石固化作用 的英文怎麼說
中文拼音 [dàngùhuàzuòyòng]
石固化作用
英文
petrification-
This paper takes mobile engineering department equipment management of daqing petrochemical parent company as an example, and studies the design and application of equipment management system of daqing petrochemical parent company, for the implement of computerizing the equipment entire process management with the equipment management system and completing the synthesis management, the records management, the expense management, the fixed asset management, the specialized management and the information management with the computer system and making in the manual management some qualitative and stochastic ingredients transforming into the quantitative standard management. so it guarantees that we can perform advanced predicting management in the entire process of the matter movement and the value movement of equipment and complete the equipment servicing transition from the compulsory servicing and afterwards servicing to the preventive servicing, improving work quality, efficiency and modernized degree which the equipment manages and assisting enterprise ’ s equipment management decision - making and the whole realization of management goal and enhancing the enterprise ’ s interior equipment utilization and realizing its maximum profit
本文以大慶石化總廠機動工程部的設備管理為例,對大慶石化總廠設備管理系統的設計與應用進行研究,旨在通過設備管理系統實現設備全過程管理計算機化,由計算機系統來完成設備的綜合管理、檔案管理、費用管理、固定資產管理、專業管理及信息管理,使人工管理中一些定性的、隨機的成分轉變為定量的規范的管理,保證大慶石化總廠對設備的物質運動和價值運動的全過程實行先進的可預知性管理,並逐漸將設備維修從目前的以強制性維修及事後維修為主過渡到以預防性維修為主,提高設備管理的工作質量、效率和現代化程度,輔助企業的設備管理工作決策及經營管理目標的整體實現,提高大慶石化總廠內部設備的利用率及實現其最大的經濟效益。The strength and wear resistance of diamond drill bits for petroleum exploitation will be increased considerably when cast tungsten carbide is applied and adheres to the substrate firmly with cast tungsten carbide of 80 - 200mesh as the skelton and copper alloy as the soldering material in a process of non - pressure immersion
石油鉆探行業用的金剛石鉆頭,用粒度為80 ? 200目的鑄造碳化鎢粉作骨架,採用無壓浸漬工藝,以銅合金作釬焊料,將鑄造碳化鎢與基體牢固結合,強度、耐磨性大大提高。With the development of science and technology, more and more oxide crystals are synthesized by more and more advanced technique, the new oxide crystals are incessantly synthesized and the new characters of oxide crystals are incessantly founded. corundum dopped with impurity not only is cherished because of it ' s beautiful appearance, but also is used in the fields such as electrotechnics, mechanism, laser, the optic apparatus and the underlay of semiconductor. sapphire dopped with ti3 + is the best material of the tunable solid laser. zno crystal is material of the direct gap semiconductor ( the width of forbidden band : 3. 37ev ). the excited emission in zno crystal at room temperature has been found, so the ultraviolet luminescence in zno semiconductor can be acquired at room temperature
含有少量雜質的剛玉晶體( - al _ 2o _ 3 )不僅由於其色澤艷麗成為人們珍愛的名貴寶石,而且由於它具有的優異性能,被廣泛應用於電工、機械、激光器,光學器件和半導體襯底材料。鈦藍寶石是目前最優異的固體寬帶調諧激光材料,用於製作飛秒脈沖可調諧激光器。氧化鋅晶體是直接帶隙寬禁帶半導體材料(禁帶寬度3 . 37ev ) ,現已發現具有室溫下受激發射特性,有可能實現室溫下半導體紫外發光。The telescopic butterfly valve can be used as closing and throttling units on pipline with such media, as all kinds of corrsive and incorrosive gases, liquids semifluid and solid powder in them with belong to the system of petroleum, chemical, textile, shipbuilding, and metallurgic industries, of food medicine and paper manufactures, and of water and electricity, water supply and drainag and energy servies
本蝶閥適用於石油、化工、給排水、食品、醫藥、冶金、造紙、電站、煤氣、通風、供熱、環保、船舶、能源等工業系統一切腐蝕和非腐蝕性氣體、液體、半流體和固體粉末的管路上作接流和調節用。Solidifying chiefly as a minor intrusion, especially as a dike or sill, before reaching the earth ' s surface. used of rocks
半深成的,淺成的在到達地球表面之前的主要作為小型巖石群固化的,尤其象巖脈或巖床的凝固用於指巖石Based on the dimensions, structures, shapes of the pores and the surface components of the porous minerals and rocks, this paper has summed up characteristics of typical porous minerals and rocks such as attapulgite, montmorillonite, sepiolite, zeolite and diatomite, and evaluated their application as filters, sorbents, ion exchangers and catalysts in environmental engineering
本文從微孔的尺度、結構、形態、成分等表面固體特徵出發,概括性地論述了凹凸棒石、海泡石、蒙脫石、沸石、矽藻土等十幾種多孔結構礦物(巖石)在環境修復工程中用作過濾材料、吸附劑、離子交換劑和催化劑等材料時的基本特徵和使用時應注意的問題。Tar content in the gas was influenced by the gasification conditions, such as the gasification temperature, residence time of feedstock in the gasifier and the type of feedstock, which can help us to investigate the mechanism of tar production in gasification process. catalytic cracking of tar was performed in a downstream secondary fixed - bed cracker with dolomite, limestone and alumina brick as catalysts. by comparison, thermal cracking of tar was also performed with silica carbide
在固定床二級催化裂化反應器上,實驗了白雲石、石灰石、高鋁磚等幾種催化劑作用下的焦油催化裂化過程以及炭化硅作用下的熱裂化過程,並對裂化溫度( 650 950 ) 、氣相停留時間( 0 . 5 1s )和催化劑類型等過程參數對焦油轉化效果和熱解煤氣的影響進行了分析,對各種催化劑材料的性能進行了比較,力爭開發出可適用於工業化生物質氣化系統的焦油催化裂化技術。An attempt has been made by the author to quantify the effect of the covalent bonding on the metallic bonding of most metals by assigning covalent - metallitivities ( c - m ) values to some of the solid elements based on their melting temperatures in as compared to carbon ( diamond ), with a melting temperature of 3500, which is assumed to be 100 % covalently bonded and have a covalent - metallitivity of 4. 0
作者試圖根據某些固體物質的按攝氏度計算的熔點與碳(金剛石)的比較,指定其共價金屬活性( c - m )的值,來量化在大多數金屬上的金屬性化學鍵的共價鍵作用, (比如) , 3500攝氏度的熔點被認為是100的共價化合,且其金屬活性為4 . 0 。Yttrium aluminum garnet ( y3al5o12, yag ) is not only a very important laser material, but also a high - temperature structural material and a fluorescence material. in this paper, the discussions are mainly focused on the synthesis of yag powders by co - precipitation method, self - propagating high - temperature synthesis and mixed method, powder ' s property, etc. in the co - precipitation method, the precursor was produced by adding a mixed a1 ( no3 ) 3 and y ( no3 ) 3 solution to nh4hco3 solution. yag can be obtained by heating the precursor at looo ' c for 5 hours without the formation of yam and yap transition phase
釔鋁石榴石( y _ 3al _ 5o _ 12 ,簡稱yag )是一種重要的激光基質材料,同時它還作為高溫材料和熒光材料得到了廣泛的應用,本文主要討論了化學共沉法、燃燒法制備yag的超微粉的工藝,並對yag超微粉的性能及物相進行了分析;採用固相合成法制備了ca , ca : yag系列陶瓷,並對其結構和性能進行了討論。Product info : the vibrating screen with circular motion is specially designed for quarry to separate crushed stone material into different sizes, and is dressing, cibstruction matefial, elecric and chenueal industies. it has a feature of advanced structure, powerful vibrating forces, low vibration noise, easy maintenance, high durability and etc
上海林滬實業有限公司專為採石場篩分料石設計生產的「山友」牌系列振動篩,運動軌跡呈圓周,也可用於選煤選礦建材電力及化工部門等作產品分級用,本公司產品具有結構先進激振力強振動噪音小易於維修堅固耐用等特點。Thermoplastic phenol - formaldehyde resin bond synthesized by solution po1ymeization is commonly used in making diamond grinding wheel, which has disadvantages such as : absorbing moisture, difficult mixing, can not being long term store, needing curing agent, and giving off dangerous gas
目前,金剛石樹脂砂輪普遍採用溶液聚合熱塑性酚醛樹脂作結合劑,此結合劑存在著易吸潮結團、混料困難、不易長期存放,需加固化劑才能固化,且固化過程中有大量的有害氣體溢出,使用時需要加工成粉末等缺點。As the content of vermiculite minerals increased, the content of the " intercalated " shape, in which crystal gallery breadth was about of 40nm, also increased. in the curing reaction processing of polybenzoxazine / vermiculite hybrid nanocomposites intercalated with bisphenol a type precursor. according to the content of vermiculite minerals, while different shape of crystal was forming, these crystals were retarding the heat ring - opening polymerization of bisphenol a type precursors in the nanocomposites
通過對雙酚a型ben蛭石納米插層物固化過程的分析:不同蛭石含量的插層物,在形成不同納米分散狀態固化結構的過程中,蛭石晶片對雙酚a型ben的熱開環聚合有明顯不同的阻礙作用,蛭石含量為3的插層物160的凝膠化時間較純樹脂的延長約7min ,活化能高約8kj mol ,固化反應熱晗低約14j g ,使得固化物的固化程度較純樹脂低約10 ,阻礙作用最大,其它含量的次之。In this thesis, several new fluorescence carriers have been synthesized bearing a carbon chain with a terminal double bond introduced into the molecule and copolymerized with a monomer under uv irradiation on the silanized glass or quartz disk. the sensors prepared were studied. covalent immobilization effectively prevents the leakage of the carrier dye from the sensor membrane, a phenomenon that shortens the lifetime of ordinary optical sensors
本論文合成了幾種含末端雙鍵、可共價固定的新型熒光化合物,並以此作為熒光指示劑,與膜基質單體在光引發劑作用下發生光聚反應共聚在經過硅烷化處理的石英或普通玻片上製成光極膜,制備了對一些物質有響應的熒光化學傳感器。Superabrasive grinding wheels and tools combine a grinding surface made from diamond or cubic boron nitride with a resin or metal bonding system
-超硬磨具,其中含有金剛石或立方氮化硼磨料顆粒,並使用有機樹脂或金屬材料作為結合劑,使磨料顆粒固結成形,共同構成鋒利的磨削表面。The presence of kreep - rich rocks indicates that the early moon underwent intense melting and differentiation, a process in which the incompatible elements were concentrated in the molten part of an increasingly solid, crystallized system
富含kreep巖石的存在,表示早期月球曾受強烈的熔化和分異作用;這個過程中,不相容元素會凝聚在逐漸固化、結晶系統中的熔融部份。And its usage on cmcpe was further less. three organic reagents were used as modifier in the fabrication of cmcpe bonded with solid paraffin in our research
本文首先以固體石蠟為粘合劑,以三種常見有機試劑及其特定的形式作修飾劑制備了cmcpe ,並分別用作電流型和電位型電化學傳感器測定金屬離子。The present paper, based on practice of dynamic compaction to eliminate sandy soil liquefaction on shi - an expressway, is presenting a penetrated analysis of working properties and mechanism of consolidation of dynamic compaction. some construction co - efficient have also been presented for reference in highway construction. meanwhile, in combination with the flat board static load tests, a simple and easy - to - look analysis model has been proposed for composite ground of macadam ( fly - ash ) the present paper concludes that dynamic compaction for treatment of sandy soil liquefaction is an effective approach
本文結合石安高速公路建設中採用強夯法處治砂土液化地基的工程實踐,對強夯法的工作性狀和加固機理做了剖析,對強夯施工參數提出了在公路領域中的選用特點和方法,同時,結合野外的平板靜載試驗,提出一個簡單直觀的碎石(粉煤灰)樁復合地基分析模型。The dissolved solids come from “ weathering processes of the continental rocks being dissolved by rain and flowing out to sea with the rivers
溶解的固體源於陸地巖石的「風化作用」過程,它們溶解在雨水裡,並且由河流帶人海洋。Based on the characteristic of the grotto rock reinforced by prestress anchor cable, taking three typical engineering sections in yulin grotto in anxi county gansu province, as examples, the simultating computation for the displacement field and stress field of the grotto rock under seismic load is done using dynamic finite element method, the change regularity and dynamical response of the grotto rock are concluded
摘要根據錨索加固石窟巖體的特點,以甘肅安西榆林石窟的三個典型的工程段為例,通過動力有限元的方法對地震荷載作用下預應力錨索加固石窟巖體的位移場、應力場的模擬計算,得出了其動態響應和變化規律。分享友人