penetration core 中文意思是什麼

penetration core 解釋
增壓砂心
  • penetration : n. 1. 浸透；透過；滲透力。2. 侵入，【軍事】突破；（空戰中）深入敵方的飛行。3. 貫穿；（炮的）貫穿力；（光學機械的）透視力。4. 看破，洞察（力），眼光。
  • core : CORE ＝Congress of Racial Equality 〈美國〉爭取種族平等大會。n 1 果心。2 （事物、問題等的）中心，...
  1. For the rod penetrators used for 30mm naval gun, the structures, the ballistic performance, the penetration and their design are studied systematically. in the paper, the reasonable design of sabot and projectile core is presented and the influence of various factors on ballistic performance of rod penetrators is analyzed. additionally, the optimum design techniques in exterior ballistics for the small caliber fin - stabilized and sabot discarded penetrators are developed

    本文對海30艦炮適用的桿式脫殼穿甲彈的結構特性、彈道特性、穿甲威力及設計方法進行了系統研究，提出了合理的彈芯結構和彈托方案，研究了各種因素對桿式穿甲彈外彈道性能的影響，建立了一套小口徑尾翼穩定脫殼穿甲彈外彈道優化設計方法，並利用該方法在一定的戰術技術要求下對海30艦炮尾翼穩定脫殼穿甲彈進行了優化設計，得到了優化方案，研究結果對海30艦炮以及同類小口徑火炮桿式穿甲彈的設計有重要的指導意義。
  2. The quality of furan sand castings is usually better than clay sand castings, however, some defects are also very easy take place with furan sand castings such as blow hole, metal penetration, veining, cracking, slag inclusion, hardness too low, surface recarburation, surface sulphuration, nodularity degeneration etc, which were usually caused by improper raw materials selection, improper method design, incorrect moulding or / and core - making

    摘要呋喃樹脂砂鑄件質量一般比黏土砂鑄件好，但如果原材料選擇、工藝設計、造型和制芯操作不當，也會產生氣孔、粘砂、脈紋、裂紋，夾渣、硬度不足、滲碳、滲硫和球化不良等鑄造缺陷。
  3. Diamond core drill can be laser welded with full penetration and the bonding strength is 1500 n / mm2. dendrite morphology and porosity formed in the welds of al - fe - v - si aluminum alloy

    用本激光器對金剛石薄壁鉆進行焊接，可以將其完全焊透，抗彎強度為1500n / mm ~ 2 。
  4. Core penetration test

    樣芯貫入度測試
  5. The conclusion about researching of the paper is that intensive strategies is the basic develop - strategy for qingjia company. in order to enlarge core competition strength and realize rapidly development ， the important stages as fellows must be adopted : to intensify product development ， especially digital tuner product ， to keep and improve product strength ; to enlarge market development and expand international market ; to stabilize and develop the present market ， to implement market penetration ; to develop smt planting business by making concentric diversification and using instrument and produce technique strength

    本文研究的結果是慶佳公司應以加強型戰略作為基礎發展戰略，加強調諧器新產品特別是數字產品開發，保持和提高產品的優勢；繼續加大市場開發力度，拓展國內國際市場；鞏固和發展現有市場，實施市場滲透；採取集中多元化，利用設備及生產技術優勢，發展表面貼裝技術（ smt ）加工業務等發展戰略。
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