鋇粒 的英文怎麼說
中文拼音 [bèilì]
鋇粒
英文
granellae-
Fourth, the electrorheoldgical fluids composed of pan / batio3 nanocomposite and chlorated paraffin oil are prepared and the relationship between dielectric performance and electrorheological effect are discussed. fifth, the advantage and disadvantage of electrorheological fluids composed of different structure pan - batio3 nanocomposite are compared, which put a favorable basis for farther design and prepare electrorheological fluid with high performance
研究結果表明：鈦酸鋇納米粉末在900處理時為最佳，隨熱處理溫度的升高，粒徑長大，而其介電常數隨著粒徑長大，逐漸降低，在相同條件下，隨溫度的升高，鈦酸鋇納米粉末的介電常數在120出現最大值。In this paper, high performance x - ray developing filament were fabricated from thermoplastic polyurethane ( tpu ) filled with inorganic particles of barium sulfate ( baso4 ) by melt spinning
本課題運用無機粒子硫酸鋇（ baso _ 4 ）填充改性熱塑性聚氨酯（ tpu ） ，採用熔融紡絲技術紡制高性能x射線攝影纖維。In 2005, 61 physical and chemical parameters were measured and analysed in sediments. these included particle size, electrochemical potential as highly anoxic sediment with negative potential is related to organic pollution, chemical oxygen demand which indicates organic pollutants, total sulphide inorganic constituents, source of the unpleasant - smelling gas hydrogen sulphide, 15 metals and metalloids aluminium, arsenic, barium, boron, cadmium, chromium, copper, iron, lead, manganese, mercury, nickel, silver, vanadium and zinc, and trace toxic organics pahs and pcbs - 16 compounds and 18 congeners respectively
2005年，沉積物監測包括分析61種物理及化學參數，其中有粒子大小電化學勢有機污染促使沉積物缺氧，而讓電化學勢呈負數值化學需氧量顯示有機污染程度總硫化物無機物，是造成難聞氣體硫化氫的主因15種金屬及準金屬鋁砷鋇硼鎘鉻銅鐵鉛錳汞鎳銀釩及鋅和痕量毒性有機物多環芳烴及多氯聯苯分別為16種復合物及18種同質物。At the existence of batio3, the pan / batio3 nanocomposite are prepared by in situ complex technology. the shape of complex is not regular and their mean size is in the range of 1 ~ 2 u m there are chemical bond between pan and batio3 in pan / batio3 nanocomposites, for the complex mechanism of pan with batio3 nanoparticles, first, there are complex between pan and batio3 nanoparticles. pan have the function of cohering batio3 nanoparticles
乃o3納米粒子的原位復合過程中，首先是an單體與batio3納米粒子相互作用，由於鈦酸鋇權于的存在，苯胺單體首先吸附在鈦酸鋇粒子表面，當過硫酸鉸加入溶液中時，聚合過程首先在這些氧化物的表面進行，這導致了聚合物對鈦酸鋇粒子的吸附及圍繞鈦酸鋇粒子的受限生長。Organic - inorganic nanocomposite, which are the complex of inorganic nanopraticles with organic compound, is a popular study subject in nanoscale composite. the nanocomposite can not only take advantage of several advantage, but also produce new properties. in this thesis, taking account of the problems in electrorheological fluids such as high leakage current, low yield stress and stability, the pan - batio3 nanocomposite with different structure are prepared by in - situ complex technology and modified sol - gel method
根據目前電流變液中出現的問題（如屈服應力不夠高，漏電流密度不夠低，穩定性不夠好等問題） ，基於聚苯胺有較高的熱穩定性，且密度又小，特別是聚苯胺的介電常數和電導率均可按需調整，此外，鈦酸鋇無機納米粒子作為一種無機鐵電體，在電場作用下具有自發極化的能力，一方面可以為體系提供高的介電常數，另一方面又可保證體系的絕緣性能。The dielectric property of the films were studied also. in order to improve their dielectric capacity, monolayer of ba ( ba ) 2 was deposited on the tio2 nanofilm by lb technique. the micromorphology and potential under various conditions were studied
通過在tio2納米顆粒薄膜基礎上引入一層山崳酸鋇，探索制備了batio3分子薄膜，利用spm研究了tio2和batio3薄膜的表面形貌和表面電勢特性。To measure the size of ba - ferrite fine magnetic particles, electromagnetic field was employed to drive the fine magnetic particles displace in order, then scanning electron microscope ( sem ) was used to observe and measure the size of ba - ferrite fine magnetic particles
為了迅速、準確地測定鋇鐵氧體磁粉顆粒的厚度、直徑和厚徑比的統計分佈，採用對磁顆粒施加外加電磁場的方法，使各個磁顆粒的易磁化軸方向趨於一致，並用掃描電子顯微鏡觀察鋇鐵氧體磁粉顆粒。In order to meet the requirement of nano - hexaferrites, hydrothermal method and sol - gel self - propagating high - temperature synthesis method were applied. by studying the effects of different precursors, ph value, temperature and time, the optimum conditions were determined, the structure of crystals was studied by x - diffract aat the same time the morphologic and the diameter of crystals were studied by tem
使用x一射線衍射鑒別晶體結構，通過透射電子顯微鏡觀察粒子的形貌與大小， x一射線衍射鑒別晶體是鋇鐵氧體，透射電子顯微鏡觀察粒子的形態與大小， ，發現粒子分散性較好，結晶性良好，形貌為六角型，通過統計計算粒子粒徑，粒子大小處于納米級，平均粒徑為70nm 。分享友人