and weight loss was investigated in the process of recycle at high rate. it showed that the discharge time is 5. 9min at 10c and the middle voltage is 1. 05v
三、根據對電池大電流和溫度性能的研究,研製了具有較好電化學性能的動力型鎳氫電池,並分別測試了電池在大電流循環過程中的溫度、內阻、重量和正負極板等的變化情況,以此分析引起電池性能衰減的原因。We think increase of the internal resistance of battery is the main problem to the recycle life deteriorating at high rate, besides the influence of the materials. decomposition occurred on positive and negative electrode at high rate current and the interspaces increased. the restrains of swelling and the increase of an oxygen overvoltage can improve the performance of recycle life
對于電池性能衰減的原因,認為除了所使用的材料是影響電池性能的重要因素之外,在溫度和大電流作用下,電池的正負極材料發生裂解,極片內空隙增大,電池內阻性能惡化是引起電池高倍率循環性能惡化的關鍵;通過抑制正極析氧和膨脹,並降低負極合金材料的粉化過程,將有望緩解電池內阻特性的惡化,從而提高電池高倍率充放電循環性能。( 3 ) negative electricity, radius, complex numbers, electrical values of ions, maturity of weathering profiles, distribution of elements in parent rocks, medium conditions, absorption of clay minerals and organic matters are important factors controlling geochemical behavior of elements during black shales weathering
( 3 )電負性、離子半徑、配位數、電價、剖面發育程度、元素在母巖中的分佈、介質條件、粘土礦物和有機質吸附作用等是影響黑色頁巖風化過程中元素行為的重要因素。Electronegativity scale of elements calculated by density functional theory and related methods
以密度泛函理論及相關方法計算電負性標度Abstract : in the framework of density functional theory, the development of electronegativity, electronegativity equalization theory and their applications for exploring some molecular properties are overviewed
文摘:以密度泛函理論為框架,綜述電負性和電負性均衡理論的發展及其在探討各種分子性質時的應用。The proper atomic clustcr model is developed in the papel according to calculating results of quantuin chemiwt and the theory of sanderson electro - negativity the law of electron distribuing in brass material and the electto - negativity of brass - zinc are established
為進一步研究反應機理,本文採用適當的原子簇模型,通過量子化學計算及sanderson電負性分析對黃銅中的電子分佈規律及銅鋅電負性進行了探討。The researching result is shown that an electron divided equally trend and an action of bond forming exist in brass atom and zinc atom in brass substtate. so, the electro - negativity equilibrium principle developed by sanderson et al, may be extend to the system such as brass under different conditions. the electro - negativity equilibrium was produced during the process from pure brass and pure zinc to brass - zinc alloy, and the difference of chemical properties between alloy and pure material is great
結果顯示黃銅中銅鋅原子間存在一定的電子「均分」趨勢,使銅鋅原子間存在一定的成鍵作用,可以將sanderson等人提出的「電負性均衡原理」有條件地推廣到黃銅這類合金體系中,正是這種銅鋅形成合金時所產生的電負性均衡,使得黃銅中的銅鋅與單質狀態下的銅鋅相比,在化學性質上發生了差異,且增強了黃銅的穩定性,限制了黃銅中的鋅在鍍液中滲出。Because the tungsten from the phosphotungstic acid could pull out and deposit on the surface of catalyst, and the electronegativity of mo - o is smaller than that of w - o. the smaller the electronegativity is, the higher oxidation activity is. thus phosphomolybdic acid shows better catalytic oxidation activity than phosphotungstic acid
由於磷鎢酸中的鎢可以脫出並少量沉積到催化劑表面,而且從電負性來說mo - o的鍵能小於w - o ,鍵能小的雜多酸有較強的氧化性,所以鉬系雜多酸催化活性要好於鎢系雜多酸。Fluorocarbon paint paint fluorocarbon coating, fluororesin coating : coating, coatings with the introduction of the element fluorine - - negative, fluorocarbon bond energy, and possess exceptional properties : weatherability, heat resistance, low temperature resistance, chemical, but not unique viscosity and low friction, fluoride coatings in the construction, chemical industry, electrical electronics industry, machinery industry, the aerospace industry, household goods in various fields has been extensively applied to become acrylic coatings, polyurethane coatings, silicone coating and other high - performance coatings, the highest performance coatings brands
氟碳油漆漆、氟碳塗料、氟樹脂塗料:在各種塗料之中,氟樹脂塗料由於引入的氟元素電負性大,碳氟鍵能強,具有特別優越的各項性能:耐候性、耐熱性、耐低溫性、耐化學藥品性,而且具有獨特的不粘性和低磨擦性,氟塗料在建築、化學工業、電器電子工業、機械工業、航空航天產業、家庭用品的各個領域得到廣泛應用,成為繼丙烯酸塗料、聚氨酯塗料、有機硅塗料等高性能塗料之後,綜合性能最高的塗料品牌。分享友人