碳化砂 的英文怎麼說

中文拼音 [tànhuàshā]
碳化砂 英文
carbonized sand
  • 碳 : 名詞[化學] （非金屬元素） carbon （c）
  • 砂 : 名詞（沙子） sand; grit
  1. The results indicate that : 1. the main physical and chemical characteristics vary regularly : with rising of the altitude, there is a transition from silt > sand > clay to sand > silt > clay in the mechanical composition ; the argic horizon emerges below the altitude of 1600 meters ; the content of organic matter is enrichment, the content of organic carbon of epipedon is higher than 20 g / kg, while the content of organic carbon increases with increasing of altitude, and in the altitude of 3500 - 3700meters, the soils under the meadow have the maximum content organic carbon ; the soils appear acid - slightly acid reaction, the ph decreases appreciably and acid strengthen with increasing of altitude ; the soils higher than the altitude of 2500 meters are base unsaturated, indicating the soil leaching is strong, the ph and bs are distinct plus correlated ; the contents of sio2, al2o3, and fe2o3 of the soil body and clay are all relatively stabilization ; in the soil body, the content of sio2 is much high and cao is very little, the total contents of sio2, a12o3 and fe2o3 occupy 92 % of the mineral parts, the sequence of mineral elements is : sio2 > al2o3 > fe2o3 > k2o > mgo > cao > tio2 > mno

    研究結果表明： 1太白山南坡土壤的主要理化性質隨海拔高度的上升呈有規律的變化：隨海拔高度上升，機械組成由粉粒砂粒粘粒逐漸過渡到砂粒粉粒粘粒，海拔1600m以下出現粘化層；土壤有機質豐富，表層有機碳含量一般在20g kg以上，有機碳含量隨海拔高度升高而相應增加，海拔3500 3700m的灌叢草甸植被下有機碳含量最高；土壤呈酸性或微酸性，並隨海拔上升， ph值略微降低，酸性增強，海拔2700m以上的土壤多呈鹽基不飽和狀態，表明土壤淋溶作用較強， ph值和鹽基飽和度呈極顯著正相關；土體與粘粒中的sio _ 2 、 al _ 2o _ 3 、 fe _ 2o _ 3含量相對比較穩定，土體中sio _ 2含量較高， cao含量較少， sio _ 2 、 al _ 2o _ 3和fe _ 2o _ 3含量之和約占土壤礦質部分的92 ，礦質元素含量的順序依次為： sio _ 2 al _ 2o _ 3 fe _ 2o _ 3 k _ 2o mgo cao tio _ 2 mno 。
  2. The determination of silicon carbide in carborundum

    金剛砂中碳化硅的測定
  3. The results indicated that low graphite spheroidization rate and free cementite were the main causes of poor mechanical property

    試驗結果表明，控制碳當量和球化劑加入量，採用瞬時孕育等可提高球化率；採用預熱砂型等可減少滲碳體。
  4. The effort of manganese removal was studied and the kinetics of manganese removal was tried to establish. the factors of dissolved oxygen concentration, fe2 + concentration, ph, p concentration and closing of the filter were studied to evaluate their effort for biological manganese removal, and the correlation of residual manganese and oxidation - reduction potential was also discussed. as the iron content of water was high, experiment results showed that the reaction was zero order, as the iron content of water was low, the reaction was first order. the time needed for the cultivation of biological manganese removal was 60 70 days. the filter operated at the filtration rate of 8 10m / h, silica sand of effective size 0. 95 1. 25mm filled the filter to a depth of 1200mm

    試驗結果表明，成熟后濾砂表面濾膜的x射線衍射圖譜與mno _ x ? 5h _ 2o （ x = 1 . 86 ）的x射線衍射圖譜一樣，濾膜成熟后的結構在進水物質不發生變化的情況下不發生變化;合適的碳磷比對生物除錳有明顯的促進作用，試驗條件下的投磷量不會對出水造成二次污染;生物除錳需要亞鐵的參與，亞鐵的存在除了能夠促進微生物分泌胞外酶並刺激其活性外，還通過鐵離子的變價傳遞電子，催化錳離子的氧化反應，從而促進對二價錳的降解。
  5. For collecting sand blasting powder, molding powder, mineral stone powder, plastic pigment powder, medicine powder, cosmetic powder, bakelite powder, wood dust, brass powder, ceramic powder, melamine powder, shoe - sole powder, brake lining powder, clutch powder as well as dust produced from grinding chopsticks and metallic articles

    噴砂粉、翻砂粉、礦石粉、水泥粉、碳酸鈣粉、塑膠顏料粉、制藥粉、化妝品粉、電木粉、木器粉、銅鋼器粉、陶器粉、美耐皿粉、鞋底粉、煞車來令粉、離合器粉、筷子、金屬研磨等、收塵、集塵用。
  6. The quality of furan sand castings is usually better than clay sand castings, however, some defects are also very easy take place with furan sand castings such as blow hole, metal penetration, veining, cracking, slag inclusion, hardness too low, surface recarburation, surface sulphuration, nodularity degeneration etc, which were usually caused by improper raw materials selection, improper method design, incorrect moulding or / and core - making

    摘要呋喃樹脂砂鑄件質量一般比黏土砂鑄件好，但如果原材料選擇、工藝設計、造型和制芯操作不當，也會產生氣孔、粘砂、脈紋、裂紋，夾渣、硬度不足、滲碳、滲硫和球化不良等鑄造缺陷。
  7. The surface finish for the castings we can provide with are sa the following ; backing. zinc plating. chrome plating and nickel plating for the carbon steel and the low alloy steel castings ; tumbling. hand dull polishing. mirror polishing, electrolytic polishing and passivation treatment for the stainless steel castings and sandblasting. including glass bead blasting. corundum - sand blasting and quartz - sand blasting for all the steel castings

    我公司有能力對鑄件表面作如下精整處理，對于碳鋼和低合金鋼，可以作發黑、鍍鋅，鍍鉻，鍍鎳處理，對于不銹鋼，可作研磨，手工拉絲拋光及鏡面拋光，電拋光，純化處理，所有鋼種可作噴砂（玻璃砂，鋼玉砂，石英砂）處理。
  8. The results show that the damages to the appearance of concrete structures exposed to atmosphere, including honeycombing, cracking along rebar, rebar corrosion, and concrete delamination, are quite serious, that the poor quality of concrete construction, the insufficient thickness of local concrete cover, and the rebar corrosion expansion and dilatancy induced by carbonization of concrete cover are the main causes, and that the main form of damages to the overflow structure is the abrasion resulted from water scouring

    結果表明，水閘的水上（大氣中）混凝土結構外觀破損十分明顯，露石露砂、順筋裂縫、鋼筋銹蝕、混凝土破損剝落等已十分嚴重；引起破壞的主要原因是混凝土施工質量較差，局部保護層厚度不足，混凝土保護層碳化引起鋼筋銹蝕脹裂，而水流沖刷磨蝕是水閘過流結構破壞的主要形式。
  9. Reprimands the great capital introduces present world most advanced four sides digs as well as the paint equipment, althoughter had more than 100 wraps carbonized furnaces, thick scrubbers, essence scrubbers, the pan dust elimination machine, four sides digs, the precise polishing machine, the automatic coating machine, the automatic outburst paint machine, the roll shaft - type primer painting machine, the press, the boiler, the power set, the drying equipment and so on other each kind of equipments

    斥巨資引進了目前世界最先進的四面刨以及油漆設備，共擁有碳化爐粗銑機精銑機板麵粉塵清除機四面刨精密砂光機塗層機自動噴漆機滾軸式底漆塗裝機壓力機鍋爐發電機組烘乾設備等其他各類設備一百多臺套。
  10. Erosive resistance of grey cast iron matrix composite has been investigated, on the condition of different volume fraction of wc and erosive angles and volume fraction of. the results showed that, the erosive resistance of composite with volume fraction of 27 wt % was the best ; volume abrasion rate of composites with different erosive angles was maximum at 50 angle, but volume abrasion rate was less at 0 and 70 angle ; on condition of the same volume fraction of wc and larger size of quartz sand in slurry, volume abrasion rate increased

    結果表明：碳化鎢體積分數為27的灰鐵基復合材料的耐沖蝕磨損性能最佳；不同沖蝕角下復合材料的體積碳化鎢顆粒增強鐵基表面復合材料及其沖蝕磨損性能研究摘要磨損量在50 「沖蝕角處最大，在0 」和70 」沖蝕角處較小；在碳化鎢顆粒體積分數相同的情況下，當漿料中的石英砂粒度大時，其體積磨損量增大。
  11. Performance and mechanism of the carbonation resistance of flyash cement mortar with a higher water - binder ratio

    高水膠比粉煤灰砂漿抗碳化性能機理
  12. It may be the deposition of caco3 in capillary that divide the large capillary into small one. carbonation can also lower the water permeability of samples

    因此碳化將會降低水泥石和水泥砂漿的滲透性，滲透性的降低與水灰比有關，水灰比越大其降低的幅度也越大。
  13. In the aspect of mortar permeability the author has done some experiments, including the water absorption, porosity, weatherability, anti - freeze - thaw cycle, carbonation and the chloride diffusion experiment, and compared those properties with conventional mortar to testify the modified effects. on the base of these experiments, the method of sem was used to analyze the microstructure and hydration mechanism of polymer modified cement mortar, and the author draws a conclusion that the 9 percent of polymer - cement ratio is the optimum ratio

    在改進砂漿的密實度和抗滲性能方面，主要進行了不同聚合物摻量下的吸水性試驗、可透孔隙率試驗、耐老化性試驗、抗凍性試驗、抗碳化試驗，以及對耐久性能影響最大的快速氯離子擴散試驗，並和普通砂漿的相應試驗進行了對比分析，驗證了聚合物砂漿的改性效果。
  14. Tensile stress will accelerate the carbonation of paste and mortar, which can be explained by the reason that shrinkage of carbonation is confined by tensile stress, and the function x = c0eantb can describe this process. carbonation can lower the total porosity and lessen the aperture in the cement paste

    外部彎曲應力會加速水泥石和水泥砂漿的碳化過程，這可能與受拉區域碳化收縮受到限制有關：彎曲應力作用下水泥石和水泥砂漿的碳化動力學過程可用式x = c _ 0e ~ （ an ） t ~ b描述。
  15. Silicon carbide grinding wheel

    碳化矽砂輪
  16. The general technical specifications on silicon carbide and zircon ceramic infrared heater

    碳化硅鋯英砂陶瓷類紅外輻射加熱器通用技術條件
  17. As we know, concrete structures in reality are always under various stresses or with microcracks of different width. so in this paper, compressive stress tensile stress and microcracks are introduced into water permeability and carbonation experiment, with the object to study the relationship between those factors and durability indexes. sem xrd and mip methods were also used to study the relevant mechanisms

    由於實際工程中的混凝土結構均承受不同類型的荷載和帶有不同寬度的微裂縫，故本文考慮選取外荷載引起的壓應力對普通混凝土滲透性的影響，彎曲應力對砂漿、凈漿碳化深度的的影響以及在帶有裂縫狀態下水泥基材料的滲透和自愈現象開展了部分實驗研究，同時通過對混凝土、砂漿及凈漿系列水泥基試件的碳化和滲透實驗比較，從微觀角度對碳化和滲透、自愈現象的一些機理也做了初步研究。
  18. Tynex ? a is a heat - stabilized, type 612 nylon filarment containing small, sharp particles of silicon carbide or aluminum oxide, which are distributed throughtout the filament

    是由美國杜邦公司所生產具有熱穩定性之尼龍# 612為基材，溶入碳化硅或氧化鋁等研磨砂抽絲製成的特殊刷毛。
  19. The ministry of finance and the state administration of taxation jointly determined to adjust export refund rates of the following products as of 1 may 2005 : ( 1 ) export refund rates of coal, tungsten, tin, antimony and their products decreased to 8 % ; ( 2 ) abolishing of the export refund tax of thulium, thulium oxide, salts of lanthanum, silicon metal, molybdenum ores and its fine ores etc

    中國財政部、國家稅務總局決定自2005年5月1日起調整下列產品的出口退稅率： （ 1 ）將煤炭，鎢、錫、鋅、銻及其製品的出口退稅率下調為8 % ； （ 2 ）取消稀土金屬、稀土氧化物、稀土鹽類，金屬硅，鉬礦砂及其精礦，輕重燒鎂，氟石、滑石、碳化硅，木粒、木粉、木片的出口退稅政策。
  20. Manufactures : automatic softener consecutive water supply, inter - current water supply, meter and timer style, automatic filters sand filter, carbon filter, automatic desalination systems and automatic water purification system

    水處理設備及系統有：全自動軟化水裝置連續供水及間斷供水流量型及時間型全自動過濾水裝置碳濾砂濾全自動除鹽水裝置全自動純水裝置。
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