形狀復原 的英文怎麼說
中文拼音 [xíngzhuàngfùyuán]
形狀復原
英文
recovery of shape-
When measuring the magneto performance parameter , we find that the instrument which use to measure voltage and current is still the simple voltmeter and amperemeter in the national standard , and the form of wave that we observed is anomaly. based on the measure principles, it obviously ca n ' t be used to do quantitative analysis ; because the discharge process of ignition system is quite complex, accompanies with very strong electromagnetism interference, and the ignition current and voltage are variable , it make the measure of ignition energy become a difficult thing of ignition system performance detection
在磁電機常規測量時,發現在國家標準中用於測量電壓、電流的儀器仍然是普通的電壓、電流表,而觀測到的波形多為不規則的形狀,根據測量原理,顯然不能用其來做定量的分析;由於點火系統的放電過程比較復雜,伴隨著很強的電磁干擾,點火電流、點火電壓都是變量,使得點火能量的測量成為點火系統性能測試的一個難點。On basis of the fact that some organs in the highflower usually appear pappus - a carpellary marked trait, or carpellary morphological trace or anatomical character in the process of transforming development, deem that the highflower origins from the heteromorphic development of carpellary primordium. furthermore, the course and mode of heteromorphic development of different organs in the highflower have been described, and according to the organ composition in highflower, the prolification flower is divided into green prolification, colorful prolification, golden prolification and three - strata prolification
其上方花轉化初期的花萼片、花瓣和雄蕊中總表現有心皮的標記性性狀? ?被毛、帶有心皮的形態和解剖結構痕跡,上方花花萼片的解剖結構中存在有類子房結構,花萼片、花瓣和雄蕊與心皮形成復合結構等,提出其上方花的各類器官都是由心皮原基異形化轉化發育而形成的觀點。The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film
試驗結果表明:所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求;聚四氟乙烯樹脂熱分解溫度超過400 ,但在ptfe中加入無機填料會使復合材料吸水率提高,熔融溫度及分解溫度降低,且伴有氧化分解反應;碳纖維表面含有c = o及c - o - c等極性基團,有利於提高其與其它組分的相容性,提高層間剪切強度;均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系,擬合曲線基本能表示各配方的摩擦系數發展趨勢;配方中不加銅粉或不加石墨,其摩擦系數均較高,說明銅粉和石墨應該配合使用;當銅粉15份、石墨60份時,銅粉30份、石墨30 - 40份時,銅粉60 、石墨15 - 30份時,摩擦系數均具有較低值;純聚四氟乙烯樹脂在空氣冷卻時結晶度最大,磨損量也是三者中最大的;同時,固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的:不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副,在金屬表面均可形成潤滑轉移膜,從而減少金屬摩擦副表面間的直接接觸,大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。According to the shape recovery properties, the anticorrosion property to crude oil and the mechanical properties we not only choose the proper underlayer material for the intercrossing method in repairing old pipe, but also ascertain the appropriate craftwork
根據材料的形狀回復能力、耐原油腐蝕能力和力學性能,篩選出了穿插用的襯管材料;確定了適合於穿插法修復舊管道的工藝,並初步應用於穿插法修復舊管道的實驗中。At last the material and the craftwork are attempted to repair a pipe. the results show that : firstly, all of hdpe / elastomer, xlpe, hdpe / dynamic vulcanization elastomer can obviously improve the shape recovery properties of hdpe ; the shape recovery properties of hdpe / nr is the best among the three kinds of blended system hdpe / epdlvl hdpe / nr and hdpe / nbr, but the mechanical properties and flow behavior will decrease in a certain degree. secondly, hdpe and hdpe ( 2480 ) / nbr ( 15 % ) have the better anticorrosion to hot crude oil, and the anticorrosion of ldpe is the worst ; thirdly, the content of elastomer should be about 15 wt % if the blended system is used in the intercrossing method in repairing old pipes
結果表明: ( 1 ) hdpe彈性體、 xlpe 、 hdpe動態硫化彈性體能夠顯著改善hdpe的形狀回復能力;在hdpe epdm 、 hdpe nr和hdpe nbr三種共混體系中, hdpe nr的形狀回復能力最好, hdpe彈性體共混體系的力學性能和流動性能隨彈性體含量增加而降低; ( 2 ) ldpe耐80原油腐蝕性能很差, hdpe耐80原油腐蝕性能良好;共混體系中hdpe - 2480 nbr ( 15 )耐80原油腐蝕性能良好; ( 3 )作為穿插法修復舊管道的襯管材料,共混體系中彈性體含量以15為宜。Our results show that pmd induces pulse broadening randomly in high bit - rate optical fiber communications ; the synchronous amplitude modulation control may correct directly any position change of timing jitter and soliton interaction, so the transmission distance and pulse quality will increase further
研究結果表明對于高速率傳輸系統, pmd對脈沖的影響在時域上表現為脈沖形狀的展寬,這種展寬是隨機的;而同步幅度調制是在時域上,將發生形變的脈沖通過振幅調制,恢復原形,從而提高脈沖的傳輸性能。Its ' weakness is that the shape recovery property is not ideal and the anticorrosion property in 80 ? crude oils is so bad that it is limited in the oil pipeline on - line application
其缺點是形狀回復能力不夠理想、耐80原油的腐蝕性能較差,因而影響其在輸油管線上的應用。In this paper, 130mm diameter hot - rolled bars ( 3 transus temperature is 798 c ) were used in experiments. the superplastic property of ti - 1023 alloy was studied systematically by the experiments of tensile and compression. the preparation method of fine - crystalline structure and the processing parameters of superplastic forging are optimized
本文以130mm熱軋棒材為原材料,通過超塑性拉伸和超塑性壓縮試驗,對ti - 1023合金的超塑性進行系統研究,研究坯料細晶組織制備方法,優化超塑成形工藝參數,為高筋薄腹板復雜形狀ti - 1023合金鍛件超塑性等溫模鍛工藝的制定提供試驗依據。Wearable and anti - eroding coat is added after renewing the shape and dimensions to insure the life of mixer blade
修復后的攪拌槳葉是在恢復原有的形狀后,表面再施加抗磨抗腐蝕耐磨塗層,確保攪拌槳的使用壽命。As the legged system has a similar dynamics to that of three - dimensional inverted pendulum mode, whose supporting point is equivalently located at the zmp, what is more, there is dynamical relationship between the zero moment point ( zmp ) and the center of gravity ( cog ), so this paper proposed the method that controls the cog of the whole humanoid body system in real - time through the 3 - d inverted pendulum based on variable zmp : first, the irregular terrain analyzed and described, the author proposed an usual obstacles - spanning method, based on the position and the shape of obstacles, the author programmed the smooth trajectory of anklebones
由於機器人的腿系統和三維倒立擺模型有著相似的動力學特徵,模型的支撐點就是機器人的零力矩點zmp ,另外零力矩點zmp和重心cog之間存在著動態關系,本文採用基於可變zmp的三維倒立擺動力學原理來對類人猿機器人進行質心軌跡生成。首先,通過對復雜地況進行分類統一描述,提出了一套通用的越障軌跡規劃方法,結合復雜地況下障礙的位置和形狀,規劃了機器人連續的踝關節軌跡。The relation between rheological breaking ratio and plastic work is set up according to the equation relation between outer plastic work and energy of plastic deformation. it is helpful to the understanding of elasto - plastic constitutive relationship of rockfill and braking of particles. based on analysis of test result, in - site observation data, this paper put forward a quantitative relation between rheology and valley shape, rockfill mechanical parameters, such as dry density, compressive modulus, softening factor, pore ratio, etc. the main factors influencing the rheological behavior of rockfill can be classified into inner factors and outer factors
堆石作為面板壩的主體,影響其流變的因素頗多且十分復雜,既有內因也有外因,根據試驗、原型觀測資料對內外因素所做的分析,本文提出了流變與河谷形狀等外因、流變與壩體常規物理力學指標等內因的定量關系和影響堆石流變的多因素綜合表達式,由此建立了堆石流變與堆石常規物理力學指標(如干密度、壓縮模量、軟化系數、孔隙比等等)之間的聯系。( 4 ) a new rack was developed according to the principle of rack designing and actual shape of the plastics part. the equipment available was reformed for ni - sic composite plating
( 4 )根據掛具設計的基本原則以及實驗所用塑料零件的實際形狀設計摘要了電鍍掛具,並利用現有設備進行改造進行ni一sic復合鍍。It is very strong, and can stretch to add one - third more to its length, then snap back to its original length without change in shape
絲的質地非常堅韌,能被拉長並超出其原來長度的三分之一,接著又砰地一聲回復到它原來的長度而不改變形狀。Secondly, the specific configuration and functioning principle of shape memory alloys re - centring damper is introduced. the mechanical property of damper under static reversed loading is analyzed by program, and the hysteretic curve is obtained
其次,簡述了形狀記憶合金自復位阻尼器的構造形式和工作原理,編制計算機程序並對阻尼器在靜力循環荷載下的力學性能進行了分析,得出其滯回曲線。Contrarily, w - cu powder prepared by reducing the mechanically mixed wo3 - cuo oxides has a particle size ranging from 0. 1 to 1 m with irregular partic le shape and non - uniform distribution of w and cu composition
而機械混合氧化物共還原法制備的w - cu復合粉顆粒較粗大,其粒徑分佈范圍在0 . 1 1 m之間,顆粒形狀也並不規則。Though originally meant for automotive springs, gaskets and the like, the patented metal compositions are too costly for anything other than specialized premium applications such as microscrews, shape - recovery eyeglass frames ( in production ), medical implants and catheters, heat - tolerant springs for spacecraft, even long - hitting golf clubs
雖然這項發明原來是針對汽車的彈簧、墊圈和類似的零件,但是此種專利金屬材料太過昂貴,只能用在非常特殊的高級零件,例如微形螺絲、能自動恢復形狀的眼鏡框(已量產) 、醫療用植入物及導管、太空船用的耐熱彈簧,甚至是揮長桿用的高爾夫球桿。In the beginning of this thesis, types and characteristics of intelligent material elements have been introduced. and the basic equations of piezoelectric material have been given. then according to hamilton principle, both the static and dynamic finite element equations for the intelligent structure are formulated with isoparametric element of bending plate or bending beam
在本論文的開始,簡要介紹了智能材料元件的種類和性質,並給出了壓電材料的本構方程,然後根據hamilton原理,採用任意等參四邊形板梁彎曲單元,導出了智能梁的靜態、動態有限元方程;對于復雜幾何形狀或邊界條件的一般結構,根據三維有限元模型,導出三維動態有限元方程。While it may not be necessary to use six orthographic views depending on part complexity, the front, top and right views are preferred, if all the six views are needed, they must accord with the projection rules and should be arranged as shown in fig. 2, and meantime the view names needn ' t be signed
選用原則:並非任何機件都需要畫出六個基本視圖,應根據機件形狀的復雜程度和結構特點,選用若干個基本視圖,一般情況下優先選用主、俯、左視圖。Rapid prototyping manufacturing ( rpm ) and rapid tooling ( rt ) can rapidly fabricate complicated prototypes and various mould & dies of higher dimensional precision and better surface roughness respectively. with those technologies, the objective of rapid product development ( rpd ) can be achieved consequently
快速成型技術( rpm )與快速模具製造技術( rt )能分別用來快速製造具有復雜形狀的原型及具有高尺寸精度和低表面粗糙度的各類工模具,因而利用這兩種技術能實現快速產品開發的目的。People cannot look down on you unless you ' re looking up at them. since you ' re the one who made these people bigger than life, restore them to life - size
人們不會看輕你,除非你看重他們,既然是你誇大了他們的形象,那麼恢復原狀就好了。分享友人