摩爾比法 的英文怎麼說
中文拼音 [móěrbǐfǎ]
摩爾比法
英文
mole ratio method-
This method, however, involves using a large excess of diethyl carbonate ( for example, 4 - 8 mols. ) ; it also involves preparing sodium ethylate by dissolving sodium metal in ethanol, which process must be carried out very slowly and carefully if it is to be used on a manufacturing scale
但是這一方法涉及到使用大量過量的二乙基碳酸酯(例如, 4 - 8摩爾) ;同時也涉及到在乙醇中溶解納來制備乙醇納的反應,這個過程必須非常緩慢小心地進行,如果在工業生產級別上是用這一方法就比較麻煩了。Geoff hurst hit an unforgettable hat - trick and martin peters also scored on the day captain bobby moore, their west ham teammate, held aloft the jules rimet trophy
赫斯特上演了令人難忘的帽子戲法,皮特斯同樣打進一球,而他的西漢姆隊友,國家隊隊長,博比?摩爾舉起了雷米特杯。Hurst ' s famous hat - trick was instrumental in the eventual 4 - 2 win over west germany, while one of the most iconic images after the victory was that of bobby moore on the shoulders of his team mates, holding aloft the jules rimet trophy
赫斯特那個著名的帽子戲法使得球隊4 2戰勝西德,而博比?摩爾手舉雷米特杯被隊友扛在肩上慶祝的畫面則定格在了人們的腦海中。The ordered and micro - phase structures of the molecular of pu materials are decided directly by its synthesis technology, composition and other materials compounded with it, and they will influence the possessive properties of pu materials. in this paper, general studies on pu have been carried out by the methods of controlling the prepolymerize technology, taking off dissociative tdi from prepolymer through decompress boiling distilling technology, polymerized in - situ with nano - particles and interpenetrated with ps, the relationship between properties and structure of pu / omt, pu / sio2 nano - composites and pu / ps ipns were characterized by ftir, dmta, tem andtga
本文用控制預聚體反應中單體的摩爾比、減壓共沸蒸餾去除預聚體中游離tdi 、用納米填料參與聚氨酯原位復合和與聚苯乙烯進行互貫等方法,合成了聚氨酯蒙脫土納米復合材料、聚氨酯sio _ 2納米復合材料和兩步法合成的基於聚醚( ppg )和聚酯( 3010 )的聚氨酯苯乙烯互穿網路聚合物材料,研究了其性能;運用ftir 、 dmta 、 tem 、 tga等表徵手段,對復合材料的結構進行了研究。Thirdly writer, using linear elastic theory and finite element program ( ansys ), analyzed expanding bolt pullout test. fifthly, writer using the modified mohr - coulomb failure theory, on the base of curving failure surface, derived a theoretical formula between pullout force and compressive strength. then the thesis compared the formula with the strength - detecting formula of expanding bolt pullout method
本文採用ansys有限元程序對脹栓拔出法試驗過程進行彈性理論分析;以修正的摩爾-庫侖破壞準則,在擬合實際破壞面的基礎上推導出極限狀態下脹栓拔出法的混凝土拔出力與混凝土抗壓強度的理論公式,並把該公式與脹栓拔出法測強公式進行了比較。Abstract : the synthetic method of pentaerythrito naphthenate by n on - acid catalyst sno was studied. the influences of mole ratio of ethanediol and naphthenic acid, a mount of catalyst, reation time, reation temperature etc. on est erification were discussed and the suitable processing conditions were found
文摘:介紹了用氧化亞錫非酸性催化劑催化合成環烷酸季戊四醇脂的方法,通過討論醇酸摩爾比、催化劑用量、反應時間、反應溫度等因素對該脂化反應的影響,從而確定了適宜的工藝條件In this paper, co3o4 nano - particles were prepared by homogeneous precipitation method, technical conditions and kinetics were studied, the main contents and results are as follows : co ( no3 ) 2 6h2o was used as raw materials, and co ( nh2 ) 2 was used as precipitator, co3o4 nano - particles were prepared by homogeneous precipitation. the influences of concentration, molar ratio of reactants, reaction temperature and time, dryness temperature and time, and calcining temperature and time on particle size were investigated
本文採用均勻沉澱法制備納米co _ 3o _ 4粉體材料,研究了制備工藝條件、沉澱反應和前驅體熱分解過程的動力學,主要研究內容及結果如下:以硝酸鈷為原料,尿素為沉澱劑,採用均勻沉澱法制備納米co _ 3o _ 4 ,考察了硝酸鈷濃度、反應物摩爾比、反應溫度和時間、乾燥溫度和時間、煅燒溫度和時間等條件對產物粒徑的影響。By using the method of burning, we fabricated the ceramic powder of al2o3, and discussed the effect of mole percentage of metal ions and urea on forming phases of al2o3. we calculated the x - ray powder diffraction by scherrer formula, and we thought that the ceramic powder reaches nano order
採用燃燒法制備了al _ 2o _ 3陶瓷粉末,討論了金屬離子和尿素的摩爾比對al _ 2o _ 3成相的影響;對其x射線粉末衍射數據用scherrer公式計算得出所得al _ 2o _ 3陶瓷粉末已達到納米量級。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
通過使原料中金屬離子的摩爾比例( fe ti )作有規律變化、在同一基質中摻雜同含量的不同稀土金屬以及改變同種稀土金屬的摻雜量等手段,採用高溫固相合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化合物吸收劑。According to timothy geithner, president of the federal reserve bank of new york, which keeps a close eye on wall street ' s exposures, “ risk management is better and capital cushions are stronger than they were, relative to risk
根據紐約聯邦儲備銀行主席提摩西.蓋特納的說法(無視華爾街被曝光) , 「風險管理更好,而且資本安全余量相對于風險來講,比以前更堅實。A design principle of oxygen - methanol mole ratio control system in formaldehyde technology is proposed, and some methods to handle complex formula with signal chip computer are put forward
摘要介紹甲醛工藝過程中,氧氣與甲醇摩爾比控制系統的設計原理,給出了微機實現時一些復雜算式的處理方法。The island of formosa has ever been a favorite haunt of outlaws from china and from various other countries, and the savageness and unruliness of the population were so great that those parts of the country which were conquered several times were never colonized
福爾摩沙島曾經是過去來自中國和許多國家的犯罪者常來躲藏的好地方,因為其環境無比的險峻和無法紀的居民,而從未讓過去幾次侵略者殖民過。Louis, thanks to its popularity in the united states, then disa eared again in 1912 at stockholm because sweden ' s national law ba ed it
但是拳擊比賽又於1912的斯德哥爾摩奧運會上消失,因為瑞典的法律禁止這項運動。Compared with the samples by conventional method, the distribution of the molar mass of the samples ( with polydispersity index of 1. 762 ) made by novel technique was narrow, and was equal to that of foreign products
制得的樣品(多分散性系數為1 . 427 )與常規方法制得的樣品(多分散性系數為1 . 762 )相比其摩爾質量分佈較窄,與國外產品相當。Through the characterization of the molecular weights of pam, sem and dsc of composite, the results clarified the change of mechanical properties of composites. the tensile strength and impact strength of pam2 / pa - 6 composite showed that were related to the content of initiator naoh for the polymerization of e - caprolactam. the intrinsic viscosity of pam, sem and the crystallinity of nylon phase carried out the results, which explained the change of mechanical properties of composites
對于pam2 pa - 6體系,復合材料的拉伸強度與沖擊強度隨醛胺摩爾比的變化趨勢與引發劑用量有關,通過pam2分子量、尼龍結晶度、球晶形態、 sem以及dsc等表徵方法對這種變化趨勢的研究表明,復合材料的力學性能與上述因素有密切的關系。The thesis studies the films " structures and properties by means of scanning electron microscope ( sem ), transmission electron microscope ( tem ), x - ray photoelectron spectrometer ( xps ), raman spectrometer, uv - vis spectrometer, thin films analysis apparatus, and target materials. it is the difference of atom ordinal number and sputter area that results in ce prior sputter and ce / ti molar ratio in films is 50 % more than ce / ti molar ratio in practical target design
利用各種分析測試方法( sem 、 tem 、 xrd 、 xps 、 raman 、 uv - vis 、薄膜分析儀等)對薄膜的結構與性能進行了全面研究,得出如下結論:靶材的濺射由於ce 、 ti的原子序數不同,濺射閾不同而造成ce的優先濺射,薄膜中的ce ti摩爾比與實際靶材設計的ce ti摩爾比高50左右。We studied the different parameters ’ influences on the structure and the performances of snsb produced by chemical coreduction method, including the synthesizing temperature, desiccating time, the ph value of the reducing agents, and the reactant contents and made some improvements on the preparation methods
採用化學還原法制snsb ,研究了合成條件對snsb結構和電化學性能的影響,討論了合成溫度、乾燥時間、還原劑ph值、不同摩爾比對材料性能的影響,優化了反應條件。Our company provides related project service for renowned cement companies, including italy cement company, germany heidelberg company, france lafarge company, to build cement plants in italy, france, dominica, albania, morocco, zambia, spain and saudi arabia and etc
公司先後為義大利水泥、德國海德堡、法國拉法基等國際知名水泥公司,在義大利、法國、多米尼加、阿爾巴尼亞、摩洛哥、尚比亞、西班牙和沙烏地阿拉伯等國配套水泥項目。In cvd support method, carbon nanotubes were prepared with the supported fe catalyst on the regular mesoporous molecular sieve mcm - 41 by catalytic pyrolysis of c2h2. the author studied systematically the effect of different react conditions on the structure, property and thermal - stability of mcm - 41, and reached an optimum condition of prepared mcm - 41, whose mesoporous diameter was about 2. 9nm, with 0. 12 c16tmabr : 1teos : 0. 24naoh : 66. 7h2o under hydro - thermal condition
Cvd基體法制備碳納米管中,首先探索了不同反應條件對mcm - 41材料結構性能和熱穩定性的影響,優化工藝參數,結果發現水熱條件下反應物的摩爾配比為0 . 12c16tmabr : 1teos : 0 . 24naoh : 66 . 7h2o時制得的mcm - 41材料最適合用來作為催化劑基體材料,其孔徑大小為2 . 9nm左右。分享友人