試劑氣體 的英文怎麼說
中文拼音 [shìjìqìtǐ]
試劑氣體
英文
reagent gas-
The research status of the world diesel exhaust aftertreatment technology is summarized systemicallyo at the same time, the development status and problems about oxygenation catalysis converter and particulate filter are analyzed on the basis of mentioned informations, we bring up a diesel exhaust cleanse system, that adopts the technique course of catalysis conversion combining particulate collection and regeneration the system collects exhaust particulate by means of efficacious filtering material it can oxidize ho co and macromolecule solvable organic via catalyst and diesel oil additive enhanced temperature will partly oxidize collected particulate and ultimately achieve the aim of exhaust reduction, after processing system frame design and trial matching, it ' s detected that the system can surely cleanse gas exhaust and particulate in addition, gas - ejected combustion - supporting regeneration for diesel particulate filter is also researched, we have rudimentarily designed the software and hardware of the g as - ejected combustion - supporting system having processed a series of trials, we discover the rules of the system credibly working these rules demonstrate the right direction for researching gas - ejected combustion - supporting regeneration technology
本文系統地介紹了國內外柴油機排氣后處理技術的研究現狀，分析了氧化催化轉化器和微粒捕集器的發展現狀及存在的問題，以此為基礎，提出了一種柴油機排氣凈化系統，該系統採用催化轉化與微粒捕集及再生相結合的技術路線，通過過濾材料的有效過濾，將排氣中的微粒進行收集，藉助于催化劑和柴油添加劑使排氣中hc 、 co及高分子可溶性有機物氧化，產生的高溫使得收集到的微粒部分氧化，從而達到降低排放的效果。通過系統結構設計和試驗匹配，實現了對氣體排放物和微粒的凈化。同時，論文中還進行了柴油機微粒捕集器噴氣助燃再生的研究，初步設計了噴氣助燃系統，進行了控制系統軟、硬體的開發，通過正交試驗，摸索出了噴氣助燃系統可靠工作的一般規律，為噴氣助燃再生技術的開發提供了方向。Standard test method for acetone, p - chlorobenzotrifluoride, methyl acetate or t - butyl acetate content of solventborne and waterborne paints, coatings, resins, and raw materials by direct injection into a gas chromatograph
通過直接注入一氣體色譜儀測定含溶劑和含水塗料塗層樹脂和原材料中丙酮及甲基和丁基醋酸鹽含量的標準試驗方法Standard test method for determining whether gas - leak - detector fluid solutions can cause stress corrosion cracking of brass alloys
測定氣漏檢測器液體溶劑是否能引起黃銅合金應力腐蝕斷裂的標準試驗方法Phosphorus pentoxide is usual material and reagent in chemical industry, this product is widely used in the industries of medicine, coating auxiliaries, printing and dyeing auxiliaries, anti static additive, titanate coupling agent, phosphorus oxychloride, chemical. mainly used in producing high purity phosphoric acid, used as desiccant of gas and liquid, dehydrant of organic synthesis
五氧化二磷是化學工業中常見的原料和試劑，本品廣泛用於醫藥，塗料，印染，化工等行業，主要用於製造高純度磷酸，用作氣體和液體乾燥劑，有機合成的脫水劑，以及有機磷酸酯的制備。Standard test method for measuring liquid and solid material fire limits in gaseous oxidants
測量氣體氧化劑中液體和固體材料著火極限的標準試驗方法The degrees of crystallinity of pure ptfe under the different conditions of water cooling, air cooling and furnace - varying cooling were made comparison by xrd. the thermal stability of pure ptfe and solid lubricant was analyzed by dsc - tg ; the composition and valence state of elements in the surface of carbon fiber, solid lubricant before and after friction test and lubricant transfer film were characterized by xps ; the frictional property of solid lubricant was tested by pin and disk test rig. the frictional wear property of solid lubricant between embedded bearing sleeve and steel axle friction pair ring was tested by special simulate test machine, the hardness of solid lubricant was tested by pm ; the compression strength of solid lubricant was tested by material test machine
用sem表徵原料微觀結構、摩擦表面及潤滑轉移膜表面形貌：用xrd進行原料物相分析，及比較水冷卻、空氣冷卻、隨爐冷卻三種工藝條件下的純聚四氟乙烯樹脂的結晶度；用dsc - tg分析純聚四氟乙烯樹脂及固體潤滑劑的熱穩定性；用xps表徵碳纖維表面、固體潤滑劑摩擦前後表面、潤滑轉移膜表面的元素組成、價態變化；用銷盤式摩擦磨損試驗機對固體潤滑劑進行摩擦性能測試；採用專用的臺架模擬試驗機對固體潤滑劑鑲嵌軸承套與鋼軸摩擦副間的摩擦磨損性能進行測定；用萊次偏光顯微鏡（ pm ）測試固體潤滑劑的硬度；用材料試驗機測試固體潤滑劑的抗壓強度等。The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film
試驗結果表明：所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求；聚四氟乙烯樹脂熱分解溫度超過400 ，但在ptfe中加入無機填料會使復合材料吸水率提高，熔融溫度及分解溫度降低，且伴有氧化分解反應；碳纖維表面含有c = o及c - o - c等極性基團，有利於提高其與其它組分的相容性，提高層間剪切強度；均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系，擬合曲線基本能表示各配方的摩擦系數發展趨勢；配方中不加銅粉或不加石墨，其摩擦系數均較高，說明銅粉和石墨應該配合使用；當銅粉15份、石墨60份時，銅粉30份、石墨30 - 40份時，銅粉60 、石墨15 - 30份時，摩擦系數均具有較低值；純聚四氟乙烯樹脂在空氣冷卻時結晶度最大，磨損量也是三者中最大的；同時，固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的：不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副，在金屬表面均可形成潤滑轉移膜，從而減少金屬摩擦副表面間的直接接觸，大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。However, this dissertation mainly focuses on diesel catalyst aging mechanism including heat deterioration and performance degradation caused by toxic substance. following the above conclusions, a fast aging test cycle is produced which consists of three stages
論文的主體分析了柴油機氧化催化劑的老化機理，主要是熱失活和化學中毒老化，研究了我國主要幾種柴油機的排氣溫度特性，並在催化劑老化機理基礎上提出車用柴油機氧化催化器快速老化試驗循環，即三段式老化循環。Supply of concentrate haemodialysis solution with bicarbonate powder buffer to the hospital authority and the department of health as a 24 - month contract from date of acceptance design, supply, delivery, installation, commissioning, maintenance of hardware, software and related services for the implementation of the automated tag and information display system for the immigration department on or before december 2006 supply of 320 000 kg. of polyelectrolyte type ii to the drainage services department as a 36 - month contract from date of acceptance provision of dental laboratory work for the department of health as a 24 - month contract from date of acceptance supply, installation and commissioning of a ground reception system for meteorological data from multi - functional transport satellite for the hong kong observatory from date of acceptance to fulfillment of contractual obligations supply and installation of 1 set of automated dna sequencing system to the department of health from date of acceptance to fulfillment of contractual obligations
承投為醫院管理局和?生署供應高濃度血液滲析液連炭酸氫鹽緩沖粉劑，合約由發出接納書日期開始，為期24個月為入境事務處於2006年12月或之前推行自動化籌號及資訊顯示系統供應硬體和軟體，包括設計、送貨、安裝、試機、保養及有關服務為渠務署供應320000公斤高分子電解質（第ii類） ，合約由發出接納書日期開始，為期36個月為?生署提供牙科製品服務，合約由發出接納書日期開始，為期24個月為香港天文臺供應一套多用途輸送衛星氣象數據地面接收系統，包括安裝及試機服務，由發出接納書當日至履行合約訂明的責任為止為?生署供應和安裝一套核酸序列自動測定系統，由發出接納書當日至履行合約訂明的責任為止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。Using lithium bromide aqueous solution as liquid desiccant, adopting the total heat transfer rate and enthalpy efficiency to describe the combined heat and mass transfer performance and the moisture removal rate and regenerative efficiency to describe the mass transfer performance of the regenerator, explores the effect of air and desiccant inlet parameters on the regenerator performance by experiment, and compares the result obtained with those of other counter - flow configurations previously published
以溴化鋰溶液為除濕劑，採用總換熱量、全熱效率描述再生器的熱質交換總體效果，採用再生量、再生效率描述傳質效果，實驗測試了溶液和空氣的進口參數對再生器性能的影響，並與逆流再生器的實驗結果進行了比較。1 this system is used for the chemical laboratory and its functions to remove harmful vapors from the exhausted air by means of water or specified reagent dilution
化學實驗室排氣系統需要有空氣凈化塔，通過水和特殊試劑對排氣中有害氣體進行洗滌。Petroleum chemical companies, and r d labs in various industries. our main business scope including : design and construction for new lab, alteration and upgrade of outmoded lab, update and development for lab in existence, production and installation for lab furniture system, design and construction for lab high - purity gas pipeline, design and construction for lab aeration system, laboratory exhaust gas waste residue treatment, laboratory wear material, chemic reagents, laboratory analytic apparatus, and lims laboratory information management system etc.
上海傲仕實業發展有限公司是一家專業從事實驗室系統工程的公司，多年來，我們一直致力於國內外科研單位大專院校醫藥石油化工電子等行業的實驗室建設公司涉及的主要業務范圍包括：新建實驗室的設計與施工陳舊實驗室的改造與升級現有實驗室的更新與拓展實驗室傢具系統的生產與安裝實驗室高純氣體管路的設計與施工實驗室通風系統的設計與施工實驗室廢氣廢液的處理實驗室耗材化學試劑實驗室儀器及實驗室信息管理系統lims等，公司擁有中高級工程師專家技術顧問設計師28名及專業的施工隊伍，從咨詢設計到施工為客戶提供一套完善的售前售後一站式服務體系，解決實驗室設計和施工當中因不同專業的而涉及到的各種問題Catalysts were prepared by impregnation reduction, thermal reduction, advanced thermal reduction and sol - gel methods from these metals. electrochemistry measurements, xrd, tem were used to test these catalysts. the results showed that these metals have some electrocatalysis activities towards hydrogen oxidation reaction
本文選擇了w 、 mo 、 co等金屬，採用浸漬還原法、熱還原法、改進的熱還原法以及溶膠凝膠法分別制備了這幾種金屬的碳載催化劑，對制備出的非貴金屬催化劑進行了電化學測試、 x -射線衍射（ x - raydiffraction ， xrd ） 、透射電子顯微鏡（ transmissionelectronmicroscopy ， tem ）等測試，研究結果表明:這些非貴金屬在硫酸體系中對氫氣的氧化反應均有一定的催化活性。Standard test method for purity of monomeric plasticizers by gas chromatography
用氣相色譜法分析增塑劑單體純凈度的標準試驗方法Standard test method for solvents analysis in hazardous waste using gas chromatography
用氣體色譜法進行危驗廢料溶劑分析的標準試驗方法Workplace atmospheres - pumps for the sampling of chemical agents with a volume flow rate of over 51 min - requirements and test methods
工作場所空氣.體積流速大於51 min的化學試劑取樣用泵.要求和試驗方法Workplace atmospheres - pumps for the sampling of chemical agents with a volume flow rate of over 5 l min - requirements and test methods
工作場所空氣.體積流速大於5公升分的化學試劑取樣用動力泵.要求和試驗方法Fixed firefighting systems - components for gas extinguishing systems - part 16 : requirements and test methods for odorizing devices for co2 low pressure systems
固定式消防系統.氣體滅火系統用元件.第16部分: co2低壓系統用加嗅劑設備的要求和試驗方法Standard test method for determination of organochlorine pesticides in water by capillary column gas chromatography
用毛細管柱氣體色譜法測定水中有機氯殺蟲劑含量的標準試驗方法分享友人