核譜儀 的英文怎麼說
中文拼音 [hépǔyí]
核譜儀
英文
nuclear spectrometer-
In this thesis, the development of emulsion polymerization theory and related new technologies are comprehensively reviewed, and the synthetic technologies of acrylate latex modified by organosilicon both at home and abroad are also reviewed. based on the current development and research in this field, attentions of this study are focused on three ways for preparing novel acrylate latexes modified by organosilicons, that is, 1 ) the acrylate monomers are copolymerized with unsaturated silicons by emulsion copolymerization ; 2 ) a new latex with microphase separation morphology is synthesized, which shows a core - shell structure character ; 3 ) soap - free polymerization is explored for preparing a higher - performance latex using an unsaturated silicon monomer, different acrylates and a reactive emulsifier. by using techniques of delaying addition of organosilicon monomer and a hydrolysis inhibitor, the hydrolysis and condensation of 3 - ( trimethoxysilyl ) propyl methacrylate during polymerization can be effectively prevented, as a result, organosilicon content in the macromolecular chain is increased
同時採用有機硅單體延遲滴加及添加水解抑制劑等技術，有效防止了-甲基丙烯酰氧基丙基三甲氧基硅烷在乳液聚合過程中的過渡水解及縮合反應，提高了聚合物大分子鏈中有機硅鏈節的含量；利用紅外光譜與差示掃描量熱儀對產物分子結構進行了表徵，並通過對共聚產物力學和吸水率的測試，證實了本研究所制備的有機硅改性丙烯酸酯共聚物具有比純丙烯酸酯聚合物更優良的力學及耐水性能；從分子設計角度出發，利用醇解反應合成出水解、縮合反應速率較慢的兩種新型不飽和有機硅單體： ?甲基丙烯酰氧基丙基三乙氧基硅烷和?甲基丙烯酰氧基丙基三異丙氧基硅烷；利用核磁共振對新型硅烷單體結構進行了證實；研究表明利用新型硅烷單體可以制備出高硅烷含量的有機硅改性丙烯酸酯乳液，且其聚合產物具有較高的力學及耐水性能。Pulse fourier transform nmr spectroscope
脈沖傅里葉變換核磁共振波譜儀High - resolution nmr spectroscope
高解析度核工業磁共振波譜儀Nuclear instrumentation ; portable gamma radiation meters and spectrometers used for prospecting ; definitions, requirements and calibration
核儀表.勘測用便攜式輻射線計和譜儀的定義要求和校準Persistent wave nmr spectroscope
邊疆波核磁共振波譜儀Pulse type nmr spectroscope
脈沖核磁共振波譜儀As a nuclear instrument, multi - channel analyzer ( mca ) is mainly applied to nuclear logging, y - ray spectrum measurement and x - ray fluorescence measurement, which are based on nuclear spectrum analysis
作為一種核儀器? ?多道分析儀，主要應用在基於能譜分析的核測井，射線譜測量和x射線熒光測量。The sims showed that the result of the concentration and the abundance ratio of li - 7 and li - 6 in the palladium wire were changed. it implied that the laser triggering on a pd wire with a low gas - loading ratio may have produced the nuclear process
並通過二次離子質譜儀（ sims ）測出了鈀絲中鋰- 7和鋰- 6的濃度變化和豐度比變化，說明在低充氫率的鈀絲中，在小功率激光的觸發下有產生核過程的可能。After many years of painstaking efforts and achieved national iso9001 : 2000 quality system certification, a series of production, marketing in an integrated enterprises, i plant the production of chemical reagents i of 6000, including organic reagents, inorganic reagents, lot reagents, biochemical reagents, imaging reagents, chromatography reagents, import reagents ; in addition, i also operating glass factory equipment and various medical equipment
經過多年苦心經營，取得了國家iso9001 ： 2000質量體系認證，形成了集生產、銷售於一體的綜合型企業，我廠目前生產經營的化學試劑達6000餘種，其中包括有機試劑、無機試劑、高純試劑、生化試劑、核磁試劑、色譜試劑、進口試劑等；此外，我廠也經營玻璃儀器及各種醫療器械。High - resolution nmr spectrometer
高分辨核磁共振波譜儀As compared with multi - channel analyzer, platform of microcomputer consumes much more energy, thereby, it will follow a rational line to be research and developing orientation of nuclear spectrum apparatus to choose new pattern platform of microcomputer of low power and develop tiny pattern and low power nuclear spectrum apparatus
對于基於臺式機和筆記本平臺的多道脈沖幅度分析器，微機平臺功耗很大。因此選用新型低功耗微機平臺，開發小型、低功耗的核能譜儀，成為今後核能譜儀的研究發展方向。Energy resolutions of 3. 3 % for the ae detector and 1. 5 % for er detector are obtained by the in - beam test with the elastic scattered 12c from 197au at the energy of 50. 3 mev
它可單獨作erd分析，也可配合q3d磁譜儀進行erd分析，獲得高精度的元素深度分佈譜，也可用於其它核物理實驗中。Suppressor is the key part for ic instrument, and developing a high performance suppressor for ic instrument is quite important to gradient ion chromatography, to analysis of some ions which have strong affinities with the functional groups located on the surface of the pellicular ion exchange column packing
抑制柱是離子色譜儀的一個核心部件，研製具有較高抑制容量的抑制柱對于離子色譜法的梯度淋洗、對于在分離柱上保留時間長的離子分析具有重要的意義。Basing on the mcnp software, the author solved the matter by calculating the value of point to replacing the value of cell or surface. the research searched out a new means to solve similar matters. by using the studying result, the author programmed the gamma code, with the interface of window, which can simulate the course that a y - detector measures the radioactivity in soil and calculate the dose ratio and the chart of energy deposition
作者以以上方法為基礎開發出了就地譜儀模擬軟體gamma ，軟體基於mcnp軟體平臺，具有可視化介面，用於模擬譜儀現場測量，可視化窗口界面使用戶可以方便地調節探測器內部結構的幾何尺寸及窗材料、測量高度、射線能量及發射率、核素在土壤中的分佈規律等參數，方便工程技術人員的使用。Using the microwave selective heating property for materials, by setup equivalent equation, and first time inducing the electromagnetic field perturbation theory to the design of heating materials for substrate in mpcvd, three temperature distribution modes were established, including temperature distribution comprehensive mode of inhomogeneous plasma, temperature distribution composite mode of composite substrate materials, temperature distribution perturbation mode of composite materials, which ii provided an whole new technology route to the design of substrate heating system in mpcvd and guided the preparation of heating materials for substrate. and then the heating materials for substrate were designed and optimized to obtain large area homogeneous temperature distribution even larger than substrate holder ' s diameter. as an important part, this thesis researched the nucleation and growth of diamond films in mpcvd, systematically researched the effects of substrate pretreatment, methane concentration, deposition pressure and substrate temperature etc experimental technologic parameters on diamond films " quality on ( 100 ) single crystal silicon substrate in the process of mpcvd, characterized the films qualities in laser raman spectra ( raman ), x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), infrared transmission spectra ( ir ), atomic force microscopy ( afm ), determined the optimum parameters for mpcvd high quality diamond in the mpcvd - 4 mode system
該系統可通過沉積參數的精確控制，以控制沉積過程，減少金剛石膜生長過程中的缺陷，並採用光纖光譜儀檢測分析等離子體的可見光光譜以監測微波等離體化學氣相沉積過程；利用微波對材料的選擇加熱特性，通過構造等效方程，並首次將電磁場攝動理論引入到mpcvd的基片加熱材料的設計中，建立了非均勻等離子體溫度場綜合模型、復合介質基片材料的復合溫度場模型及復合介質材料溫度場攝動模型，為mpcvd的基片加熱系統設計提供了一條全新的技術路線以指導基片加熱材料的制備，並對基片加熱材料進行了設計和優選，以獲取大面積均勻的溫度場區，甚至獲得大於基片臺尺寸的均勻溫度區；作為研究重點之一，開展了微波等離體化學氣相沉積金剛石的成核與生長研究，系統地研究了在（ 100 ）單晶硅基片上mpcvd沉積金剛石膜的實驗過程中，基片預處理、甲烷濃度、沉積氣壓、基體溫度等不同實驗工藝參數對金剛石薄膜質量的影響，分別用raman光譜、 x射線衍射（ xrd ） 、掃描電鏡（ sem ） 、紅外透射光譜（ ir ） 、原子力顯微鏡（ afm ）對薄膜進行了表徵，確立了該系統上mpcvd金剛石膜的最佳的實驗工藝參數。In the radioactivity measure of the environment samples, hpge - spectrometer can expediently analyze the species and content of the radionuclide in the environment samples. those demands the detection efficiency corresponding to the different energy y - ray in the various environment samples
在放射性測量中，採用高純鍺譜儀可以方便地分析環境樣品中放射性核素的種類和含量，但要準確地分析核素含量，需要準確知道各樣品中的各種能量射線的探測效率，通常由一定密度和樣品量的標準樣品來得到這一效率。By choosing different solvents, concentrations and temperatures, and using nmr spectrum technique, to determine the hydroxyl of z / e isomers of perillartine, the concentration of which was 3. 125 mg / ml, present different chemical shifts in c6d6, solvent and carbon tetrachloride and in the 1h nmr, and accordingly, conduct qualitative and quantitative analysis of z / e isomers of perillartine
摘要本文利用核磁共振波譜儀，通過對紫蘇葶溶液不同溶劑、不同濃度和不同測試溫度的選擇，使順式結構和反式結構的紫蘇葶羥基峰在核磁共振維氫譜中呈現出不同化學位移值，從而對其順式結構和反式結構進行了定性、定量分析。Standard test methods for hydrogen content of light distillates, middle distillates, gas oils, and residua by low - resolution nuclear magnetic resonance spectroscopy
低分辯核磁共振光譜儀對石油產品中含氫量的標準試驗方法The total nuclear heating is important elements for cns design and construction. at the same time, the gain factor is the principle exhibition of its performance, which also affects the design and installation of neutron guide tube and neutron apparatus connecting with it
核發熱量是冷中子源系統設計和建造的重要基礎，冷中子增益是冷源裝置性能的重要體現，直接影響著與其相連的中子導管及中子譜儀的設計和安裝。Utilizing ion - pair reversed - phase hplc, four kinds of oligonucleotides with size 18, 19, 20 and 21nt, respectively, were separated successfully. furthermore, two kinds of oligonucleotides with same size and difference sequence were successfully separated. linear regression equations of two standard samples have been set up
在普通的高效液相色譜儀上，應用反相離子對高效液相色譜法成功地分離了4種長度不同的單鏈寡聚核昔酸（ 18 、 19 、 20 、 zlnt ）以及兩種序列不同的19nt單鏈寡聚核昔酸。分享友人