重氮化了的 的英文怎麼說
中文拼音 [zhòngdànhuàlēde]
重氮化了的
英文
diazotized-
Elastic collision and inelastic collision are considered in oxygen molecule, nitrogen molecule by electron impart. the mail simulation results were as follow : ( 1 ) the variations of drift velocity and the average energy of electron with the e / n in o2 and n2 are obtained. the number of electrons for excitation, ionization, dissociation and dissociative ionization collision with the e / n and the energy of electron are analyzed emphatically
考慮了各種彈性和非彈性碰撞過程,在純氧氣、純氮氣中,給出了不同簡化場e n條件下的電子漂移速度和平均電子能量的變化;著重分析了激發、電離、分解及分解電離碰撞的粒子數隨e n 、電子能量的變化,同時計算了激發發射光譜的波長。Management of n in agricultural ecosystem is one of the most essential factors for agricultural sustainability. injudicious use of nitrogen fertilizer has induced a crucial environmental problem, which includes volatilization of nox to the atmosphere, acid rain, induced leaching of soil nutrients, changes in the global n cycle, and nitrate pollution of groundwater
農田生態系統中長期單一、過量偏施化學肥料特別是化學氮肥,造成農產品品質下降,肥料利用率低,不僅增加了農業生產成本,還嚴重污染環境,已成為農業可持續發展的一個重要制約因子。Can effectively promote the diazo decomposition and resulted in selective intramolecular n - h insertion. on the other hand, the wolff rearrangement of the
在-重氮羰基化合物的合成應用方面,發現了cu acacAbstract : based on the principle of non - weighting determination of c 、 h 、 n atomic ratio , a micro - injection sample introducing method was developed for determination of h / c ratio for volatile reagent
文摘:根據不稱重法測定化合物碳、氫、氮原子比的理論,建立了微量注射法測定強揮發性液體樣品的氫/碳原子比的方法。The first liquid oxygen and liquid nitrogen equipments of xichang and jiuquan satellite lauching base run normally until now, which has made important contribution for our coutry ' s aviation and spaceligh enterprise, thus attained national defense sicience and industry committ ' s appreciation
提供大連日酸氣體公司的氮液化設備,開創了日酸公司首用國產成套設備的先河;哈爾濱黎明氣體公司和成都僑源氣體公司則是我公司大型液氧液氮設備的重點用戶,由於過硬的技術和穩定的質量,短短二、三年時間內,這些用戶相繼增購了多套同類產品。The silica coated nanometer particles after containning in n2 for 2h within 600 c is the crystallization form. thus it can sufficiently work the nano effect. the surface of the composite particles has no crystal water and no absorbing water. the anti - oxidation ability increase after coating
鐵納米復合粒子為結晶態,納米粒子在6000c ,氮氣保護下,納米粒子不重新結晶,殼層二氧化硅包裹在納米鐵表面阻斷了納米粒子之間的重新原子排列。Erlongshan reservoir water quality was evaluated for class and class by monitoring continuously indexes and was unable to meet the requirement of central drinking water source due to higher cod ( subscript mn ), tn and tp and eutrophic environment
摘要連續監測和分析了二龍山水庫的水質,對水污染程度進行了評價,水庫高錳酸鹽指數、總氮和總磷超標嚴重,呈現富營養化狀態,總體水質為類和類,已無法滿足集中式生活飲用水水源地的水質要求。In light of current using situation and drawing on the experience of many scholars researched methods and viewpoints, this thesis made com land, fallow land, orchard, grass land as experimental field in black soil region jlau, which carried out experiment by applying different amounts of n and p fertilization in corn field. by means of collecting the samples of rainfall runoff, erosion silt and surface layer soil before and after rainfall for one year nature precipitation in field, we study the effect of surface runoff on n and p nutrient and fertility degeneration. the results showed : ( l ) there are lots of factors which affect soil erosion and losses of n and p, in which rainfall and rainfall intensity were more important, while rainfall intensity is the most important meteorological phenomena factor
針對當前黑土利用現狀,本文借鑒眾多學者的研究方法和觀點,在吉林農大黑土區選擇利用方式不同的玉米地、休閑地、果園、草地,在玉米區進行了不同數量的施肥,通過野外試驗,採集一年自然降雨產流及泥沙樣品,同時採集降雨前後的耕層土壤樣品,研究了黑土區地表徑流對氮磷養分特徵及肥力退化的影響,結果表明:土壤侵蝕和氮磷的流失受諸多因素的影響,降雨量、降雨強度是重要因子,而降雨強度是影響農田地表徑流養分流失的最重要的氣象因子,特別是暴雨,暴雨徑流中氮磷濃度較平時高得多;隨作物生長,覆蓋度逐漸增加以及不同利用方式下表現的覆蓋度差異,氮磷流失都表現為顯著的差異。The tested materials include ( 100 ) silicon wafer, ( 110 ) silicon wafer, poly - silicon thin film, dry oxidized silicon dioxide thin film, wet oxidized silicon dioxide thin film, lto thin film, standard lpcvd silicon nitride film, low stress lpcvd silicon nitride film, alumni nitride film, zinc oxide film etc. in the nanoindentation experiment of the single crystal silicon, two different mechanical phases are observed at different indentation depth
用納米壓入法對( 100 )單晶硅及( 110 )單晶硅、多晶硅薄膜、干氧薄膜、濕氧薄膜、 lto薄膜、標準氮化硅薄膜、低應力氮化硅薄膜、氮化鋁薄膜、氧化鋅薄膜等重要材料的楊氏模量和納米硬度進行了系統地測量。報道了單晶硅在壓入過程中觀測到的兩個力學相的變化。The present results indicated that enhanced uv - b radiation affected the absorption of nitrate, assimilation of nitrogen and synthesis of amino acids
這些都嚴重影響了紫萍對硝酸鹽的吸收、氮素的同化和氨基酸的合成,進而也影響了植物體內蛋白質的合成。Furthermore, the growth and the study of self - organized quantum dots structures become more and more important recently, and the application of self - organization technique become wider and wider in this thesis, we address the theory of film growth and the growth technique firstly more, the ways and characteristics of surface detection are prescribed we mainly report the growth process, results and discuss of self - organized quantum dots structures in the a12o3 substrates by s - k mode using ecr - mocvd, in the espd - u device the growth art of ain epilayer which is the preliminary foundation of self - organized gan / ain quantum dots structures, including the substrate cleaning, nitridation, the growth of buffer and the growth of gan and ain epilayer, is discussed we deliberately compare the test result of rheed xrd and afm and achieved the optimalized condition of ain at last we have successfully realized the growth of ain which is much smooth and better crystal quality moreover, we grow the self - organized gan / ain quantum dots structure in s - k mode because the limits of the heater temperature, we can not grow the atom - smooth epilayer of ain until now so we could not grow better quantum dots which have small diameter and big density but the self - organized quantum dots structures with better quality will be realized successfully if the substrate temperature is increased the thesis study belong to my tutor subject of national nature science foundation ( 69976008 )
本論文主要論述了在espd - u裝置上,採用電子迴旋共振等離子體增強mocvd ( ecr - pamocvd )方法,在藍寶石襯底上通過s - k模式自組裝生長gan aln量子點結構的生長工藝、結果及討論。而重點分析了自組裝生長量子點之前的aln外延層生長工藝,包括襯底清洗、氮化、緩沖層的生長和gan 、 aln外延層的生長;通過高能電子衍射、 x射線衍射和原子力顯微鏡測試,並且對這些測試結果進行了詳細的比較研究,得出了較優化的工藝條件,生長出了晶質較好、表面較平整的aln外延層;進而採用s - k模式自組裝生長了gan aln量子點結構。由於實驗裝置加熱爐溫度的限制,我們沒有能夠生長出原子級平滑的aln外延層表面,因而沒能夠生長出密度比較大和直徑比較小的量子點。In the end of the paper, we discussed the particular advantage of rf - pepld for deposition of c - bn thin films and the important meaning of the nanothermodynamic theory proposed by this paper
文章最後提出了常溫下rf 『 pepld方法沉積立方氮化硼薄膜的獨特優勢並討論了本文提出的金剛石的納米成核熱力學理論的重要意義。Abstract : through analysis of properties of the moulds used in aluminium alloy forging products after nitriding process, the significance of moulds nitriding process in massive, medium or small type and high - precision aluminium alloy die forging products is discussed
文摘:通過對生產鋁合金模鍛件所需模具經過氮化處理后的性能分析,闡述了模具氮化處理在大批量、中小型、高精度鋁合金模鍛件生產中的重要性。The thesis focuses on the manufacture practice and the characteristic of ionic nitriding. the emphasis is placed on the research of plasma nitriding principle, nitriding technics and operation, test on the microstructure and performance of the nitrification layer
該課題著力于生產實踐,圍繞離子氮化技術特點,注重理論聯系實踐,介紹了等離子滲氮原理、滲氮工藝和操作、離子滲氮層組織性能的檢測。The formation mechanism of titanium nitride powders by reduction of carbon and nitridation was researched by method of continuous weighing. the possibility to obtain the titanium nitride from this process was asserted by thermodynamical analysis and by the means of x - ray diffraction and sem
用連續稱重法研究了鈦白粉被活性碳還原氮化合成氮化鈦粉末的還原氮化反應機理,並進行了反應的熱力學、反應產物的顯微結構以及x - ray衍射分析。Abstract : to promote development of low alloy steel bearing vanadium and mitrogen, the process, conditions and products of preparing nitrided ferrovanadium and vanadium nitride are introduced on the basis of main documents
文摘:為推動含釩氮低合金鋼的發展,在查閱主要文獻的基礎上,重點介紹了氮化釩鐵及氮化釩制備的工藝方法、條件及產品情況。Through parallel experiments, the rules were studied more that the composition of electroless plating solution and reaction condition affected on the reaction of electroless cobalt plating of nano - sian4 with ultrasonic wave, such as " induction period ", the speed of reaction, appearance and morphology of composite powder, the component and phases of the plating et al
通過對比實驗,分別就鍍液組分及其工藝參數對納米氮化硅化學鍍鈷反應孕育期、反應速度、復合粉末外觀、形貌,鍍層成份及相結構的影響規律進行了深入研究。孕育期是反映化學鍍液質量,影響化學鍍效率的重要參數。We found a novel " weight effect of catalyst to the carbon nanotube cvd growth, which can dramatically enlarge the net ratio of carbon nanotubes. furthermore, by changing the reactant, new carbon nanotubes doped with nitrogen was fabricated. secondly, based on the successful catalysis synthesis of aluminum borate nanowires, a method to synthesize this excellent enhanced material with large yield was developed
通過系列實驗發現了碳納米管cvd合成中的「催化劑的重量效應」 ,該效應能夠極大地提高碳納米管的產率(凈產率達到1450 )和純度(大於90 ) ,並且有希望應用於其它一維納米材料cvd催化合成;改變碳源,大量合成了摻有氮的碳納米管。The thermal shock resistance of the prepared material is explored too. processing parameters were comprehensively investigated to achieve better mechanical strength and microstructure, experimental results indicate that suitable amount of sintering aids can promote the development of sian siaona ) and increase the crystal size, while excessive sintering aids amount will exert a side effect ; biding phase increases obviously with si powder additive which greatly improve the strength of the composite
本論文著重探討了在利用該方法制備si _ 3n _ 4 ( si _ 2on _ 2 ) - sic復合材料過程中的燒結助劑引入量、 si粉加入量、 sic顆粒級配和氮化制度對復合材料基體相生成的影響及對復合材料強度的影響,同時也初步探討了si _ 3n _ 4 ( si _ 2on _ 2 ) - sic復合材料的抗熱震性能。It is a1so referred to the nlo liquid crystal polyurthanes and the system of nlo liquid crysta1 polymer briefly. fchrmore, the possibility of combining the nlo polyurthanes and lcpu is also discussed based on azobenzene compound, whch own liquid crysta1line mesogenic unit and nonlinear opical wht togethel a series of polyurethanes with two kinds of diisocyanates were synthsized with azobenzene compounds which we prepared beforehand. the azobenzene compounds were charaterized and confirmed by ftir, " h - nmr, uv - vs, dsc, and elemeni analysis
本文第一章簡介了液晶的有關基本概念;綜述了聚氨酯液晶的研究進展,並著重總結了聚氨酯液晶的合成方法和影響聚氨酯液晶形成液晶相的因素;介紹了非線性光學聚氨酯液晶,對非線性光學聚合物液晶體系也作了扼要的闡述,指出利用含有既是液晶基元又是非線性光學單元的偶氮基團的化合物合成聚氨酯液晶,實現兩者結合的可能性。分享友人