stalk cutting 中文意思是什麼

stalk cutting 解釋
伐莖
  • stalk : n 1 【植物；植物學】莖，柄，稈，梗，軸。2 【動物；動物學】（無脊椎動物的）莖狀部，梗節，肉莖，羽...
  • cutting : n 1 切斷，切下；切片；【園藝】扦插，插條；〈英國〉剪裁，（報紙等的）剪輯；（寶石等的）加工，琢磨...
  1. Design of model 2bfq - 3 stalk - saw - cutting corn no - tillage seeder

    3型秸稈鋸切式玉米免耕播種機設計
  2. The current situation of stalk - cutting machines utilization and suggestions in gansu province

    甘肅省秸稈鍘切機械使用現狀及建議
  3. 2 % 22 % and 29 % respectively less than using other three knives at cutting speed of 500mm / min when the moisture contents of rootstalks was 48. 2 %. the cutting forces were tested at four different parts of rootstalk that were the middle part along a radius, the tip part along a radius, the middle part along axis and the stalk part along a radius, and the force at the middle along a radius is the largest and increase 32 % 45 % 111 %, respectively more than at the other three parts. the force increase 37 % to cut the rootstalks from the areas one crop a year more than that from two crops a year

    試驗結果表明，根茬含水率愈高，剪切力愈小，根茬含水率與剪切力近似為二次曲線關系；刀片剪切速度愈快，剪切力愈小；凸曲線、斜線、凹曲線和直線四種不同的刀刃曲線對整株根茬剪切力依此由小到大，凸曲線和斜線剪切時有一定程度的滑切作用，所以剪切力相比較小，當根茬含水率為48 . 2 ，剪切速度500mm min時，與其他三種曲線相比凸曲線型刀刃的剪切力依次分別減少了7 . 2 、 22和29 ；對根茬中部、梢部和根部的剪切力，在相同試驗條件下，徑向中部最大，比梢部，軸向根部和根部莖稈所需剪切力分別增加32 、 45和111 ；當含水率為48 . 2 ，刀片的剪切速度為500mm min時，一年一熟玉米根茬比一年兩熟的玉米根茬剪切力增大37 。
分享友人
分享到 Line

分享到臉書