過氯酸鈉 的英文怎麼說
中文拼音 [guòsuānnà]
過氯酸鈉
英文
sodium perchlorate-
Using refined cotton, chloroacetic acid, sodium hydroxide and hydrogen peroxide as main feedstock, sodium carboxymethyl cellulose was made by the process of basification, etherification, abstersion and drying
摘要以精製棉、氯乙酸、氫氧化鈉和過氧化氫為原料,經過堿化、醚化、洗滌、乾燥,制得羧甲基纖維素鈉。The experimental results showed that in the condition of this experiment four algaecides all had strong removing rate on algae, and their removing rate increased with dose increasing, and decreased with algae density increasing. according to the removing rate on algae and cost value or so, the sequence of four algaecides from good to bad were potassium permanganate, copper sulfate, hydrogen peroxide and sodium hypochlorite. in the condition of this experiment, the suitable dose of potassium permanganate was 0. 8mg / l, the algal removing rate was beyond 90 % and the cost of this algaecide was only 0. 0068 / m3. the efficiency of algae removal by four algaecides for huanghe river water was studied. the results showed that the majority of huanghe river water was bacillaroiphyta, and the dominant genera was melosira, which reached 78 % ~ 94 %
結果表明,在實驗條件下,四種殺藻劑均具有一定的殺藻效果,藻類去除率均隨藥劑投量的增加而提高;原水藻類數量影響殺藻劑殺藻效果,四種殺藻劑的藻類去除率均隨原水藻類數量的增加而降低;通過殺藻效果、經濟性以及安全性等方面的綜合比較,對于以有毒藍藻為優勢藻屬的引灤水,四種殺藻劑的優劣程度從優到劣排序為:高錳酸鉀硫酸銅過氧化氫次氯酸鈉;在實驗條件下,高錳酸鉀適宜投加量為0 . 8mg l ,藻類去除率高於90 ,所需的藥劑費用僅為0 . 0068元m ~ 3 。If you have ever smelled a liquid laundry bleach such as clorox, you havesmelled chorine, which escapes from the bleach in small amounts
如果你曾經嗅到過洗衣店進行漂白時從里邊飄出的味道(夾雜著次氯酸鈉的氣味) ,那末大部分歌舞團女演員的味道也和那差不多- - - - -只有很少一部分人是例外。The research emphasizes compare of techo - economy about second disinfection measure and point ultraviolet disinfection tank, automatic clean disinfection facility are more adaptive disinfection measures by compare of mechanism, effect, equipment, technical demand, management level about ultraviolet, chlorine dioxide, sodium hypochlorous, ozone, micro - electrolyze
著重研究二次消毒措施的技術經濟比較,通過對紫外線消毒、二氧化氯消毒、次氯酸鈉消毒、臭氧消毒、微電解消毒這幾種消毒方法消毒機理、效果、消毒設備、技術要求、管理水平等方面的比較,指出紫外線消毒水箱、自潔消毒器消毒是比較合適的消毒措施。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。As undiluted bleach liberates a toxic gas when exposed to sunlight, it should be stored in a cool and shaded place out of reach of children. sodium hypochlorite decomposes with time
由於次氯酸鈉會隨時間漸漸分解,因此宜選購生產日期較近的漂白水,及不應過量儲存,避免影響殺菌功能。Methods : hyperosmotic pressure animal model was established by administering 3 % sodium chloride as drinking water to rats or increasing osmotic pressure of the culture medium. osmoregulation positions in the brain, reciprocal projection pathways between the medullary visceral zone ( mvz ) and supraoptic nucleus ( son ) or hypothalamic paraventricular nucleus ( pvn ), oscillation of intracellular calcium in cultured neurons and astrocytes were studied by means of anti - fos, glial fibrillary acidic protein ( gfap ), tyrosine hydroxylase ( th ) or vasopressin ( vp ) multiple imrnunohistochemical staining, immuno - electronic microscope, wga - hrp retrogradely tracing and cell culture methods. results : ( 1 ) fos positive neurons within the mvz, parabrachial nuclei, locus ceruleus, pvn, son, subfomical organ increased markedly
方法:通過給予大鼠飲用3氯化鈉或提高培養基滲透壓濃度的方法復制高滲刺激模型,主要採用抗fos 、膠質原纖維酸性蛋白( gfap )和酪氨酸羥化酶( th ) (或加壓素? vp )免疫組織化學多重染色、免疫電鏡、 wga - hrp束路追蹤結合免疫組織化學多重染色、細胞培養等實驗方法,系統觀察了中樞參與滲透壓反射的調控部位、下丘腦視上核( son )神經元? ast超微結構的變化、延髓內臟帶( mvz )和son及下丘腦室旁核( pvn )之間往返投射通路和神經元的性質及其與ast的關系、培養神經元和ast內鈣波的變化。Yiyang city jiutong smelting company limited located in the beautiful upper of zijiang river majitang town, taojiang county, 207 national freeways, peach wye road and the side, after several generations of state - owned enterprises restructuring and long - learned person fighting, innovation, and has now become the 300 - plus employees, with an annual output of antimony trichloride, refined antimony, antimony sulfide, antimony chloride, sodium pyroantimonate antimony and other metal goods 6000 dayton of the company, under the led of chairman wendan, the employee of the company is in the light of " the quality first, the trustworthiness first " of aim, tenacious struggle, forge ahead, and constantly domestic and foreign traders and friends of various circles to provide satisfactory products and outstanding services
益陽市久通冶煉公司坐落在美麗的資江河畔上游桃江縣馬跡塘鎮, 207國道、桃懷公路從旁而過,經過國企改制和幾代久通人的拼搏、創新,現已成為擁有300多名員工,年產三氧化二銻、二號精銻、三硫化二銻、氯化銻、焦銻酸鈉等各種銻品6000噸金屬量的股份有限公司,在董事長溫丹帶領下,公司員工本著「質量第一,誠信第一」的宗旨,頑強拼搏,銳意進取,不斷為國內外客商及各界朋友提供滿意的產品和優秀的服務。The algae removing rate of four algaecides increased with dose increasing, and the sequence of four algaecides " removing rate on algae from high to low were potassium permanganate, sodium hypochlorite or copper sulfate and hydrogen peroxide. the suitable contact time of four algaecides was also given. the paper compared with the rate of algae removal by any one of three algaecides for two source water
結果表明,實驗期間,引黃水中藻類絕大多數為硅藻,優勢藻屬為硅藻門的直鏈藻屬,占藻類總數的78 94 ;四種殺藻劑的藻類去除率隨殺藻劑投加量的增加而提高,實驗條件下,四種殺藻劑的藻類去除率由大到小依次為:高錳酸鉀次氯酸鈉或硫酸銅過氧化氫。A series of near roundness cds nanoparticles with a particle diameter of 3 ~ 6nm have been prepared by controlling the concentration and proportion of reactants and adopting sodium hexametaphosphate as stabilizing agent. the studies demonstrate that these particles present obvious quantum size effect and an appropriate excess of cd2 + ion and hexametaphosphoric acid group polysnion are helpful to the dispersion and flame capability ' s improvement of particles. another series of near roundness monodisperse au nanoparticles with a diameter of 12. 3nm was prepared via sodium citric acid deoxidizing auric chloride acid
利用六偏磷酸鈉作為穩定劑,通過控制反應物的濃度及比例,制備了粒徑為3 6nm 、呈近似球形的cds納米顆粒,光譜測試結果表明,顆粒具有明顯的量子尺寸效應,適當過量的cd ~ ( 2 + )離子以及六偏磷酸根聚陰離子有助於顆粒的分散並提高其發光性能;採用檸檬酸鈉還原氯金酸,制備了接近球形、平均粒徑約為12 . 3nm的單分散體系au納米顆粒;採用wessling的前驅聚合物法獲得導電聚合物ppv前驅體。In the preparation of cell material for staining, the dissolving away of cell contents so that the distribution of tissues may be better observed, using reagents such as sodium hypochlorite
2洗滌:在細胞等生物材料染色的過程中,把細胞的內容物溶去的過程。目的是更好的觀察組織的分佈情況,使用的試劑有次氯酸鈉。Dams were anesthetized with one of the following drugs or drug combinations : ( 1 ) sodium pentobarbital ; ( 2 ) ketamine hydrochloride and xylazine ; or ( 3 ) sodium pentobarbital and ketamine hydrochloride
通過下列一種或多種藥物對孕鼠進行麻醉: ( 1 )戊巴比妥鈉; ( 2 )鹽酸氯胺酮和甲苯噻嗪; ( 3 )戊巴比妥鈉和鹽酸氯胺酮。Test method for hydrolyzable chloride in peroxy esters and peroxy discarbonates x - 15 - 356 92 - 03 item 14
過氧化酯和過碳酸氫鈉可水解氯測試方法Surface modified au nanoparticles have been synthesized based on the reduction of hydrogen tetrachloroaurate ( haucl4 ) by sodium borohydride ( nabh ^ in methanol
通過硼氫化鈉nabh _ 4還原氫金氯四haucl _ 4 ,成功地製作了羧酸酯表面修飾的金納米粒子。The amount of hydroxyacetic acid, equal to that of sodium chloride, produced from chloroacetice acid hydrolysis is determined by adopting moore method and there fore the ratio of transformation of chloroacetice acid hydrolyzed can be calculated
摘要氯乙酸水解生產羥基乙酸的工藝過程中產生等物質量的氯化鈉,採用莫爾法測定氯乙酸水解的產物氯化鈉,並計算氯乙酸的水解轉化率,從而選擇和控制水解反應的條件。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。The improved determination method to determine the nacl of the heavy alkali of less salt is described in the paper, its accuracy and feasibility are verified by test, and the improved method can get good results
摘要文章針對純堿企業低鹽重堿分析中氯化鈉含量難以準確測定這一難題,提出了加大稱樣量、加熱除氨、硝酸中和除二氧化碳的改進方法,並通過實驗對改進方法的可行性和準確性進行了驗證,取得了滿意的效果。On the basis of electroplating and immersion plating tin, and through large numbers of experiments, a new process of electroless plating tin in acid chloride bath solutions including sncl2 2h2o, nah2po2 h2o, special complexing agent, additive agent, stabilizing agent and antioxidant, was established. continuous self - catalyzed deposition of tin on copper substrate was achieved successfully, and half - bright and silvery - white tin deposits with excellent properties were obtained
本文是在電鍍錫、浸鍍錫工藝配方的基礎上,通過大量的試驗,確立了一種以氯化亞錫、次亞磷酸鈉和特定的絡合劑、添加劑、穩定劑,抗氧化劑為基本鍍液組成的酸性氯化物化學鍍錫體系,成功地在銅上實現了錫的連續自催化沉積,獲得了性能優異的半光亮銀白色錫鍍層。Pavlova viridis, isochrysis zhanjiangensis and isochrysis galbana 3011 were cryopreserved in liquid nitrogen using encapsulation - dehydration. algal cells in early stationary phase were encapsulated in 3 % ca - alginate beads with 30 nacl, 2 million cells in one bead. beads were desiccated with silica gel then directly immersed in liquid nitrogen. the cell viability after warming was evaluated by chlorophyll content. the main factors influencing the cell viability, such as water content of beads, dehydration rate, dehydration procedure, preculture and recovery methods after thawing were studied. the results are as follows : 1
本文以綠色巴夫藻( pavlovaviridis ) 、湛江等鞭金藻( isochrysiszhanjiangensis )和球等鞭金藻( isochrysisgalbana3011 )等三種餌料金藻為試驗材料,用包埋脫水法進行冰凍保存。選擇靜止初期的藻細胞包埋在含有30氯化鈉的3 %的褐藻酸鈣膠球中,細胞負載約200萬個細胞/膠球,經過硅膠吸濕法脫水后,探討了膠球含水量、脫水速率、脫水程序、預培養以及化凍后恢復方法對冰凍保存存活率的影響。分享友人