This means that the material balances around the stages are actually differential equations and each equation includes holdup as a variable.
这就意味着，在某一个阶段的前后物料平衡函数实际上是一个微分方程，而每一个方程都以一个停滞为变量。
Material balances, properties of feedstock, product and catalyst, energy consumption of the unit and the operation parameters before and after the revamping have been compared.
着重从物料平衡、原料及产品性质、催化剂性质、装置能耗、操作参数等方面与改造前进行了对比。
An improved mathematical model of metabolic flux analysis by material balances and linear programming method was established, which was first applied to batch culture process in this paper.
通过物料衡算和线性规划方法建立了进行代谢流分析的数学模型，并首次应用于批式培养过程。
Models of theoretical processes are derived from first principles, using material and energy balances and fundamental laws to determine the model.
理论过程的模型是从第一原则得到的，这一原则利用物质和能量守恒以及基本法则来决定模型。
Test of details applied to transaction, account balances and disclosure determines whether there exist material misstatements in the financial statements.
细节测试是对各类交易、账户余额和披露的具体细节进行测试，目的在于直接识别财务报表是否存在重大错报。
Photorefractive (PR) spatial solitons form when the self-focusing of a light beam inside the PR material exactly balances the diffraction of the beam.
光折变空间光孤子是指当光折变材料的自聚焦效应与光束的衍射发散作用相平衡时，在介质内无衍射向前传播的光束。
By means of the material and energy balances, this paper establishes a mathematical model to describe the tubular hot-sensitive sensor with immobilized enzyme.
利用微元段内的物料与热量平衡，对固定化酶管式热敏传慈器进行了考察，建立了用联立双曲型偏微分方程组描述的数学模型。
Aiming at disadvantageous effect of mixed material electronic balances shock signal, the author designs the appropriate methods of eliminate or weaken shock signal to obtain preferable effect.
针对工业中配料电子秤冲击信号给测量带来的不利影响，设计、研究合适的消除或减弱冲击的方法，取得了较好的效果。
Aiming at disadvantageous effect of mixed material electronic balances shock signal, the author designs the appropriate methods of eliminate or weaken shock signal to obtain preferable effect.
针对工业中配料电子秤冲击信号给测量带来的不利影响，设计、研究合适的消除或减弱冲击的方法，取得了较好的效果。
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