振紋 的英文怎麼說
中文拼音 [zhènwén]
振紋
英文
chatter mark-
Many large capacity turbine runners in commercial running have come to cracks or vibration problems with different extent in china. therefore, to ensure the large francis turbines running safely and stably is an important issue on design and type selection research
在我國陸續投運的大型水輪機轉輪相繼不同程度地出現振動與裂紋,因此,保證大型混流式水輪機的安全穩定運行就成為設計選型研究的重要問題。Analysis of dynamic characteristics of the crack rotor
裂紋轉子振動特性的研究Raw materials, felt ? fabrics ? brake and clutch lining ? thermal insulation ? pipe and tube insulation ? rubber and foam rubber ? polyurethane ? plastics ? wood ? glass ? ceramics ? graphite ? wax and casting compounds ? metals ? wire ? expanded metal ? shim stock ? foils ? magnets ? bumpers ? edge trim ? grommets ? grips, caps and plugs ? bellows
聚氨酯膠粘劑,超級膠水,螺紋密封墊圈,密封和粘合劑,建築膠粘劑,紙箱封口膠帶,電氣膠帶,密封圈,減振條;絕緣橡膠,泡沫橡膠,塑料,金屬絲,金屬墊片Many experiments indicate that flocculus steel balls possessing reticulate veins surface tend to elastic fluid kinetic lubricating layer and improves of the lubricating conditions of bearings. the bearings become quite, and have long life. therefore, in this paper we bring forward a new method to process flocculus steel balls possessing reticulate veins surface
而且許多實驗表明:表面呈現網狀紋理形貌的「絨面」鋼球,有利於鋼球和套圈之間的點接觸區域形成全膜彈流潤滑層,使得軸承的潤滑狀態得到改善,從而實現軸承減振降噪和提高壽命的目的。Because color isochromatic fringes appear in the stress model based on a plane polariscope in white light, we studied the problems systematically by a digital camera as image inputting device, digital image processing technique and bp artificial neural network. based on the work that has been reported before, a technique named five - step color phase shifting technique ( fcpst ) to acquire single isoclinics is presented
根據白光入射時應力模型在偏振儀光學系統中的等色線條紋是彩色的特點,本論文採用彩色數碼相機作為數據採集與輸入設備,結合彩色信息圖像處理和bp神經網路等新技術,對上述兩個難題進行了系統的研究,獲得以下成果:在綜合前人工作的基礎上,提出獲得全場單純的等傾角相圖的五步彩色相移法。Integrating tynman system with polarized system together, the laser interferometer is compatible for the surface with different reflectance. first, on the basis of synthesizing different interferometric microscope, the author introduced a kind of lase interferometer combining polarized interferometry and real - time phase detection algorithms. first, a kind of optical configuration is introduced, which is realized in the above interferometer
本文在分析了國內外不同干涉顯微系統的基礎上,根據干涉顯微測量方面的需求提出了採用偏振干涉和條紋掃描方式實時檢測波面位相的激光干涉顯微系統,提出了一種可用於表面微觀輪廓及粗糙度參數測量的光學顯微干涉系統的光路,然後介紹了條紋掃描波面位相實時檢測技術以及四步移相法,並在此基礎上完成了光學系統及相關的機械結構。Elliptical waveguides have found wide applications in a variety of microwave components : waveguide filters, radiators, resonators, and wide - band transmission lines, etc. periodic - loaded waveguides play very important roles in high - power microwave tubes, corrugated antennas and linear accelerators
在各種微波器件如濾波器、輻射器、諧振器和寬帶傳輸線中橢圓波導有著廣泛的應用。周期加載波導在高功率微波管、波紋喇叭和線性加速器等中起著重要作用。Figure 6. 20 illustrates a commercially available fringe multiplication and fringe sharpening apparatus mounted on a polariscope specially designed to facilitate these applications.
圖6.20所示為一臺市售的條紋倍增和細化裝置,它安裝在一臺便於使用的專門設計的偏振光彈儀上。Figure 6. 20 illustrates a commercially available fringe multiplication and fringe sharpening apparatus mounted on a polariscope specially designed to facilitate these applications
圖6 . 20所示為一臺市售的條紋倍增和細化裝置,它安裝在一臺便於使用的專門設計的偏振光彈儀上。This paper is about studies of a new type of shale shaker using a new roller - structure screen, which is made by winding the normal flat screen or corrugated pyramid screen into rotter screen, and can be installed on the shale shakers being used in the oil fiem
本文研究了一種採用新型筒式結構篩網的鉆井振動篩,其篩網是將普通平板篩網或波紋錐形篩網卷製成筒形結構,並可安裝在現有的鉆井振動篩上。The factors which affect the spl : the square measure of diaphragm, the amplitude of vibration, magnetic field intensity, power, impedance, resonant chamber, the pattern and the thickness of diaphragm, and the holes
音量會影響聲音大小的因素:膜片面積,振幅,磁場強度,功率,阻抗,音腔大小,膜片花紋/厚度,開孔The main beam of type 4sw - 40 potato digger easily engenders crack or breaking damage in the practical application. therefore, by means of modern test technology, the paper does some research on the vibration of the separating sieve and its influence on dynamic load of the main beam under the condition of laboratory
4sw ? 40型馬鈴薯挖掘機在實際生產中主粱易出現裂紋或斷裂破壞。為此,本文提出在實驗室條件下,利用現代測試技術,就分離篩的振動及其對主梁的動載作用作研究。The vibration measurement using espi and crack detection of a plate with a crack
含裂紋平板的電子散斑振動測量與識別Combined with the graph correlating the first resonance frequency with driving point location, the method localizes the crack by monitoring a jump in the graph
結合裂紋梁第一階諧振頻率與驅動點位置關系曲線,利用曲線上出現的突變點,準確地識別了梁的損傷狀態和裂紋損傷位置。The main contents of this paper is according to the structural characteristic of forced vibration, making use of the varying quantity data of free frequency of two different physical cantilever beam on the structural damage experiment basis, then using the bp network, genetic algorithm and the genetic bp algorithm to build up relation model between position, extent of structural damnification, and the varying quantity of free frequency
其主要內容就是根據結構受迫振動特性,利用試驗測得兩根不同物理性質懸臂梁在受損傷產生裂紋前後的固有頻率改變量,使用bp網路、遺傳演算法、遺傳bp演算法,建立了結構損傷的位置、程度與結構固有頻率損傷前後改變量之間的關系模型。The teflon compensator, may call the corrugated pipe, also called theinflation festival, it may use for to eliminate the pipeline, thevessel either the equipment and so on the expansion and contractionwhich causes because of the climatic change or because otheroriginally thus cause heat expansion or displacement ; as one kind ofslow shaker
聚四氟乙烯補償器,可稱波紋管,又稱膨脹節,它可用來消除管道、容器或設備等因氣候變化而引起的伸縮或因其他原因而導致的熱膨脹或位移;作為一種緩振器。But some problems with self - compacting concrete such as high slump loss and the difficulty of harmonizing the cohesiveness and the flowability should be solved. the theory of concrete mix design should also be perfected. in accordance with these problems, this thesis carry out such research works as follows to deal with them
然而,免振搗混凝土特別是高強超高強免振搗混凝土坍落度損失大,粘聚性和流動性難以統一以及易產生收縮裂紋的問題亟待解決;免振搗混凝土的配比設計理論也需要進一步地加以完善。A new method for quantitative evaluation of chatter marks for cylindrical grinders is presented in this paper
摘要本文就外圓磨床振紋量化技術作一探討,並提出一個簡單而直接的振紋量化方法。The results show that the method is very simple and useful and it can also be applied to the identification of the chatter marks of machine tools
由結果得知,本文所提之方法除了使用上極?簡便外,亦可做?工具機振紋成因診斷之一輔助工具。The method uses frequency components of the marks and the corresponding amplitudes as the indexes for the quantitative evaluation, which can be obtained directly from the surface roughness measurement system
此法以振紋之頻率成分及其振幅為量化之指針,其值可直接由三維表面粗度量測系統求得。分享友人