氯化氫中和 的英文怎麼說
中文拼音 [huàqīngzhōnghé]
氯化氫中和
英文
hydrogen chloride neutralization-
Analysis f k and na in nepheline were curried out with higher precision and repeatability by means of adding fluohydric acid during sample melting to remove sio2, adjusting the ratio of k and na in the solution to reduce the mutual interference of the two elements, and adding cesium chloride to eliminate ionization interference
摘要本方法用於測定霞石中的鉀、鈉,主要通過在溶樣時加入氫氟酸除去二氧化矽,調整溶液中鉀、鈉的含量,消除互相之間的干擾,加入氯化銫消除電離因素的干擾,提高了分析結果的準確性和重現性,使測定結果更接近化學分析值。Analysis of k and na in nepheline were curried out with higher precision and repeatability by means of adding fluohydric acid during sample melting to remove sio2, adjusting the ratio of k and na in the solution to reduce the mutual interference of the two elements, and adding cesium chloride to eliminate ionization interference
摘要本方法用於測定霞石中的鉀、鈉,主要通過在溶樣時加入氫氟酸除去二氧化矽,調整溶液中鉀、鈉的含量,消除互相之間的干擾,加入氯化銫消除電離因素的干擾,提高了分析結果的準確性和重現性,使測定結果更接近化學分析值。In view of the defects of low success, high danger, pollution derived from gas escaping in the explosion experiment of hydrogen and chlorine, an environment - protecting and successful process is designed through theoretic analyses and tries
摘要針對中學化學氫氯混合氣光照爆鳴實驗存在的成功率低、危險性大、易外逸而引起污染等不足,通過理論分析和實驗探討,找出了影響實驗成功的因素,設計了既環保又保證實驗成功的方法。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。The main property changes occurring during dehydrochlorination are: hydrogen chloride evolution, coloration, and embrittlement.
脫氯化氫降解過程中的主要性能變化是:釋出氯化氫,變色和變脆。Abstract : this paper describes a new preparation technique of calcium iodate. at the presence of hydrochloric acid, iodine is oxidated by sodium chlorate, and then reacts with calium hydroxide. a series of constrasted experiments are made on the conditions and different techniqures. relatively high productivity and purity at low cost. easy controllability and operation are the main features of this kind of technique
文摘:介紹了以單質碘為原料,在鹽酸存在下,經氯酸鈉氧化,再與氫氧化鈣進行中和反應制備碘酸鈣的方法,並做了最佳工藝條件和不同方法的對比實驗.本法具有收率較高、純度較高、生產成本較低及反應條件易控制、設備簡單、操作方便等特點The research team of prof chan hsiao chang, director of the epithelial cell biology research centre, in collaboration with zhejiang academy of medical sciences, demonstrated that cystic fibrosis transmembrane conductance regulator cftr is involved in transporting bicarbonate into sperm, and thus, is vital to sperm fertilizing capacity and male fertility. cftr is an anion channel, mutations of which cause cystic fibrosis, a disease characterized by defective cl - and hco3 - transport with clinical manifestations in a number of organ systems
由陳小章教授領導的香港中文大學上皮細胞生物學研究中心的研究人員,與浙江醫學科學院合作,證實囊性纖維化跨膜電導調節器( cftr )負責輸送碳酸氫根進入精子,對精子授精能力及男性生育能力非常重要; cftr是一個陰離子通道,其基因突變會導致囊性纖維化,因為氯離子和碳酸氫根( hco3 - )分泌缺陷,引發一系列器官病徵。The authour investigate the dosing conditions and effect of the pac to the huanghe water - source, which includes the following four parts : the selection of the pac ; the confirmation of dosing scheme and effect of the pac ; the research of application of potassium permanganate in combination with pac ; the research of the pac ' s modification and the modified effectiveness. the experiment is mainly carried out on the pilot system in the jieyuan water plan of tianjin. the results of the reseach include the following : l ) the pac from zunhua plant is selected as the better carbon for the source water of tianjin through the experiment ; 2 ) through the pilot experiment we conclude that the pac ' s best adding point is the mixing tank and the better dose is 10mg / l, on which the codmn of filtered water can be decreased to 40 % and the effluent have no problem of odour and color ; 3the adsorbing experiment show that pac mainly adsorb the organic matters which molecular wt., distribution between 500 and 3000, and can adsorb organic matters whose molecular wt., distribution are bigger than 6000 if the dose of it is adequent ; 4 ) pac together with potassium permanganate can remove the organic matter more effectively than each of them alone, and reduce the rising trend of turbidity of the flotation ' s effluent due to adding pac ; 5 ) the thesis made a research on the surface properties and the adsorbing capability of the modified carbon by oxidizer : the modified carbon with 20 % h2o2 can remove more organic pollutants than the untreated one by 12 % when we add a higher dose of coagulant ; 6 ) the modification of reduction and loading metal ions are also sttldied, and drow the following conclusions : the modified carbon with 5 % ammonia can enhance the organic matter ' s removal effectiveness by 10 % to the tianjin source water than the untreated one, and the modified one with loading metal ion remove the organic matters from the tianjin source water better ( 8 % ) than the untreated one due to the strong affinity betwween the humic acid and copper ion
本文的實驗主要是在天津芥園水廠的中試系統上完成的,論文的成果和結論主要包括: 1 )通過靜態實驗選定河北遵化活性炭廠生產的煤質炭為適合天津原水的炭種; 2 )中試實驗確定粉末活性炭的較佳投加點為混合池投加,較佳投加量為10mg l ,此時可使濾后水的cod _ ( mn )降低40 ,且可較好地控制濾后水的嗅味和色度; 3 )初步確定粉末活性炭對原水中有機物的吸附主要集中在分子量在500 - 3000范圍內,投量增大時可吸附部分分子量大於6000的有機物4 )中試實驗表明:粉末活性炭與高錳酸鉀聯用可取得較兩者單獨應用時對有機物更好的去除效果,且對因投加粉末活性炭而造成的氣浮出水濁度升高有一定的改善作用; 5 )研究並初步確定氧化改性對粉末活性炭表面性質和有機物的去除效果的影響:粉末活性炭的氧化改性會使其表面的酸性官能團大量增強,表面極性增加;經20的過氧化氫改性的活性炭在增大混凝劑投加量( fecl _ 3投量為15mg l )時對有機物的總體去除效果較原活性炭提高12 , 1次氯酸鈉改性活性炭對有機物的去除效果較原活性炭提高6 ; 6 )研究並初步確定還原改性、負載金屬離子對原水中有機物的去除效果的影響:經5氨水改性的活性炭可提高天津源水中有機物的去除率達到10 ;負載銅離子后的活性炭可提高對腐殖酸類物質的去除能力,一般可提高8左右。Plastics - determination of the tendency of compounds and products based on vinyl chloride homopolymers and copolymers to evolve hydrogen chloride and any other acidic products at elevated temperatures - ph method
塑料.化合物和氯乙烯共聚物均聚物在高溫中分解出氯化氫和其他酸性物的趨勢測定. ph值法Preparation methods for au catalysts, such as deposition - precipitation, sol - gel and polymers - protection methods, were described, as well as their application in hydrodechlorination and hydrodesulfurization
重點論述了沉積沉澱法、溶膠凝膠法和聚合物保護法等催化劑的制備方法以及在加氫脫氯、加氫脫硫等領域中的應用,並對金催化劑的進一步研究提出看法。Evaluating intergranular corrosion resistance of heat treatable aluminum alloys by immersion in sodium chloride hydrogen peroxide solution
將鋁合金浸入氯化鈉和過氧化氫溶液中進行熱處理時抗晶粒間腐蝕的評定In view of process technology of potassium sulfate by neutralizing potassium hydrogen sulfate with ammonia, the effects of mole ratio of potassium chloride to sulfuric acid, reaction temperature and reaction time on preparation of middle product potassium hydrogen sulfate have been studied in aqueous solution
針對硫酸氫鉀用氨中和制備硫酸鉀的生產工藝,研究了水溶液中氯化鉀和硫酸反應的原料配比、反應溫度、反應時間等因素對制得的中間產品硫酸氫鉀影響。The corrosion resistance characters of electroless plating fe - zn in 10 % naoh solution and 3. 5 % nacl solution were also studied. the results indicate that the deposits had better corrosion resistance character than other iron based deposits
研究了fe - zn鍍層在10的氫氧化鈉和3 . 5的氯化鈉溶液中的耐腐蝕性能,結果表明,化學鍍fe - zn鍍層的耐腐蝕性能比其他fe基化學鍍層的耐腐蝕性要好。分享友人