螺旋紋理 的英文怎麼說

中文拼音 [luóxuánwén]
螺旋紋理 英文
spiral grain
  • : 1. [動物學] (軟體動物) spiral shell; snail; conch 2. (螺旋形的指紋) whorl (in fingerprint)
  • : 旋Ⅰ動詞1 (旋轉) whirl 2 (用車床切削或用刀子轉著圈地削) turn sth on a lathe; lathe; pare Ⅱ名詞...
  • : 名詞(花紋; 紋縷兒) lines; veins; grain
  • : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
  • 螺旋 : 1 (具有螺紋的圓柱體 屬于斜面類的簡單機械) corkscrewspin; screw; spiral; helix 2 (螺旋現象;尾旋...
  • 紋理 : vein; lines; stripes; grain; graining; varvity; texture紋理方向 grain direction
  1. Twisting arises in boards through the presence of spiral or interlocking grain.

    翹曲多發生在或交錯的板材中。
  2. Abstract : this paper analyzes theoretically the effect of the reversed cone angle and length of the plug on restraint and elimination to the distortion of the internal spiral ribs, and put forth the design methods of the plug in drawing rifled tube

    文摘:從論上分析了芯棒倒錐角和芯棒長度對內凸筋形狀畸變的抑制和消除作用,提出了採用倒錐形等距芯棒拉拔內管時芯棒幾何參數的設計方法。
  3. The chiral compounds synthesized in the project have an unsaturated double bond, which can be mixed with polymerizable nematic liquid crystal compounds, and the resulting mixture can be polymerized to form an optical film having cholesteric liquid crystal texture

    具有可聚合基之光性化合物可添加於可聚合型向列型液晶單體中,聚合成具有膽固醇相、反射特定波長之光學薄膜,且較少用量之高扭轉力性質之光性化合物即可配出特定距之膽固醇液晶
  4. Because gyrotron traveling wave tube amplifier ( gyro - twt ) is an important millimeter wave amplifier with the characteristics of the high output power, the broadband width, and good efficiency, which has vast application vistas in many areas such as millimeter radar, communications, electronic countermeasure, and so forth, it has been pay much respect in the world

    行波管是一種大功率、高效率、寬頻帶放大器,在毫米波雷達,通信與電子戰等方面有十分重要的應用前景,因而在國際上受到高度重視。由俄羅斯人g . denisov等提出的波導是一種比較想的結構。
  5. The seamer is suitable for sealing various size of glass bottle, plastic bottle. it is perfect in performance, reliable in operation and easy in maintenance. so it is widely used in automatic packing lines for varioas kinds of wine, drink, pharmaceuticals, reagent, pesticide and so on. it is one of the most ideal screw type automatic sealimg equipment

    本機適用於玻璃瓶,塑料瓶,三(四)蓋的合封口工序,其性能完善,工作可靠,操作方便,維修容易,在各種酒類,食品,飲料類,醫藥,化工,試劑,農藥等到自動包裝流水線上均得到廣泛應用,是國內目前最想的自動合式封口設備之一。
  6. Artificial spiral grain

    人造螺旋紋理
  7. This paper studied the dispersion and the field distribution of the wave - guide with helical corrugation operating in 8mm wave band. the main works of this dissertation are listed as following : 1. based on the theory of coupled - wave, using the method of perturbation, the coupled - wave equations are derived and the rule of coupling is gotten. 2

    2 .利用波導的耦合波方程和模式耦合規則,得到波導色散方程,利用visualfortran平臺編程進行數值模擬,分析相關物參數對色散特性的影響;對波導的行波幅值耦合方程進行數值模擬,從而簡化了耦合方程,在此基礎上利用visualfortran平臺編程進行數值模擬,分析波導的場分佈情況。
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