助沉劑 的英文怎麼說
中文拼音 [zhùchénjì]
助沉劑
英文
settling aid-
In this thesis, in order to reducing the amount of the pt catalyst, improving the electrocatalytic activity of the pt catalysts and utilization ratio of pt, the electrochemical codeposition method by cyclic voltammetry ( cv ) was used to prepare a series pt / moox / glassy carbon ( gc ) composite electrodes with high dispersibility. the composite electrode, pt / moox / gc, was characterized to study its composition and its electro chemical behavior by cv. using the xrd and sem techniques, the size and the dispersion degree of the catalyst particles were studied in presence or absence of moox in the catalyst
為了降低主催化劑pt的用量、提高pt的活性和利用率，本論文利用循環伏安法共沉積制備高分散的pt moo _ x催化劑顆粒，利用循環伏安電化學表徵、 xrd和sem技術研究了引入moo _ x后的催化劑即pt moo _ x顆粒的粒子大小、分散狀態；利用icp - aes定量分析pt moo _ x催化劑顆粒的組成含量；並藉助于電化學方法分別評價了pt moo _ x gc電極催化劑的對甲醇的電催化活性和穩定性、氧還原電催化活性。In view of the design, manufacture, application and development of the filtering equipment for mineral processing in china, the research achievements and advances in vacuum filter, single - chamber folding belt vacuum filter, horizontal belt filter ， disk filter, frame and box pressure filter, belt filter, continuous air pressure filter, settling - filtering centrifugal dewaterer and filtering mediums and aids are summarized and some opinions are given
針對我國選礦過濾設備的設計製造、應用和發展的情況，總結了真空過濾機、無格及折帶真空過濾機、水平帶式真空過濾機、圓盤真空過濾機、板框及廂式壓濾機、帶式壓濾機、氣壓式連續壓濾機、沉降過濾離心脫水機以及過濾介質、助濾劑等方面的設備及過濾技術研究成就與進展，並提出了看法。H silica - coated middle chrome yellow is prepared by the precipiation of chromate salt with lead nitrate solutions with special surface treatment of silica, aluminum and other additives
中鉻黃是由鉻酸鹽和硝酸鉛相互沉澱，再經過硅、鋁等助劑特殊處理所得的耐熱性特佳的中黃色粉末。Economical and practical organobentonite thickening rheological auxiliary agent have advantages of good thickening, settleability resisted, diversity resisted, anti thixortopy and colloid stability. it is widely use in the business lines of oil paint, printing ink, oil - base filler and gasked cement. quality target
經濟實用型有機膨潤土增稠流變助劑具有良好的增稠性防沉降性分散性觸變性和膠體穩定性廣泛應用於油漆油墨油性膩子及密封膠等行業。The properties of cn thin films such as their morphology, component, crystal structure and the bonding structure and the relation between those properties and the gas - phase reaction parameters were discussed, showing that the deposition of p - c3n4 thin film is the compete result of various reaction processes in the dynamics balance conditions ; the process of cn films depo sition is diagnosed in situ through the optical emission spectra technique, the effects of experimental parameters on the concentration of the precursors and the gas - phase reactions in the plasma have been obtained ; the main reaction precursors for film deposition identified ; the relation between the characteristics of cn thin films and the reaction process in the plasma is analyzed. the cn thin films deposition under different substrate temperatures in high pressure pe - pld shows that the si atom of the substrate has participated the cn films growth process, based on this the growth mode of cn thin films on the si substrate is proposed. the further experiment of cn thin films deposition on si substrate scratched by diamond as well as covered with fe catalyzer has been attempted, which indicates that changing the dynamics conditions of the surface reaction can alter the growth characteristic of the cn thin films and can enhance obviously the films growth rate
採用pld技術進行了碳氮化合物薄膜沉積，得到了含氮量為21at的cn薄膜；研究了襯底溫度和反應氣體壓強對薄膜結構特性的影響，給出了cn薄膜中n含量較小、 sp ~ 3鍵合結構成分較少和薄膜中僅含有局域cn晶體的原因；引入脈沖輝光放電等離子體增強pld的氣相反應，給出了提高薄膜晶態sp ~ 3鍵合結構成分和薄膜的含n量可行性途徑；應用pe - cvd技術以ch _ 4 + n _ 2為反應氣體並引入輔助氣體h _ 2 ，得到了含n量為56at的晶態cn薄膜；探討了cn薄膜形貌、成分、晶體結構、價鍵狀態等特性及其與氣體壓強和放電電流的關系，證明了- c _ 3n _ 4薄膜沉積為滿足動力學平衡條件的各種反應過程的競爭結果；採用光學發射譜技術對cn薄膜生長過程進行了實時診斷，得到了實驗參量對等離子體中活性粒子相對濃度和氣相反應過程的影響規律，給出了cn薄膜沉積的主要反應前驅物，揭示了cn薄膜特性和等離子體內反應過程之間的聯系；採用高氣壓pe - pld技術研究了不同襯底溫度條件下cn化合物薄膜的結構特性，揭示了si原子對薄膜生長過程的影響，給出了si基表面碳氮薄膜的生長模式；在金剛石研磨和催化劑fe處理的si襯底上進行cn薄膜沉積，證明了通過控制材料表面動力學條件可以改變碳氮薄膜結構特性，並可顯著提高晶態碳氮材料的生長速率。Two percent of hpmc appeared to be a satisfying suspending agent by evaluating the sedimentation rate and the redispersion of nabumetone
通過對其沉降體積比、再分散性指標的考察，篩選了2 % hpmc助懸劑，並從流變學、混懸劑黏度及顯微形態等方面對其穩定性進行了研究。分享友人