理化 physics and chemistry◇理化检查 physico-chemical examination
有理 1.(有道理) reasonable; justified; in the right 有理、 有利、 有节 on just grounds, to our advantage and with restraint2.[数学] rational; 有理函数 rational function; 有理数 rational number
In some algebraic expressions , their denominators can be rationalized by multinomials as well as by determinants . besides , this method can be further promsfed 摘要某些代数式除能利用行列式对分母有理化外,还能利用多项式对分母有理化,并且其结论可作进一步的推广。
It has set up physical & chemical inspection center , helium leakage indicator ( shimadzu , made in japan ) lab , ultrasonic crack detector lab , x - ray fault indicator lab 已建有理化检验中心、 (日本岛津)氦质普检漏室、水压泄漏检测室、超声波探伤室、 x射线探伤室。
It has set up physical chemical inspection center , 3 - d coordinate meter lab aberlink , made in england , helium leakage indicator lab shimadzu , made in japan , ultrasonic crack detector lab , x - ray fault indicator lab 已建有理化检验中心英国aberlink三维坐标仪检测室日本岛津氦质普检漏室水压泄漏检测室超声波探伤室x射线探伤室。
We put out dozens of kinds of instant appliances for hotels , tourism , babies , and dining tissues , etc . as the only and first local manufacturer who holds its own brand , we recruit university graduators who are majored in science 本厂家是以生产酒店,旅游,婴儿,餐饮餐巾等几十种一次性用品。本公司在本地是唯一首创本品牌的生产厂家,具有专才人员多名,系有理化,大学本科专材。