氟硅化物 的英文怎麼說
中文拼音 [fúguīhuàwù]
氟硅化物
英文
silicofluoride-
The investigation of a lot of parameters about treated sandstone, brick materials and earthen materials with fluorited polymers has been carried out, such as the formation of polymer, the penetration depth, porosity, capillary absorption and penetration coefficient, water uptake, compressive strength, drilling resistance, absorption isotherms of water vapor, water vapor diffusion, color changes as well as resistance to desegregation of water, frizzing - throwing cycles, worming - cooling cycles, and so on. in addition, the influence of salt crystallization, acid and base, and uv aging have also been assessed in order to better understand the protection effects and utilization possibility of two fluorinated polymers, mainly according to astm standard and the combination of international methods together with general technological
分別以國家級文物保護單位的土質、砂巖和磚材文物樣品為對象，依據astm標準及國際通用文物保護研究方法與評估準則相結合，通過膠化物形成周期、滲透深度、孔隙度、毛細吸水和滲透系數、持水量、抗壓強度、抗鉆強度、吸附水蒸氣的能力、透氣性、外觀顏色等系列參數的測定，及凍融、冷熱循環、酸堿腐蝕后抗壓強度的衰減、可溶鹽對保護效果的影響、酸堿及光照對表面保護效果的影響，對兩種含氟聚合物及其與有機硅的共混物在文物加固保護和表面防護中的可行性和保護效果給予了系統研究。By formula about effective bandwidth, he get the bandwidth near 1540 nm wavelength, which is 64. 54nm. the bandwidth is more bigger than the gain bandwidth of er - doped silica fiber and fluoride fiber amplifier ( 20nm - 30nm ). it is useful to improve transmitted capacity of information in fiber
對1540nm處光譜有效帶寬的計算，得到結果為64 . 54nm ，這個帶寬已遠高於目前常用摻er硅光纖和氟化物光纖放大器的20 - 30nm增益帶寬，于擴大光纖信息傳輸容量有很大益處。For settle a great deal popularize and apply exterior wall coating, this paper study on acid rain - resistant, pollute - resistant, false accelerated aging - resistant of them. therein to, acid rain - resistant test is acid rain simulate test by environment quality data in chongqing. ph value is partly 0. 690, 0. 610, 0. 613, 0. 453
為了解決重慶市外墻塗料不能大量推廣應用外墻塗料的重大難題，本文主要試驗研究三種不同主要成膜物（純丙、硅丙、氟樹脂）的外墻塗料的耐酸雨性、耐沾污性、耐人工加速老化等三大技術性能指標，其中耐酸雨性實驗是根據重慶市環境質量數據進行的酸雨模擬實驗， ph值分別為0 . 690 、 0 . 610 、 0 . 613 、 0 . 453 。Methods of chemical analysis of thermal insulation materals for leachable chloride, fluoride, silicate and sodium lons
絕熱材料中可溶出氯化物氟化物硅酸鹽及鈉離子的化學分析方法The technologies of silica, alumina, silicon and some fluoride compounds ' extraction from silicate and aluminosilicate rocks with the use of fluoride metallurgy were developed too
隨著氟化物冶金學的應用，從硅酸鹽和鋁矽酸鹽巖石中提取硅土、氧化鋁、硅和一些氟化合物的技術也逐漸被開發出來。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。Standard test methods for chemical analysis of thermal insulation materials for leachable chloride, fluoride, silicate, and sodium ions
可浸出氯化物氟化物硅酸鹽及鈉離子用絕熱材料的化學分析的標準試驗方法分享友人