雜原子化合物 的英文怎麼說

中文拼音 [yuánzihuà]
雜原子化合物 英文
heteroatomic compound
  • : Ⅰ形容詞(多種多樣的; 混雜的) miscellaneous; varied; sundry; mixed Ⅱ動詞(混合在一起; 攙雜) mix; blend; mingle
  • : Ⅰ形容詞1 (最初的; 原來的) primary; original; former 2 (沒有加工的) unprocessed; raw Ⅱ動詞(原...
  • : 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...
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
  1. Abstract : analytical methods for impurities in tungsten and tungstic compounds in recent 10 years were reviewed. among them were atomic emission spectrometry , atomic absorption spectrometry , mass spectrometry , electrochemical analysis , spectrophotometry and activation analysis. 53 references were cited

    文摘:綜述了近10多年來鎢及其質元素的分析方法,涉及方法包括發射光譜法、吸收光譜法、分光光度法、質譜法、電學分析法以及活分析法等。
  2. When the substrate temperature is changed from room temperature to 550 and the gas pressure is varied from 0. 1pa to 30pa, the structures of zno thin films are c - axis oriented multi - crystalline. the landscape orientation growing speed of crystal grains is controlled mainly by depositing speed of zn and o atoms, while c - axis developing speed is chiefly dominated by depositing speed and activity of zn and o atoms

    Sb _ 2o _ 3摻zno薄膜中sb以替位( sb _ 2o _ 3和zn7sb2o12 )等形式存在, zno呈混晶方式生長;摻薄膜在遠紫外波段的吸收顯著增強,吸收邊變得陡峭且向短波方向移動達5nm ,在可見光波段的吸收有所增強。
  3. Recent progress in indium ( iii ) compounds promoted organic reactions and their application in organic synthesis is reviewed in this paper, in which special efforts have been given to carbon - carbon and carbon - heteroatom bond formation reactions

    摘要綜述了近年來三價銦促進的多種有機反應及其在有機成中的應用,其中重點討論了三價銦促進下的碳碳鍵和碳鍵的形成反應。
  4. The preparation of functionalized mesoporous molecular sieves were introduced, which are including the formation of the acid active sites, redox active sites and used the support for immsobilizing enzyme catalysts by heteroatomic substitution ; the formation of polymerization active sites, acid active sites or chiral catalysis sites by the organic - inorganic graft ( or hybridization ) ; as the carriers, the transition metals, transition metal oxides and acid catalysts are supported

    摘要介紹了介孔分篩經取代,引入酸功能、氧功能;經有機無機嫁接() ,引入聚功能、酸催功能、手性催功能;經修飾的介孔分篩,用作固定酶催劑的載體;作為催劑的載體,用於負載過渡金屬及其氧和制備負載的固體酸催劑。
  5. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生質熱解液制取生燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生質的能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果分別建立了以h和c為自變量的生質能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速熱解液裝置能量轉率計算和生質能量利用率計算提供了依據和方便; ( 2 )選擇了8種生質試樣作了等加熱速率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗數據和阿倫尼烏斯公式建立了生質熱解反應動力學微分方程,並採用goast - redfem積分法和p函數對其動力學參數進行了求解,解析出各種生質的頻率因和活能參數,進而建立了各種生質的熱解動力學模型,為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確定不同尺度的生質顆粒中心達到全熱解的時間,在體視顯微鏡下對不同粒度的生質顆粒的長徑比進行了實驗觀察和測定,得出生質的長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復溫度場傳熱學理論對生質傳熱過程及充分熱解時間理論進行了研究,解析推導出了不同尺寸生質顆粒中心溫度達到充分熱解溫度的時間( t ) ,得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果,為閃速熱解反應器固相滯留時間設計和預測提供了理論依據; ( 5 )根據上述實驗結果,綜運用工程力學、工程材料、機械設計學理,推導、建立了轉錐式閃速熱解反應器料滯留時間( )與轉速(或頻率)理匹配理論; ( 6 )提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。
  6. Owing to the exchange and interaction between electrons of based semiconductor gaas and magnetic impurity mn, this kind of material combines the functionality of semiconductors with that of magnetic compounds, which shows particular structural, electrical and magnetic properties. so this material is promising in the application

    由於這類材料中的基質半導體gaas與磁性mn中電之間的相互轉移及相互作用而使得這類材料兼有半導體及磁性的特點,並在結構、電性質及磁性質等方面表現出一些獨特的性質,因而具有巨大的應用潛力。
  7. This part emphasizes the synthesis of nanoarrays, aiming at controlling the size and distance of nanocrystallites using calixarene derivatives by altering the size, length and chemical structure of the organic molecules ; 2. this part emphasizes in situ synthesis strategy for fabrication of polymer network of zns based nanopowder, aiming at size controls, coating and preventing agglomeration following " one - pot " synthesis ; this method fits to low cost, large scale production ; 3. according to development in zno nanomaterials, we first report on the synthesis, characterization of amorphous zno, aiming at describing the principles and approaches of synthesis techniques, optical properties, spatial structure and doped effect ; the amorphous zno displays cage - like structure, showing a strong ultraviolet emission while the visible emission is nearly fully quenched, a potential uv - emission material ; 4

    本論文以量結構自組裝為出發點,提出利用杯芳烴及其衍生學受限反應實現尺寸可調半導體納米粒自組裝;提出有機聚網路位組裝zns基納米熒光粉方法,把熒光粉的納米、包敷、防團聚在「一鍋」反應中完成,適于低成本,批量生產;根據當前zno的研究情況,我們首次成了非晶zno ,研究了它的光學性質,確定了它的結構,並對其摻進行了初步的研究,非晶zno表現出強的深紫外發光特性,而可見發射非常弱,是一種有巨大潛在應用價值的深紫外發光材料;利用非晶zno的亞穩特性,對晶過程中非晶zno納米晶zno三維受限量結構特性,界面特性進行了深入的研究;利用固相熱分解一般受擴散控制特性,實現了尺寸可控的zno三維量結構的自組裝;利用非晶zno的高度分散性,容易均勻成膜特性,實現了非晶籽晶誘導低溫液相外延自組裝生長高取向zno晶體薄膜。
  8. Three series of absorbent powder samples were synthesized by the high - temperature solid - state method : the first is that fe / ti mol proportion in the material changes regularly ; the other one is that different thuliums doped in the same absorbent ; the last series is the absorbent was doped by different content thulium. the permittivity and permeability of the modified ilmenite absorbents were systematically measured

    通過使料中金屬離的摩爾比例( fe ti )作有規律變、在同一基質中摻同含量的不同稀土金屬以及改變同種稀土金屬的摻量等手段,採用高溫固相成法制備了不同系列可供進行吸波性能研究的鈦酸亞鐵類吸收劑。
  9. This paper gives a historical perspective about the past developments of physics in order to understand its present status and furthermore to glimpse its future prospects. we hope that this view may be helpful for those who are engaged in teaching and research in physics. from the stratification of the physical world, it is shown that there is coupling as well as decoupling between different strata, so that complex systems composed of an enormous number of particles will show properties which can not be simply reduced to laws governing individual particles. from this viewpoint, the frontiers of research in physics are discussed in relation to its future prospects. a bright future is anticipated for physics

    文章試圖對理學的發展歷史作一透視,從而理解其現狀,並進而窺測其未來的前景.我們希望這一看法對于當今從事理學教學與科研的人士有所助益.由於理世界的層次,諸層次之間既可能存在耦,又可能出現脫耦.因而大量粒所構成的復體系中所涌現的各種層展性質就不能簡單地還成個別粒所服從的規律.我們根據這一觀點並結理學的未來前景,討論了當今理學研究的若干前沿問題.一切跡象預示著理學將有光明的前景
分享友人