diameter of shell 中文意思是什麼
diameter of shell
解釋
外殼直徑-
Hollow ferrites particles are the alternative to conventional solid ferrites particles, which have lower density, larger specific surface area and stability. moreover, it is expected electromagnetic wave can be reflected and absorbed again and again in the cavum of hollow particles which become its black hole. in addition, their electromagnetic parameters can be adjusted in a certain range by changing the thickness of the shell and the diameter of hollow microspheres, and the ability of absorbing microwave can be expected to improve
空心結構的鐵氧體是對傳統實心鐵氧體的改造，不僅密度小，還具有特殊的電、磁功能，有可能使電磁波在其空腔中反復振蕩吸收，成為電磁波的「黑洞」 ，從而增加材料的吸波能力，同時可通過調節核殼粒子的內外徑來調控電磁參數。 -
Considering different soil spring models for vertical fault movement and horizontal fault movement, two damage cases of pe pipeline in ji - ji earthquake have also been simulated. the large deformation of a buried pipeline under fault movement is investigated in the 4th chapter. to examine the inelastic behavior of buried pipelines, the parametric studies on pipe material property, diameter ( d ), diameter - to - thickness ratio ( d / t ), crossing angle ( ), as well as soil stiffness, have been conducted using a shell - spring fem method
對於0 p三90 」的情況，當斷層位移相對管徑還不是很大時（管子內的彎曲應變與軸向拉伸應變相差不大的情況） ，斷層附近管子變形形式與梁相似；當斷層位移相對管徑很大時（管子以軸向拉伸應變為主的情況） ，斷層附近的管子軸線變形為一圓弧，管子表現得像一條沒有彎曲剛度的索。 -
They are hoop - shaped drums with a diameter that is much greater than the depth of their shell
簡單來說只要鼓面的直徑比鼓框的深度大或兩者相等，均可稱為框架鼓。 -
And eight different flow orders, in accordance to two different design conditions : the total number of heat tubes or the inner diameter of the shell ; 2
系統具備兩種自動布管功能：已知殼體內徑布管和已知換熱管根數布管。 2 -
Abstract : in the light of the problem of multiple variables restrain in the design of pipe heat exchanger, it is proposed taking three variables, the pipe length, ratio between the table flap space and the shell outer diameter, and ratio between the pipe space and the pipe outer diameter, as optimization criterion
文摘:針對管式換熱器設計過程中幾何關系的多自變量約束難題，提出了以管長、折流板間距與殼外徑之比、管間距與管外徑之比三個設計變量作為優化判據。 -
Abstract : based on the basic concept of the revolving shell, the equation of the middle surface generatrix of the approximate ellipsoid portion of the ellipsoidal head is derived, the unwrapped area and the unwrapped diameter of the ellipsoidal head are calculated, the result is compared with that of derived from the real ellipsoid and that of calculated from the empirical equation, relative chart and code are given out, which could be used by manufactures for reference
文摘:根據回轉殼體的基本概念，推導了橢圓封頭的近似橢圓殼部分的中面母線方程，據此推導計算了橢圓封頭的展開面積及展開圓直徑，並根據橢圓殼幾何形狀推導的結果與經驗公式所得結果進行了比較，給出了有關圖表及計算程序，可供製造單位參考使用。 -
The constructing technique, of the 160 ? meter diameter welding ball junction double - deck net shell steel structure roofing, of which is in the leading position in china
160米直徑焊接球結點雙層網殼鋼結構屋面施工技術在國內處于領先地位。 -
Large diameter cylinder shell structure is a new structure applied in port engineering, because of the simple construction, economization of materials, good condition of the force suffered, rapid speed of the construction, little cost and good wear, it is attached importance more and more in engineering field
大直徑薄壁圓筒結構是一種新型的碼頭結構型式，該結構具有結構簡單、材料用量省、受力條件好以及施工速度快、造價低、耐久性好的優點，越來越受到工程界的重視。 -
This paper discussed the total process of fabrication for big diameter vertical heat exchanger, including mostly tubesheet machining, technics request of tubesheet piecing - up, and weld request of tubesheet - to - shell ; measure of machining for square manhole and measure of square manhole - to - shell weld for preventing distortion ; taking special machining technics arid check up method for request of plane degree and check up method upon tubesheet
摘要介紹了大直徑立式換熱器的製造過程，主要包括管板拼接、加工的工藝要求以及管板與筒體焊接要求；同時對方形人孔的製作及其與筒體的焊接防變形等採取了一定的措施，對管板上端面平面度的要求採取了特殊的加工工藝及檢驗方法。 -
The micropcms were prepared by using in - suit polymerization with prepolymer of melamine - formaldehyde ( mf ) and charactized the properties such as shape, diameter distribution, thermal prosperities, strength, shell thickness and penetration property
利用激光粒度分佈儀、 sem 、 dsc和tg分別研究了所得微膠囊的粒徑分佈、表面形態及熱性能的影響因素。 -
The shell thick is linear with the average diameter of capsules while the weight proportion of the shell to the core is constant. the shell thick decreases with the increase of the stirring rate
在囊壁囊芯比例固定的條件下，囊壁厚度與膠囊粒徑呈線性關系，且隨轉速增加而減小。 -
Structural characterization revealed that nanocables composed of discontinuous crystalline in core with diameters of 200 ~ 500nm and amorphous silica shell with diameter from 300 ~ 600nm
近一步?定得知，非晶相之二氧化矽管壁包覆著間斷的結晶性銦奈米棒，其管壁外徑約300 ~ 600奈米、內徑約200 ~ 500奈米。
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