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。
Kerogen analyses, however, require preliminary isolation of the kerogen by hydrochloric and hydrofluoric destruction of the inorganic minerals.
但是,油母巖分析需要使用
鹽酸和氫
氟酸破壞無機物以便初步分離出油母巖。
Supply of 35 000 nos. of fluticasone propionate aqueous nasal spray to the hospital authority and the department of health as a 24 - month contract commencing 14 march 2006 supply of 5 510 000 benserazide and levodopa capsules tablets to the hospital authority and the department of health as a 24 - month contract commencing 30 march 2006 supply of 2 800 000 sertraline hydrochloride tablets to the hospital authority and the department of health as a 24 - month contract commencing 2 april 2006 supply of 117 000 000 paracetamol tablets to the hospital authority and the department of health as a 24 - month contract commencing 8 april 2006 supply of 270 000 vials of cefotaxime sodium for injection to the hospital authority and the department of health as a 24 - month contract commencing 22 may 2006 supply of 8 200 000 cloxacillin capsules to the hospital authority and the department of health as a 24 - month contract commencing 1 may 2006 supply of large saloon cars grade a to the government logistics department as a 12 - month contract from date of acceptance supply and delivery of 48 000 nos. of supermarket gift coupons to the electrical and mechanical services department as a 12 - month contract from date of acceptance
承投為醫院管理局和?生署供應35000個
氟替卡松丙酸酯水劑鼻腔噴霧,合約由2006年3月14日開始,為期24個月為醫院管理局和?生署供應5510000粒羥芐絲及左旋多巴膠囊?藥片,合約由2006年3月30日開始,為期24個月為醫院管理局和?生署供應2800000粒
鹽酸舍曲林藥片,合約由2006年4月2日開始,為期24個月為醫院管理局和?生署供應117000000粒對乙?氨基酚藥片,合約由2006年4月8日開始,為期24個月為醫院管理局和?生署供應270000瓶注射用頭孢?鈉,合約由2006年5月22日開始,為期24個月為醫院管理局和?生署供應8200000粒鄰氯青霉素膠囊,合約由2006年5月1日開始,為期24個月為政府物流服務署供應大型房車(甲級) ,合約由發出接納書日期開始,為期12個月為機電工程署供應和送運48000張超級市場禮券,合約由發出接納書日期開始,為期12個月
The results are listed as follows : ( 1 ) the inorganic acetate of y, ba and cu were used as precursors, and diethylenetriaminejactic acid and a - methacrylic acid as complexing agents, respectively. the stable fluorine - free ybco sol can be obtained
研究結果表明: ( 1 )採用y 、 ba和cu的無機
鹽為出發原料,採用乳酸、 ?甲基丙烯酸及二乙烯三胺作絡合劑,可以制得易於成膜且穩定性良好的無
氟系ybco溶膠。
The save energy mould pump of the corrosiveness of the ministry of industry such as chemical industry and chlorine alkali, chemical fertilizer, dyestuff, reagent, pesticide, pharmacy, electroplating and environmental protection etc door transport that pf ( fs ) mould chemical industry pump can satisfy to carry many kinds of consistency sulphuric acid, hydrochloric acid, nitric acid, acetic acid, phosphoric acid, chromium acid, oxalic acid, hydrofluoric acid and the lye, organic solvent and oxidizer geometric ratio medium under - 50 s - 80 s temperature conditions and is not han s anything small and roundish medium
型化工泵能滿足輸送- 50 80溫度條件下的多種濃度硫酸、
鹽酸、硝酸、醋酸、磷酸、鉻酸、草酸、氫
氟酸和堿液、有機溶劑、氧化劑等化學介質、是化工、氯堿、化肥、染料、試劑、農藥、制藥、電鍍、環保等工業部門輸送不含顆粒的腐蝕性介質的節能型泵。
A new scintillator of lead - tin - fluorophosphate glass doped with p - terphenyl
氟磷酸
鹽閃爍玻璃的研究
The main products are pyro sintered zinc concentrate, zinc oxide direct method, zinc oxide indirect method, zinc sulphate, zinc oxide pharmaceutical grade, basic zinc carbonate, ammonium bifluoride, ammonium fluoride, sodium fluoride, strontium nitrate, lithium nitrate, lithium fluoride, cobalt salt, nickel salt, and etc. among above products, zinc oxide pharmaceutical grade were the first products in hebei province and the quality of zinc oxide pharmaceutical grade was approved by hebei medical bureau reference number : jweizhunzi94di8662
鋅焙砂氧化鋅硫酸鋅
鹽氟化物鋰
鹽鍶
鹽鎳
鹽鎘
鹽鈷
鹽等幾大系列產品,其中醫用氧化鋅填補了河北省內空白,並於1994年被省衛生廳批準為藥用指定產品冀衛藥準字94第8662號。公司十分重視客戶的反映,並有同客戶建立長久合作關系的能力。
The fluoride replacement complexometric method for the determination of aluminum content
氟鹽取代絡合容量法測定鋁量
Methods for chemical analysis of iron ores - the fluoride replacement complexometric method for the determination of aluminum content
鐵礦石化學分析方法
氟鹽取代絡合容量法測定鋁量
Iodine derivatives manufacturer in missouri, offering liquid iodine, iodides, and iodates, for applications in various industries and agriculture
-生產塗料無機
鹽氟鹽,主要產品有氯化鋅氯化鋅銨牙膏級單
氟磷酸鈉等
Moreover, the heredity of al and al alloys own structure morphologies has been discussed. block or flack - like tial and bar - like or particles tib2 can be obtained by means of fluoride salt method melting at 800 c ~ 1100c under the other same condition
用
氟鹽法制備中間合金時,在其它條件相同的情況下,改變熔煉溫度( 800 1100 )可以得到含有塊狀和針片狀形態的tial _ 3晶體和條狀與顆粒狀tib _ 2化合物的中間合金。
Experimental results show that the order of fluoride salt being put in and flux type also influences the phases constitution, morphology, distribution and absorbent rate of ti and b. the experiments on remelting master alloys and al or al alloys at a certain temperature range show that the phases constitution and size have a remarkable heredity
試驗結果表明,不同的
氟鹽加入順序和熔劑種類的不同也直接影響著中間合金中化合物的相組成、形態、分佈以及中間合金中ti 、 b的實收率等。在用純鈦顆粒法制備中間合金時,熔煉溫度的改變只能影響tial _ 3晶體的尺寸大小,而無法改變其形態。
Iso9001 certified company specializing in the research and production of silane coupler products
-生產和經營鈷類硒類氟鹽類化工品。