poor metal 中文意思是什麼

poor metal 解釋
主族金屬
  • poor : adj 1 窮，貧窮的 （opp rich wealthy）。2 （收獲）少，差，不夠。3 （衣裳）破舊的，不體面的；卑劣的...
  • metal : n 1 金屬；金屬製品；金屬合金。2 【化學】金屬元素；（opp alloy）；金屬性。3 【徽章】金色；銀色。4 ...
  1. The metal laser fuse fill in the application of metal wear, co - mosion, broken, blfida, glass, chromium scar, casting error, pro - cessing ultra poor, leakage repairs ; mechanical parts of the modified surface to be cut moldova, and wear - resisting, cor - rosion resistance, withetand high temperatures and perfor - mance

    該金屬激光熔補機適用於各種金屬磨損、腐蝕、斷、裂、劃傷、鉻痕、鑄造缺陷、泄漏的修復；對各種機械零配件表面的改性，使其具有減摩、耐磨、耐腐蝕、耐高溫等性能。
  2. The average abundance distributions of heavy elements in metal - poor stars can provide fairly direct and detailed information on the nucleosynthesis in every stage after the formation of galaxies. furthermore, it can put more accurate constraints on the chemical evolution of neutron - capture elements. the solution to this problem will have important effect on the solution to a series of problems about nuclear astrophysics and the galactic evolution

    貧金屬星的中子俘獲元素豐度分佈能提供星系形成后各個階段核合成的較為直接和詳細的信息，並為星系化學演化的研究提供更為準確的約束，這一問題的解決將對核天體物理及星系化學演化的一系列問題的解決產生重要影響。
  3. I do not have the metal colour samples as they have been sent to client but have the red sample which is poor in quality

    我手中沒有金屬色樣，因為他們已經寄給客戶了，其中紅色金屬樣品質量不是很好旅行袋的意思？ ？
  4. Metal - poor cluster

    貧金屬星團
  5. Ii. the direct diamond - diamond bonding between granules in domestic pdcs are poor. accordingly more catalyst metal are left over, this weaken the strength of the whole pdc

    國內聚晶金剛石層中晶粒之間直接連接的共價健（ c - c健）比例少，催化劑金屬含量過高，導致宏觀強度低，應採取如下措施： 1
  6. The other has two metal - insulator - semiconductor ( ms ) contacts with lower leakage current ( less than 4 pa, 300v ) and better energy resolution ( about 10 % fwhm for 241am 59. 5kev line ) and poor working stability. in theoretical studies, the analysis on the phase equilibrium in the vapor growth of cdse single crystals shows that the stoichiometry of cdse crystals can be controlled effectively by controlling the stoichiometry of starting materials and the vapor growth temperature. besides, the investigation of the transporting properties of charge carries in cdse detectors indicates that the noise in energy spectrum detected by using the detectors with msm structure is caused by the hole injection, which is induced by electron injection and the light injection

    本文把cdse單晶體的生長、單晶體的成分、單晶體的性能以及單晶體在室溫核輻射探測器中表現出來的性能結合起來進行了比較系統的研究；採用垂直無籽晶氣相提拉法生長出了電阻率為10 cm量級、尺寸為中10mm 30mm的單晶體；制備出了能量解析度達10 （ fwhm ） （對~ （ 241 ） am59 . 5kev譜線而言）的cdse室溫核輻射探測器，取得了較好的研究結果。
  7. In view of the poor adhesion of ultraviolet - curing paints to metal substrate, the effect of prepolymer, active diluent, adhesion accelerator, curing process and pretreatment on the adhesion of coating to metal substrate was studied

    針對紫外光固化塗料存在與金屬基體附著力差的問題，通過試驗研究了塗料組分與工藝過程如預聚體、活性稀釋劑、附著促進劑、固化工藝及預處理對塗膜在金屬基體上的附著力的影響。
  8. However, its further application and development have been limited by some problems in practices, such as the long processing time, the poor metal distribution, some defaults emerging in deposition layers and so on

    但是，目前電鑄技術存在著加工時間長，鑄層均勻性差，鑄層易出現缺陷等缺點，這嚴重製約著電鑄技術的應用與發展。
  9. But it is impossible for the traditional electroforming to be widely used due to the long process time, the poor metal distribution which is often seen. nano metal has special performance of mechanics and physics, but the making of nano metal block is difficult, and it ' s making method is not perfect, so the study of nano metal block is very difficult. man pay more attention to rapid prototyping which is a new machining method, but to make metal accessory using rapid prototyping is very difficult, it restricts development of rapid prototyping

    目前電鑄技術存在著加工時間長，鑄層均勻性差等缺點，嚴重製約著電鑄技術的應用與發展；納米金屬具有特殊的力學和物理性能，但是納米金屬塊體的制備有一定的難度，而且制備方法也不成熟，因此對納米金屬塊體性能的研究有一定的難度；快速成型作為一種新型的加工方法，越來越受到重視，但現在的快速成型技術對製造金屬零件有很大的難度，這也是制約快速成型技術快速發展的一個瓶頸。
  10. This technology uses alkali metal ( such as lithium, potassium and sodium ) as the working fluid, base ( " - a1 _ ( 2 ) o _ ( 3 ) solid electrolyte ) as the medium. this technology is based on the unique properties of base that is an excellent ionic conductor but a poor electron conductor

    Amtec利用堿金屬（鋰、鉀、鈉）作為工作物質， base （ - al _ 2o _ 3solidelectrolyte ）作為介質，這種陶瓷材料對離子是良導體，對電子幾乎是絕緣體，這一點也是這種能量轉換技術的基礎。
  11. Wetting between reinforcement sicp and the molten metal is often poor when it is blow 1000 ' c ; 2. during the processing, many phases of the interfacial reaction products have negative influence on the properties of the produced composites

    Sic顆粒增強復合材料中界面反應生成的有害雜質相較多，對復合材料的性能的影響較大。可以通過添加mg 、 li等活潑的合金元素，對增強體顆粒進行表面預處理來改善潤濕性。
  12. Think of a cake in a 400 - degree oven ? you can touch the cake, a poor conductor, without getting burned, but not the metal cake pan

    想想看200高溫烤爐里的蛋糕，觸摸蛋糕並不會造成燙傷，因為它也是熱的不良導體，但可不要嘗試觸摸金屬制的蛋糕烤盤。
  13. In addition, under high sintering temperatures, iron powder can result in the graphitization of diamonds. these two reasons will affect the mechanical properties of the metal bond and its retention capacity. as a result, the wear resistance of metal bond is poor and diamond grits can be easily pulled out from the matrix, thereby shortening the life of the saw - blade

    而且在高溫下，鐵粉會對金剛石產生較嚴重的化學侵蝕，這兩方面的原因都會影響結合劑本身的力學性能及其對金剛石的有效把持，導致鋸切過程中結合劑耐磨性差，金剛石容易脫落，使鋸片壽命縮短。
  14. " metal construction " is the poor construction industry group leading industries management group, the moc is the first pilot unit 49 large enterprise groups, zhejiang province, " a group of five " key enterprises

    "廣廈建設"是廣廈集團主導產業建築業的行業管理集團，是國家建設部首批49家大型企業集團試點單位、浙江省"五個一批"重點骨幹企業。
  15. Among those methods, the vacuum metalizing method has been generally used at the early stage of cellular phone production, but has scarcely used at present due to the problems that the productivity is low, because of low productivity, high cost and poor adhesion of metal film with substrate

    在這些方法中，真空金屬鍍方法曾普遍使用於早期的蜂窩電話生產中，但是目前罕見使用，由於生產效率低下，成本高，金屬鍍膜與基底材料的粘附力差。
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