例句與造句

1. And the diffusion coefficient of leakproof laminate is tested to get the diffusion time in seawater , which shows that the properties of leakproof laminate can meet the technology requirements of leakproof in two years
   同時測定了防滲漏層的擴散系數，確定了防滲漏層抗人工海水的擴散時間，結果表明防滲漏層可達到防滲、抗滲2年的技戰術指標。
2. The performance of devices is directly decided by the impurity distribution in the diffused region , and the impurity distribution may be affected by the material thermal properties , the mechanism of diffusion , the power of laser and the diffusion time
   激光誘導擴散過程中,基片的熱物理特性、擴散源的擴散機理、激光束的功率大小和擴散時間以及光束的聚焦狀況等等,都會對擴散結果產生重要的影響,而擴散層的雜質分布情況將直接決定器件的性能指標。
3. Thus , the conclusion is drawn : when the diffusion coefficient of cf is invariable and the diffusion time is under a certain range , the beginning corrosion time of the steel in the corner of the rectangular section is independent of the size of rectangular section ; ( 4 ) through the numerical value calculation of rectangular section , the law is found of the influence on modifying coefficient of rectangular section of the thickness of protection layer of concrete and diameter of the steel and the thickness of cf on the surface of concrete , based on which practical calculating method of beginning corrosion time of the steel in the corner of rectangular section is set up
   從而得到結論：在氯離子擴散系數一定的情況下，在一定時間范圍內，矩形截面邊角區域鋼筋的初始銹蝕時間不依賴于矩形截面的截面尺寸； ( 4 )通過矩形截面邊角區域鋼筋初始銹蝕時間的計算，分析了保護層厚度、鋼筋直徑、混凝土表面氯離子濃度對修正系數的影響，并在此基礎上建立了氯離子侵蝕下矩形截面邊角區域鋼筋初始銹蝕時間的實用計算方法。
4. In this paper , we computed and found the main parameter for facture of ti : linbo3 waveguide , by the function of ti diffusion profile in linbo3 , and the waveguide mode ' s cut - off condition . the parameters include waveguide width : 8 m , titanium film thickness : 50 ~ 60nm , index change : 0 . 006 , diffusion temperature : 1050 and diffusion time : 9 ~ 10 hours
   本文從ti擴散特性和波導導模截止條件入手，計算并確定了制作單模ti linbo _ 3波導的主要參數，如：波導寬8 m ， ti膜厚50 60nm ，擴散溫度1050 ，擴散時間9 10h等。
5. It's difficult to find diffusion time in a sentence. 用diffusion time造句挺難的