熔點計 的英文怎麼說
中文拼音 [róngdiǎnjì]
熔點計
英文
meldometer-
The result shows that all these system are simple eutectic, at the same time, the entropy of phase change of every system in the eutectic point is determined by using differential scanning calorimetry ( dsc ) on the basis of experimental research, through the improved one - parameter margules equation by introducing a new variable temperature, the improved equation was designed to compute solid - liquid equilibrium
測定結果表明，這幾組體系均為簡單低共熔體系；同時利用差熱掃描量熱法（ dsc ）對上面各組體系低共熔點處的相變焓進行了測定。在實驗研究的基礎上，通過改進單參數margules方程並引入新的變量溫度，達到了將此方程用於固液平衡計算的目的。Through the research of crosslinking of matrix resin, heating treatment of composite and mixing of different polymer, we draw some conclusions : 1 、 percolation theory can explain the phenomenon of the jump of resistance when the content of cb reach a critical volume ; 2 、 based on ohm conduct theory, abounded to the percolation the wbibull statistical theory and other theory, an adapted theory was obtained to explain the jump of resistance and the other phenomenon ; 3 、 the ntc phenomenon was eliminated by crosslinking the matrix of conductive composite, at the same time the stability of composite was improved
通過對基體樹脂的交聯、復合材料的熱處理、聚合物共混物的研究得出了如下的結論： 1 、滲濾理論能夠很好的解釋導電粒子含量達到某一值時電導率劇增的問題； 2 、在歐姆導電模型的基礎上，綜合應用了weibull統計理論模型，結合原來的體積膨脹等理論，成功的解釋了ptc復合材料在基體材料熔點附近的跳變問題、 ntc現象以及熱循環穩定性等問題； 3 、有機ptc導電復合材料經硅烷交聯以後能夠消除ntc現象，改善了導電復合材料的穩定性能。The elastic constants of bcc li, na and fcc al crystals have been evaluated as functions of pressure and temperature by using a new model together with ab initio electronic structure and total - energy calculations. in the model it is considered that the elastic constants of crystals at a given temperature and pressure can be calculated using a conventional density functional method but modified by a new set lattice constants due to the isobaric volumetric thermal expansion when temperature rise from absolute zero to the given one
本文對高壓及有限溫度立方金屬彈性常數的計算方法進行了研究，建立了一種考慮溫度效應的物理模型，基於這個模型和從頭算方法，對典型的立方晶系金屬li 、 na 、 al在高壓及有限溫度（熔點以下溫度）彈性常數進行了計算，取得了與已有實驗結果較好相符的計算結果。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 。Abstract : design ideas, technical features and system architectures of advanced process control for polypropelene units were introduced together wit h on - line calculations for the controlled variables such as the yield of polypr opelene, concentration of monomer, hydrogen concentration in liquid phase and the melt flow rate index. attentions in implementation were pointed out
文摘:介紹聚丙烯裝置先進控制技術的設計思想、技術特點和系統構成，並介紹產率、漿液濃度、液相氫氣濃度、熔體流動指數等被控變量的在線計算，指出了實施中應注意的問題。Due to two work states - - - arc burning and short current - - - existed in welding process of consumable electrode welding, and different control objectives in these two states, two close - loop feedbacks are designed in the control system : welding voltage feedback and welding current change rate feedback
根據熔化極co2焊機具有燃弧和短路兩種工作狀態，且兩種狀態下控制目標不同的特點，在控制系統中設計了雙閉環反饋：焊接電壓反饋及焊接電流變化率di / dt反饋。This paper is mainly concerned about how to purify the industrial products of the antioxidant d and bht, how to determine their purities, determining their purities and the purities need to be more than 99 %. in order to attain this objective, the recrystalizing method is used to purify antioxidant d and antioxidant bht. the methods of high performance liquid chromatography ( hplc ) is used to determine the chemical composition of the antioxidant d and bht, it is qualitative analysis
本論文是以防老劑d與bht工業品為主要原料制備防老劑d與bht標準物質，首先進行了防老劑d與bht的提純和熔點的測定試驗，並通過實驗確定了防老劑d與bht重結晶提純工藝；然後設計區域熔融裝置，擬定操作規程和技術條件，通過用區域熔融法提純重結晶后的防老劑d和bht產品滿足標準物質的純度要求。The selection of pipe wall thickness, the calculation and design key points of the melt flow, melt pipe flow pressure fall and melt flow speed in the design of melt pipes were introduced in detail
摘要介紹了熔體管道設計中管道壁厚選擇、熔體流量、熔體管道流動壓力降和熔體流速等計算方法和設計要點。After several typical foreign desktop systems had been studied, mem ( melted extrusion manufacturing ) process was chosen as the molding process of the first rapid prototyping desktop system in china, mem200 - d, which combined our technical advantages and design experiences. by using the mechatronic design and modularization method, the system scheme design, layout design and part / assembly design have been achieved
作者在研究了國外多種典型的桌面化快速成形系統的工藝、特點之後，結合自身的技術優勢和設計經驗，選擇熔融擠壓製造工藝（ meltedextrusionmanufacturing ，簡稱mem ）作為國內第一臺桌面化快速成形系統mem200 - d的成形工藝，同時應用機械電子學產品設計方法，結合桌面化快速成形系統的特點，以模塊化設計思想完成了mem200 - d桌面化熔融擠壓成形系統的總體方案設計、結構布局設計和零部件設計。Abstract : according to characters of different research ways, the research development of thermodynamic models of metallic melts is systematically introduced, such as solution model method, geometrical model method, interaction coefficient method, analytical method and experienced model method
文摘:根據不同研究方法的特點，綜述了溶液模型法、幾何模型法、相互作用系數法、解析計演算法以及經驗模型法等金屬熔體熱力學模型的研究進展，並對這些方法進行了簡要的評述。At the same time, based on weld pool image characters, a method for image processing is presented, in which gray - scale morphological operators is used to process weld pool images. by this method, the important geometrical parameters of weld pool are measured
同時結合實際的焊接自動化中熔池圖像的特點，詳細介紹如何利用灰度形態學，設計基於com的形態處理運算元，並且實時提取熔池的最大寬度、半長、後部面積、后拖腳等重要的幾何參數。The steel driver cab serving in ha - trains was adopted as the design prototype ; an integral composite driver cab ( icdc ) was investigated and designed in this paper based on the excellent characteristic of the composite materials and the resin film infusion ( rfi ) process technology
本文以正在服役的鋼制哈車（出口哈薩克斯坦）機車司機室為設計原型，在充分發揮復合材料優異的承載性能基礎上，結合樹脂膜熔滲工藝（ rfi ）特點研究設計復合材料整體司機室。By the numerical results basic physical processes of electrode erosion are investigated, the relations between eroded volume of electrodes and some characteristic parameters of electrode materials such as heat conductance, specific heat, melting point, boiling point and so on were obtained, and erosion - resistant capabilities of copper, tungsten and aluminum were compared
通過計算研究了電極燒蝕過程的基本物理圖象，得到了電極材料燒蝕量與材料熱導率、比熱、熔點、沸點等特性參數的關系，並比較了銅、鎢、鋁三種電極材料的耐燒蝕能力。The design consideration and working effects of mid and small size glass electric furnace
中小型玻璃電熔爐的設計要點和運行效果To avoid the people mis - operation after the contacts melt in the mccb, our mccb of to - 50e 100ec 100eb, 600a and above frame sizes have latest safety design of mechanisms, delivering the function of isolation which ensure the handle not positioning to the trip or off position
Bo - 50e c 100eb及630eb含以上型號採用新式安全設計機械結構，備有isolation功能可確保斷路器把手在觸點熔著時，把手不會跳到trip或off的位置，以避免人員誤判而發生觸電事故。To avoid the people mis - operation after the contacts melt in the mccb, our mccb of to - 50e100ec100eb, 600a and above frame sizes have latest safety design of mechanisms, delivering the function of isolation which ensure the handle not positioning to the trip or off position
Bo - 50e （ c ） 100eb及630eb （含）以上型號採用新式安全設計機械結構，備有isolation功能可確保斷路器把手在觸點熔著時，把手不會跳到trip或off的位置，以避免人員誤判而發生觸電事故。Standard test method for measuring the viscosity of mold powders above their melting point using a rotational viscometer
利用旋轉米度計測量模製粉末熔點以上粘度的標準試驗方法Abstract : the review presents the recent status and achievements on numerical simulation studies of solid rocket motor chamber internal flow field from three aspects, including numerical analysis of internal flow during the ignition transient period, fin - slot flows in solid rocket motor, and calculation of particle trajectories and slag deposition. it also puts forward the focal points of research on numerical simulation of solid rocket motor chamber internal flow field in our country
文摘:從三個方面介紹了固體火箭發動機燃燒室內流場數值模擬研究的現狀及取得的成果，包括發動機點火傳播及起動過程的數值研究，翼環槽內流場研究和粒子軌跡、熔渣計算，並對我國開展此項研究的重點提出了建議。分享友人