直接工時法 的英文怎麼說

中文拼音 [zhíjiēgōngshífǎ]
直接工時法 英文
direct labor hour method
  • 直 : Ⅰ形容詞1 （成直線的; 硬挺的） straight; stiff 2 （跟地面垂直的; 從上到下的; 從前到后的） erect; v...
  • 接 : Ⅰ動詞1 （靠近;接觸） come into contact with; come close to 2 （連接; 使連接） connect; join; put ...
  • 工 : Ⅰ名詞1 （工人和工人階級） worker; workman; the working class 2 （工作; 生產勞動） work; labour 3 ...
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  • 直接 : direct; immediate
  1. If unit of choose and employ persons did not press formulary pay cost, when the worker thinks rights and interests of its endowment insurance is encroached, authority is informed against, or submit to to work censorial orgnaization or orgnaization of labor dispute processing undertake handling lawfully, ok also and direct to people court to lodge a complaint, with safeguarding oneself legitimate rights and interests lawfully

    假如用人單位未按規定繳費，職工認為其養老保險權益受到侵犯時，有權舉報，或提請勞動監察機構或勞動爭議處理機構依法進行處理，也可以直接向人民法院提起訴訟，以依法維護自己的合法權益。
  2. 90 % uv below 400nm could be shielded by the nano - sio2 sol. the time of the artificial aging of nano - sio2 - modified coatings prepared by the way of in - situ dispersion method was about twice as long as that of the nano - sio2 - modified coatings prepared by dispersing the nano - sio2 powder in the coating directly. on the other hand, the fadeproof time ( reaching the second level of color aberration ) of the nano - sio2 - modified coatings was 1. 83 times as long as that of the national standard for the super coatings

    實驗證明:納米510 :溶膠具有很強的紫外散射屏蔽性能，對400nm以下的紫外光能屏蔽90 %以上;在位分散法納米510 :改性塗料的耐人工老化粉化時間比直接分散法納米510 :改性塗料提高了近1倍，耐變色時間（達到色差2級的時間）是國標優等品要求的1 . 83倍，較相應的未改性塗料提高了約25 % 。
  3. Furthermore, we try to fabricate complex perovskite structure pmn - pt by the conventional mixed oxide, liquid phase inclosure technique and microwave calcinations method

    同時也對直接固相合成法、液相包裹體法及微波合成工藝進行了相應的比較和探討。
  4. Based on the terszige and biot theory, initially analyze the economical of this experiment, directly save investment 22 % after compute. after that, computing the settlement of highway foundation, comparing the computing and survey value, the predict formula of vacuum - heaped load combining precompression for designing, this formula show that the distortion law of consolidation progress. at the same time, based on the position and room experiment, analyzes the intension transformation in soft soil and criteria of stabilization control

    在太沙基和比奧固結理論的基礎上，先分析了此次試驗的經濟性，經核算直接節約投資22 ，經濟效益十分明顯；隨后對真空堆載聯合預壓法加固軟土路基的沉降量進行了估算，並與實測值作對比分析，得出了真空堆載聯合預壓下的沉降量估算公式，能反映「真空」加固過程的變化規律；同時根據現場和室內試驗，分析了軟土強度的變化，以及給出並驗證了工后沉降控制標準。
  5. We have a china - specific antidumping and circumvention program to closely watch and directly address any market - altering changes as soon as they occur, as well as a subsidies group that will monitor china s provision of financial assistance and state aids to industrial enterprises to ensure that they conform with wto commitments. these five points are focusing our china experts to achieve the most complete results possible, but the secretary himself is also keenly interested and involved in pushing for u. s. business when the lower channels do not open

    最後，除了鼓勵出口商利用機會的四項措施以外，市場準入和履約處以及整個商務部將積極監測貿易流通情況，防止在進口中出現意外。我們有一個專門針對中國的反傾銷反規避項目，以密切注視和隨時直接處理使市場反常的變化。我們還有一個補貼問題小組，觀察中國向工業企業提供金融幫助和政府援助的情況，確保這些做法符合對
  6. In attempt to directly compare the sound response characters of the same bf neurons or different bf neurons and their interactive relation, the double recording microelectrodes were penetrated into two different neurons in iso - frequnency laminas or hetero - frequency laminas. taking advantage of frequency tonotopical arrangement in 1c of bats, it was explored how the neurons integrated different parallel processes of the same sound information. in the case of which, we hoped to explore the relation between the sound response characters of the central auditory neurons and neural modulation in background noise for the further understanding of the mechanism in the central auditory neurons extracting sound signals

    本研究以大棕蝠（ bigbrownbat ， eptesicusfuscus ）為模型，利用ic聲調組構排列成同頻層這一結構特點，突破單電極記錄和檢測神經元的方法，同時推進兩單電極至一個同頻層或兩個同頻層的兩個不同神經元，試圖從細胞水平直接比較兩個具有相同和不同最佳頻率的神經元聲信號的加工處理特徵、以及它們之間的相互關系，以期窺探它們在對同一聲信號處理過程中的整合奧秘，並以此為基礎分析和探討背景噪聲條件下中樞神經元聲反應特徵與神經調制的關系，以期進一步了解中樞聽神經元聲信號提取的機制。
  7. This paper, in the light of the special geological environment and actual project situation of the three gorges reservoir area, puts forward a comprehensive analysis and evaluation system suitable for the stability analysis of the bank landslide of the three gorges reservoir area under the premise of thorough consideration of the water influence on the stability of the bank landslide, and obtains the following achievements in several aspects that have the practical application significance and certain scientific research value : ( 1 ) it is discovered that the water activity is the primary factor of the formation of the new landslide and the revival of the ancient landslide. on the one hand, the rising underwater level reduces the actual stress of landslide ; on the other hand, the long time soaking of the underwater reduces the mechanics intensity of the landslide and the slide belt, both of which reduce directly the landslide stability ; ( 2 ) in view of the special condition of the three gorges reservoir area, this paper analyzes systematically the forces acted on the landslide of the three gorges reservoir area and the force varieties acted on the divided landslide when the water level changes between 175 meters and 145 meters. thus it is more scientific and comprehensive for the analysis of the forces acted on the landslide ; ( 3 ) this paper summaries systematically 10 kinds of typical computation projects by organic combinations of different kinds of situations in the dry season ( nature statue ), rainy season ( rainstorm or rains for a long time condition ), with 175m water level in the reservoir, during the earthquake, with the water level of the reservoir adjusted from 175m to 145m and so on, and produces

    本文針對長江三峽庫區特殊的地質環境與工程實際情況，在充分考慮水對庫岸滑體穩定性影響的前提下，提出了一個適用於長江三峽庫岸滑坡體穩定性分析的綜合分析評價體系，並取得了如下幾個方面具有工程實際意義和一定科學研究價值的研究成果： （ 1 ）研究結果發現，水的活動是新滑坡形成或古滑坡復活的主要因素，一方面是由於地下水位升高降低了滑坡體的有效應力，另一方面是由於地下水的長期浸泡降低滑體及滑帶的力學強度，這兩方面的因素均將直接降低滑坡的穩定性； （ 2 ）針對三峽庫區的特殊條件，系統分析了作用於三峽庫區滑坡體上的力系和庫水位在175m與145m間變化時滑體條塊的受力變化，從而使對作用於滑坡體上的力系分析更科學、更全面； （ 3 ）通過對滑體處于旱季（天然狀態） 、雨季（暴雨或長期降雨狀態） 、 175m庫水位、地震以及庫水位由175m調節下降至145m等各種不同情況的有機組合，本文系統地歸納總結出了10種典型計算工況，並具體給出了相應的作用荷載的計算方法，使在庫區岸坡滑體穩定性分析評價時對計算工況選擇及其作用荷載的計算更具規范性； （ 4 ）具體運用c + + builder開發了關于滑坡體穩定性綜合分析評價系統，使對滑坡體穩定性分析計算更方便、更準確； （ 5 ）將上述滑坡體穩定性綜合分析評價系統應用於重慶市豐都縣名山滑坡穩定性分析的具體事例中，分析結果表明，本文所提出滑坡體穩定性綜合分析評價方法對三峽庫區的滑坡穩定性分析是實用可行的。
  8. Directly etching method of chemically forming veined and granular aluminum alloys surface " which is the latest invention patent application number : 00117311. 1. the innovative and simple process is absolutely

    現在所提供的"鋁合金表面化學紋理直接蝕刻的方法"發明專利申請: 00117311 . 1是最新發明專利技術，創新而簡易的蝕刻工序在"鋁件表面處理"量產時對比于傳統的機械噴沙絕對是
  9. It has the characteristic of non - gear - box, large output torque, small volume, easy control, fast response, high track precision, high reliability etc. the system has potential advantages over substituting for traditional hydraulic or pneumatic missile actuator servo control system and has wide prospect in the fields of aerial actuator, servo valve, robot, radar antenna etc. the system ' s operation principle, control idea, functions and realization of each component are discussed in detail

    該系統在取代傳統的液壓、氣動導彈舵機伺服控制系統方面有很大潛力，同時在航空舵機、伺服閥，以及機器人關節的直接驅動、雷達天線等領域具有廣闊的應用前景。論文詳述了系統的工作原理與控制思想，以及系統方案的設計和各組成部分的功能與實現方法。
  10. In any situation whatsoever and wheresoever occurring and whether existing or anticipated before commencement of or during the voyage, which in the judgment of the carrier or the master is likely to give rise to risk of capture, seizure, detention, damage, delay or disadvantage to or loss of the ship or any part of her cargo, or to make it unsafe, imprudent, or unlawful for any reason to commence or proceed on or continue the voyage or to enter or discharge the goods at the port of discharge, or to give rise to delay or difficulty in arriving, discharging at or leaving the port of discharge or the usual or agreed place of discharge in such port, the carrier may before loading or before the commencement of the voyage, require the shipper or other person entitled thereto to take delivery of the goods at port of shipment and upon failure to do so, may warehouse the goods at the risk and expense of the goods ； or the carrier or the master, whether or not proceeding toward or entering or attempting to enter the port of discharge or reaching or attempting to reach the usual place of discharge therein or attempting to discharge the goods there, may discharge the goods into depot, lazaretto, craft, or other place ; or the ship may proceed or return, directly or indirectly, to or stop at any port or place whatsoever as the master or the carrier may consider safe or advisable under the circumstances, and discharge the goods, or any part thereof, at any such port or place ; or the carrier or the master may retain the cargo on board until the return trip or until such time as the carrier or the master thinks advisable and discharge the goods at any place whatsoever as herein provided ； or the carrier or the master may discharge and forward the goods by any means, rail, water, land, or air at the risk and expense of the goods

    四、不論任何地方任何情況，不論是在開航前或航程中存在或預料到的，只要承運人或船長認為可能有導致捕獲、扣押、沒收、損害、延誤或對船舶或其貨物不利或產生滅失，或致使起航或續航或進港或在卸貨港卸貨不安全、不適當、或非法，或致使延誤或難于抵達、卸載或離開卸貨港或該港通常或約定的卸貨地，承運人可在裝貨或開航前要求發貨人或與貨物權利有關的其他人在裝貨港口提回貨物，如要求不果，可倉儲貨物，風險和費用算在貨主頭上；承運人或船長，不論是續航至或進入或企圖進入卸貨港，或抵達或企圖抵達港口通常的卸貨地，或企圖在此卸貨，也可將貨物卸在倉庫、檢疫站、駁船，或其他地方；船舶也可續航或回航，直接或間接地，抵達或停留在船長或承運人在此情況認為安全或適當的任何港口或地點，全部或部分將貨物卸在此港口或地點；承運人或船長也可將貨物留在船上，直到回航或直到承運人或船長認為適當時將貨物卸到本合同所規定的任何地方；承運人或船長也可卸貨並將貨物用任何交通工具，經鐵路、水路、陸路、或空運轉運貨物，風險和費用算在貨主頭上。
  11. The results of research reveals the variation disciplinarian and the affected factor, defines the factor limiting the urban regional development. all these offer scientific references for reasonable city planning, municipal building project planning, reasonable arrangement of land use, the confirmation of land use intensity and the improving land use benefit. and a series of methods we have explored can apply the practical manipulation of grading and assessing urban land, which contribute to enhance working efficiency, shorten the time of evaluation, enhance the updating of urban land price, establish a system of dynamic superviso ry control and examination, and enhance accuracy and objectivity of urban land - rated evaluation

    再由球形檢驗和主成份分析、信度分析、多元回歸分析的技術路線，逐層遞深地解譯影響城市地價的主要因素及相互數量關系，其研究結果揭示了城市地價的變化規律和影響因素、明確了限制城市區域發展的因素，為合理的城市規劃，市政建設項目規劃，合理安排土地用途，確定土地利用強度，提高土地利用效益等提供了科學依據，同時探索的系列化方法可直接應用於城市定級估價的實際操作中，有利於提高工作效率，縮短估價時間，提高城市地價的現勢性，建立地價動態監控和測算系統，又可提高城市定級估價的準確度和客觀性，在理論上、學術和實踐上均有積極意義。
  12. Present methods generally based on the statistics of earthquake damage, expert experiences, theory analysis and experimental researches have obvious advantages, disadvantages and certain scopes of application ; ( 2 ) different prediction methods should be adopted against different building conditions, sites, intensity and experiences etc to predict earthquake damage of buildings for prospective accuracy, dependability and availability ; ( 3 ) earthquake damage matrix, which is the foundation of earthquake damage prediction, of 7 kinds of building in the urban areas of zhangzhou city under intensity 6 to 9 has been set up. the damage conditions of different buildings under different intensity are as followings : all kinds of structures are basically intact under intensity 6 ; the reinforced concrete structures are basically intact under intensity 7, but other kinds of structures are destroyed slightly ; the reinforced concrete structures are still basically intact while other kinds of structures are destroyed intermediately under intensity 8 ; the reinforced concrete structures are destroyed slightly, single - story factories and open houses are destroyed intermediately and other kinds of structures are destroyed seriously under intensity 9 ; ( 4 ) the results of earthquake damage predicting of buildings embody the damage when earthquake happens in the future. thus, further identifications and reinforcements should be considered to buildings that will be destroyed intermediately or more under the earthquake with 10 % exceeding probability in future 50 years ; ( 5 ) the direct economic losses caused by damage of buildings resting with the area, structural type, intensity and damage of all kinds of buildings are the main part of the losses of the city in an earthquake ; ( 6 ) the direct economic losses increased progressively toward high intensity by 2 or 3 times

    基於上述研究，得出的主要結論有：建築物震害預測是一個模糊的、系統的、復雜的問題，現有的方法很多一般都是以震害統計規律、專家經驗、理論分析和試驗研究為依據，有其自身的優缺點和一定的適用范圍；應針對不同的建築物條件、場地條件、地震強度和已有經驗等，採用不同的預測方法進行建築物震害預測，以使預測結果達到預期的精確性、可靠性和可操作性；建立了漳州市區7類建築物在6度9度地震作用下的震害矩陣，成為指導抗震防災的重要依據，各類結構的震害情況表現為： 6度地震作用下各類建築物基本完好； 7度地震作用下除鋼筋混凝土結構基本完好外其餘以建築輕微破壞為主； 8度地震作用下鋼筋混凝土結構仍以基本完好為主而其餘建築以中等破壞為主； 9度地震作用下鋼筋混凝土結構以輕微破壞為主，單層工業廠房和空曠房屋以中等破壞為主，其餘建築以嚴重破壞為主；建築物的震害預測結果體現了未來地震來臨時的震害程度，在編制漳州市區抗震防災規劃時，對于遭遇50年超越概率10的地震影響發生中等以上破壞的建築物應考慮進行抗震鑒定和加固；由建築物的破壞所造成的直接經濟損失是城市地震經濟損失的主要部分，重慶大學碩士學位論文中文摘要其主要與建築物總面積、結構類型、地震烈度和各類建築物的震害程度有關;不同烈度造成的直接經濟損失按2一3倍向高烈度方向遞增，漳州市區直接經濟損失由6度至9度的比例關系為1 : 2 . 8 : 8 . 6 : 22 . 8 ;遭遇基本地震設防烈度（ 7度）時，漳州市區直接經濟損失約4 . 5億元，無家可歸人員約40000人，且以磚木結構和多層磚混結構的震害損失最大;地震造成的人員傷亡主要與建築物倒塌及嚴重破壞的程度和總面積以及震時的建築物室內人數密切相關，地震時無家可歸人員主要與住宅倒塌、嚴重破壞及中等破壞的程度和總面積以及城市人均居住面積密切相關。
  13. Application intermediary serves the orgnaization of business to ought to sign up for sent material to have when offerring application : ( 1 ) requisition ; ( corporate organization proves 2 ) ; ( the resume of 3 ) legal representative, main staff member and concerned proof, place of orgnaization constitution, office and office facilities prove ; ( 4 ) has legal effectiveness with what foreign institution of higher learing or other education orgnaization sign directly study abroad at one ' s own expenses cooperative intent book or agreement ( medium, foreign language this ), and the foreign autograph of attestation of the diplomatic and consular missions outside be stationed in via our country makes an appointment with square corporate organization proof ; ( 5 ) asset proof or accountant office issued check endowment report ; ( area of the working plan that 6 ) drafts to begin intermediary to serve, administration and feasibility report

    申辦中介服務業務的機構在提出申請時應當報送的材料有： （ 1 ）申請書； （ 2 ）法人資格證實； （ 3 ）法定代表人、主要工作人員的簡歷和有關證實，機構章程、辦公場所及辦公設施證實； （ 4 ）與國外高等院校或其他教育機構直接簽署的有法律效力的自費留學合作意向書或協議（中、外文本） ，以及經我國駐外使領館認證的國外簽約方的法人資格證實； （ 5 ）資產證實或會計師事務所出具的驗資報告； （ 6 ）擬開展中介服務的工作計劃、行政區域及可行性報告。
  14. Epc ( engineering, procurement and construction ) tender is normally taken as the way of international power project bid, the management of bid of the turnkey contract ranged from project information collection, agent and sub - contractor selection, pre - qualification confirmation, site investigation, equipment and material price requisition, bid document and offer preparation. especially, the management methods for choice of project, agent and sub - contractor selection, the organization setting and skill of bid offer are difference from domestic project. the ability to manage the international epc bid activity is the key factor to win the project, and is very important to the operation of the wined contract

    涉外電力工程通常採用總承包方式招標，投標涉及項目的前期跟蹤、代理人及分包商的選擇、資格預審、現場踏勘及收集資料、設備詢價、編制投標文件及投標報價等投標全過程的各個方面，特別是項目的選擇、代理人和分包商的選擇、管理組織機構的設置、報價技巧等方面的管理方法與國內總承包工程投標有較大的差別，針對涉外電力項目工程的特點，如何運用管理方法和技巧進行管理，將直接關繫到項目投標的成敗，同時對中標后進行項目的實際操作也具有舉足輕重的意義。
  15. Applying relative arithmetic to all kinds of faults and calculating off - line, we can master time - distance relation chart for all kinds of faults. computation indicates : when transmission lines occur faults, the data window of protection algorithm consisting of prefault and postfault data at the same time has important significance. the following methods are useful to achieve the inverse time characteristic : calculating impedance by using flourier in a full cycle, calculating work voltage by using fault component, calculating the torque created by a phase comparator or a magnitude comparator

    實際的計算表明：輸電線路發生故障后，用故障前後的數據同時充滿保護演算法的數據窗，對于快速切除近區故障具有很重要的意義；同時利用故障前後的數據，下述方法可以比較好地實現距離保護的反時限特性：直接用全周傅里葉演算法進行阻抗計算；採用工頻變化量阻抗繼電器進行工作電壓的計算；採用轉矩的思想進行轉矩的計算。
  16. This paper, through the research on the implementing of gaobazhou water conservancy project, demonstrated that the project is technical feasible, economic reasonable, and is conform to the state macro policy in external environment. described the full - aspect management on the design process of gaobazhou water conservancy project, fully demonstrated that the selection of design scheme and the design quality is directly related to the investment, quality and progress control of the project ; described the full - aspect management on the construction process of gaobazhou water conservancy project, discussed the management procedure and manner of supervisor in the construction process, how does the contractor to complete construction task scientifically and reasonably by following the certain supervision procedure based on the contract ; described the management on the procurement of gaobazhou water conservancy project, clarified these cautions to be taken during material and equipment procurement through the discussion on the content of procurement contract ; described the project acceptance and after - event evaluation of gaobazhou water conservancy project, fully defined the content for the final acceptance of the project ; fully described the comprehensive management carried out on gaobazhou water conservancy project, mainly focused on the study of information management, communication management, conflict management and risk management, which ensured the smooth execution of the project

    本文通過對高壩洲水利樞紐工程項目實施的研究，論證了高壩洲水利樞紐工程項目在技術上是可行的，在經濟上是合理的，在外部環境方面符合國家的宏觀政策；闡述了高壩洲水利樞紐工程設計過程的全面管理，充分論證了設計方案的選擇及設計質量的高低，直接關繫到工程項目的投資、質量和工程進度的控制好壞；闡述了高壩洲水利樞紐工程施工過程的全面管理，論述了監理在施工過程中的管理程序和方法，施工單位遵循一定的監理程序，依據施工合同科學合理地完成施工任務；闡述了高壩洲水利樞紐物質設備的采購管理，通過對采購合同內容的論述，明確了物質設備采購時應注意的問題；闡述了高壩洲水利樞紐工程項目驗收及后評價，明確了高壩洲水利樞紐工程項目竣工驗收的內容；較全面地闡述了高壩洲水利樞紐工程項目實施的綜合管理，重點研究了保證高壩洲水利樞紐工程項目順利實施的信息管理、溝通管理、沖突管理和風險管理。
  17. In order to study the direct relation between oil - base drilling fluid performance and cement job quality, a new developed evaluation method ( artificial core method ) was adopted ; the effects of the oil - base drilling fluid system and its main components on the shear cementing strengths of the first and second interfaces in cementing operation were investigated ; and those of the different mix slurry ratios on the gel strength, initial set time, final set time of slurry and the compressive strength of bond cement were examined too

    摘要為了研究油基鉆井液性能和固井質量之間的直接關系，採用新建立的評價方法人工巖心法，考察了油基鉆井液體系及其主要組分對固井作業中第一、第二界面剪切膠結強度的影響規律，以及不同混漿比例下對水泥漿膠凝強度、初凝時間、終凝時間和水泥石抗壓強度的影響規律。
  18. Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail

    針對上面提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展方向，本論文重點做了以下幾個方面的工作，目的在於提高dtc系統的綜合性能： （ 1 ）提出一種新型的速度磁鏈觀測器，新型的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積分器從而提高磁鏈觀測的精度，並且根據popov超穩定性理論推導出轉速的新型自適應收斂律； （ 2 ）改善系統的低速運行性能，主要從提高低速時對定子磁鏈的估計精度入手，提出了一種提高定子磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正定子電阻參數； （ 3 ）採用數字信號處理器dsp實現系統全數字化硬體控制，結合ti公司生產的tms320lf2407晶元，設計了直接轉矩控制系統的實驗裝置； （ 4 ）提出了基於sercos總線網路化分散式的直接轉矩控制系統， sercos （ serialrealtimecommunicationsystem ）是目前最適合同步和協調控制的串列實時通信協議； （ 5 ）基本勾勒出整個控制系統的硬體和軟體設計基本框架，詳細描述一些實驗中的具體的細節問題。
  19. The optimum technic conditions have been gotten in in preparaing high dispersive a1 ( oh ) 3 colloid by controlling reactant concentration, ph value, reaction temperature, matured time. they are the prereguisite to prepare nanopoder of a - a1203. this paper entirely and systematically studies the following three kinds of drying stages : oven drying, dehydration with alcohols and azeotropic distillation stage

    本文採用逐步逼近法進行了氫氧化鋁膠體的沉降實驗，對膠體形成的體系反應物的初始濃度、體系的ph值、反應溫度和膠體的陳化時間進行了系統優化，並獲得了制備高分散氫氧化鋁膠體的最佳工藝參數；此膠體經過過濾、 80下烘乾后所得樣品，在掃描電鏡下直接觀察其粒徑為50nm ，且分佈范圍窄，顆粒的表面清潔，為球形。
  20. But its using has been limited because of the complex manufacture technology and high costing. so it will be good for expanding this composite using and have good social and commercial benefits, if wecan find out a simple technology to manufacture mosi2 / sic composite

    直接浸滲法制備mosi _ 2 sic復合材料時，具有工藝簡單，浸滲時保持預型件形狀和尺寸基本不變的獨到優點，這對于該材料的實用化具有十分重要的理論和實際意義。
分享友人
分享到 Line

分享到臉書