難熔化的 的英文怎麼說
中文拼音 [nánrónghuàde]
難熔化的
英文
infusible-
Based on the petrological, petrochemical and geochemical analyses about these rocks, it is concluded in this paper that the xenoliths were originated from the upper mantle, and comprised of both primitive pyrolite and the infusible solid residual of the upper pyrolite while the basaltic magma was melted out of it, which were brought up to the earth ' s surface via o1carnc eruption
根據其巖石學、巖石化學及地球化學特徵分析,包體來源於上地幔,其成因既有原始地幔巖,亦有上地幔巖經部分熔融出玄武巖漿后的難熔固相殘留物,被火山噴發攜帶至地表。Affiliated to our company, there are 2 branch companies craft factory and 1 computer server co - location center. rare refractory metal manufacturing company : company unit production equipments including the four high mills introduced from russia, home - made duo mill and narrowband mill, 400kg pneumatic hammer, punch, grinder and lathe, etc. ; a foot set of complete flow has been formed from the processing of product cog to finished product
公司下設4個分公司:星元稀有難溶金屬加工有限責任公司,是以生產鎢鉬鉭鋯鈮鈦鎳等難熔金屬材料及其製品為主的規模企業晨光印務有限責任公司,是集鋁箔袋高溫蒸煮袋抽真空袋及各類食品包裝袋的設計製作印刷覆膜等專業化生產企業。The refractory metals and refractory metal silicides that are used to augment or replace the polysilicon are generally deposited by physical vapor deposition processes.
用於增強和取代多晶硅的難熔金屬和難熔金屬硅化物通常是用物理蒸發沉積工藝沉積的。It is found that the chemical durability of na2o4teo2 glass is dominated by the humidity of the surrounding air during the processes of glass melting and the following cooling. the mystery that na2o4teo2 glass crystallizes after drop shaft experiment, which has puzzled glass researchers for many years, is solved. this work indicates a way for making na2o4teo2 glass with good chemical durability
此反應主要受玻璃在熔化和冷卻過程中的環境濕度控制,存放過程中的空氣濕度對它也有影響,這解決了困惑人們多年的落塔實驗中na _ 2o ? 4teo _ 2玻璃析晶的問題和na _ 2o ? 4teo _ 2玻璃穩定性難以控制的問題,為制備空氣中穩定的na _ 2o ? 4teo _ 2玻璃提供了明確的依據。But there are some technical difficults for the welding of aluminium alloy such as some broken bits being easily found, a large welding distortion can happen easily, hard to distinguish the difference between the solid metal and liquid metal colour, hard to control the temperature, a lot of air holes can be seen in the welding line and so on
但是鋁合金熔化焊時的技術難點在於:焊接時易引起夾渣,焊接變形大,金屬的固態和液態的色澤不容易區別,焊接操作時控制溫度困難,容易產生氣孔等等。如果焊前清理工作不是很好,檢測氣孔往往超標。Miao b., wang g., wang d., ouyang z., lu r., dai d., and lin y. ( 2005 ) petrology and mineral chemistry of two ureilites found in grove mountains. acta geologica sinica 77
戴德求,林楊挺,繆秉魁,王桂琴, ( 2006 )南極碳質球粒隕石中兩個富尖晶石球粒狀難熔包體的巖石學和礦物化學特徵研究地球化學出版中。In this paper, pure and doped ktp crystals were grown from the flux using a top - seeded method, and special technique have been used to lower the electrical conductivity to three orders of magnitude than common flux ktp, the values is up to 10 - 10 ( cm ) - 1, this overcame the shortcoming that common flux ktp cannot be used in e - o application field because of having higher electrical conductivity. the growth condition, doped elements and annealing technology were investigated. single crystals of ktp with high quality and big z - cut cross section were obtained by optimizing the parameter of crystal growth
本實驗採用頂部籽晶熔劑法生長了純的以及不同摻雜的ktp晶體,用特殊工藝處理技術將普通熔劑法ktp的電導率降低了三個數量級,達到了10 ~ ( - 10 ) ( cm ) ~ ( - 1 ) ,解決了普通熔劑法ktp晶體由於離子電導率太大而無法用於電光應用領域的困難;對ktp晶體的生長條件、摻雜元素以及退火工藝等進行了研究,通過優化生長工藝技術參數,突破了工藝技術生長難關,得到了高光學均勻性、具有大z切面的ktp單晶。Mainly produce the refractory metal materials including wolfram, molybdenum, tantalum, zirconium, niobium, titanium, nickel and the products ; we undertake the manufacture of the compound materials like titanium, nickel, molybdenum, zirconium stainless steel and the vessels, fasteners, titanium basket, titanium panel, etc. our products are extensively applied in many fields like petrol - chemical, chemical fiber, electronics, electric light source, electric vacuum, fertilizer, pharmaceuticals, glass fiber, electrical medium and galvanization, etc
主要生產鎢鉬鉭鋯鈮鈦鎳等難熔金屬材料及其製品承接鈦鎳鉬鋯不銹鋼等復合材料及容器緊固件鈦網籃鈦種板等製造。公司產品廣泛的應用於石化化纖電子電光源電真空化肥制藥玻璃纖維電介電鍍等諸多領域。When pulse width is long enough to above 2. 5ms, the corrected direction of laser hammering is away from the laser head, which may be the reason for weld bath being fatal destroyed
當脈沖寬度超過2 . 5ms時,由於熔池發生了復雜的變化,有可能使激光錘校正方向相反從而難以預測。The strong shear cut and grinding force of hlgb horizontal stirring grinding machine is used to the surface of the moderate supersonic carbon and the fusion particles of the cao & sio2 in this paper. the result of xps indicated that the si - c bond is detected on the surface of the particles. the high melting point superfine sic and caco3 are produced on the surface of cao & sio2, and composite particles are formed
本論文利用hlgb臥式雙向旋轉攪拌球磨設備,通過正反轉攪拌齒及研磨珠工作時產生的強烈的剪切、研磨機械力持續作用於cao sio _ 2熔融顆粒及中超碳黑顆粒表面, xps檢測表明,顆粒表面有si - c及ca - co鍵生成,根據機械化學理論是由於機械力的作用,誘發利用熱能難以進行的機械化學反應,在cao sio _ 2熔融顆粒表面生成了sic及caco _ 3新物質,構成包覆型復合粒子。Catalytic activity comparison of alkali metal refractory compounds for methanol dehydrogenation to water - free formaldehyde
甲醇脫氫制甲醛反應中堿金屬難熔鹽的催化性能研究Included in ceramics are porcelain such as pottery ; abrasives such as emery used on sand - paper, refractories such as tantalum carbide, with a melting temperature of about 3870 centigrade, and structural clay such as brick
陶瓷內部包括瓷器,砂紙一樣的研磨劑,熔點達到3870攝氏度的難融鉭化物和象磚塊一樣的結構黏土。But as the large population and the difficulty of entering higher school and employment are still serious, during the process of deepening education reform, the school is very difficult to form its own education ideal and method or to develop the school truly and enrich students. usually the school attaches importance to the teaching that centered on tests. emphasize " quantity ", overlook culture ; emphasize on controlling, despise management ; stress on traditions but ignore specialty and brand
但是,我國人口太多,升學和就業的困難仍然嚴重,學校很難在深化教育改革的過程中駕輕就熟地形成自己的教育理想和方法,去真真切切地發展學校、豐富學生,往往將主要精力傾注于以考試為中心的教學工作,重「質量」輕文化,重控制輕管理,重傳統輕特色和品牌,重成果要求輕團隊精神熔煉和學習型組織的建設,所呈現的學校形象千人一面,學生和教師的發展十分局限。分享友人