Photosynthesis, which involves energy of light, absorption, energy conversion, electron transfer, ATP synthesis, CO2 fixation etc., is a complex physical and chemical reaction process. 光合作用涉及光能的吸收、能量转换、电子传递、ATP合成、CO2固定等一系列复杂的物理和化学反应过程。
Due to the variety of organic compounds and the complex of chemical reaction, the method of teaching organic chemistry is different from other fundamental courses. 有机化合物种类繁多,有机反应复杂,有机化学的教学方法与其他专业基础课程有着较大差异。
Reasons of equipment corrosion in NMP in Lanzhou Petroleum Processing& Chemical Complex were discussed, pointing the main reason is acid constituents produced from chemical reaction of solvent. The way to solve this problem was also given. 对兰州炼化总厂NMP装置设备腐蚀的原因进行了探讨,认为溶剂化学反应产生酸性组分是其主要原因,并据此提出了对策。
Parameter optimization of complex chemical reaction kinetic model by sequential quadratic programming method 基于逐步二次规划法的复杂反应动力学参数优化
A New Method for Computation of Complex Chemical Reaction Equilibrium of Claus Proces& The Atom Free Energy Contribution Method Claus工艺复杂化学反应平衡计算的新方法-原子自由能贡献法
Algebraic Theory of Material Balance Calculations in Complex Chemical Reaction Systems 复杂化学反应系统物料平衡计算的代数理论
The Gear's backward differentiation formulas ( BDF) method, in which the step size can be automatically adjusted, is used to solve the complex problem of chemical reaction kinetics. 对模型中复杂化学反应动力学刚性问题采用了能够自动调节步长的Gear向后差分法。
Nam: On basis of the thermodynamics theory, we calculate the equlibrium state of complex chemical reaction system-screen printing film of CdS/ CdTe solar cell. 本文通过热力学理论计算方法,配合实验对丝网印刷薄膜CdS/CdTe太阳电池制作过程中的复杂化学反应体系的平衡状态作了计算。
A few key problems of interaction between microwave and chemical reaction, such as complex effective permittivity of chemical reaction, simulation of microwave heating on chemical reaction and non-thermal effect of microwave, are investigated in this paper. 从微波与化学反应相互作用的几个关键问题:化学反应的复等效介电系数,微波加热化学反应的数值模拟以及微波非热效应等方面进行了研究和讨论。
It is specially difficult to estimate kinetic parameters for the complex chemical reaction. 复杂化学反应动力学参数估值计算常具有一些特殊困难性。
Algebraic Theory of Sets of Elementary Fragments in Complex Chemical Reaction Systems 复杂化学反应系统独立元素片组的代数理论
Complex dynamics in a class of chemical reaction systems and the computer assisted proof 一类化学反应系统复杂动态性质及其混沌性的计算机辅助证明
According to the principle of minimum free energy of chemical reaction, this paper establishes a set of mathematic models generally used for predicating complex chemical reaction equilibrium compo-sition and works out the related program. 本文根据化学反应的最小自由能原理,建立了一套用于预测复杂化学反应平衡组成的通用数学模型,并编制了相应的程序。
At an early hydration age, physical factors such as particle morphology have a more intense influence on the compressive strength development of the complex binders than chemical factors such as reaction degree. There is similar effect for active admixture and inert ones. 在水化初期,颗粒形貌等物理因素比反应程度等化学因素更能影响含有矿物掺和料的复合胶凝材料的抗压强度发展特性,活性与惰性矿物掺和料的作用基本相同。
Study on the liquid complex of boron isotopes separation by chemical exchange reaction and distillation 精馏与化学交换法分离硼同位素中液相络合剂的研究
Recently, a complex dynamics in a class of chemical reaction systems and their chaotic properties by means of topological horseshoe theory and computer simulation is studied. 近期结合拓扑马蹄理论和计算机辅助证明,研究一类化学反应系统的动态复杂性,并对他们的混沌性进行了判定。
The result shows that lime/ lime stone slurry absorbing SO2 is a complex process that is influenced by the two aspects: mass transfer and chemical reaction. 研究结果表明,石灰/石灰石浆液吸收SO2的过程是一个受传质和化学反应两方面控制的过程。
Complex chemical kinetics reaction model is used for simulating the combustion of laminar premixed free flame and for predicting the distribution of temperature and/ or the pollutant formation events which occur in a wide variety of experimental and practical combustion devices. 采用复杂化学动力学反应模型,模拟研究了开放空间中层流预混自由火焰的燃烧问题,并预测了自由火焰温度场、浓度场的分布状况。
The couple of turbulence and complex chemical reaction brings increased rigidity and a large amount of calculation, so the theory and simulation of couple turbulence and complex chemical become a challenging work. 湍流与复杂化学之间的耦合导致反应求解方程刚性增大,带来较大的计算量,因此耦合湍流和复杂化学的数值模拟是一项极具挑战的工作。
Petroleum coke calcination process in the rotary kiln is a complex process that comprises gas flow, movement of solid bed, heat transfer, mass transfer, physical change and chemical reaction phenomenon. There are many parameters that affect the operation of petroleum coke calcining rotary kiln. 石油焦在回转窑内的煅烧过程是一个综合了流动、传热、传质和物料运动等物理、化学反应现象的复杂过程,因此影响石油焦煅烧回转窑操作和运行的参数很多。
We hope the scheme can be extensively used in complex chemical reaction in enzyme. 我们期望这个方案能被广泛的用于溶液中或酶中的复杂反应。
At present, there are many studies about degrading pollutants successfully by high pulsed discharge plasma. However, high pulsed discharge is a complex physical and chemical reaction process, and the mechanism about formation active species has not been studied very clearly. 目前,关于等离子体降解污染物的研究比较多,也比较成功,但是由于放电过程中活性物质的生成是一个非常复杂的过程,有关机理研究的不是很透彻。
In the modeling process, this method does not refer to the complex physical and chemical reaction inside batteries. 这种方法建模过程未涉及电池内部复杂的物理化学反应。
Laser welding process contains a series of complex physical and chemical reaction phenomena. Its essence is the existence of keyhole and plasma effect. 激光焊接过程中包含了一系列复杂的物理、化学反应现象,其本质是存在着小孔效应和等离子体效应。
The high precision, high efficiency and steady numerical simulation is one of the most important complex chemical reaction flow researches. 高精度、高效率、稳定的数值模拟一直是复杂化学反应流研究的重要内容之一。
Rotary kiln is a critical equipment for cement production in which complex processes, e.g. material transportation, combustion, thermal exchange and chemical reaction occur simultaneously. 回转窑是一种具有燃烧、换热、化学反应以及物料输送等主要功能的生产设备。
It is more complex than traditional polymer synthesis processes because there are complex interactions among such variables as the fluid flow, heat transfer and chemical reaction. 不同于传统的聚合反应过程,反应挤出过程是流动、热传递和化学反应并存且相互影响的复杂过程。
EPDM seal material is complex by chemical cross-linking reaction to be a composite system which is mutual influence and restraining. EPDM密封材料组分多且复杂,各组分通过化学交联反应,彼此成为一个相互影响,相互牵制的复合系统。
Continuous reaction process ( Continuous stirred tank reaction, CSTR) of the MPCE-1000 multi-function experimental systems is a complex chemical reaction system, which simulates the propylene polymerization processes; the thesis focuses on the modeling of the CSTR plant. MPCE-1000多功能实验装置中的连续反应过程(Continuousstirredtankreaction,CSTR)是一类模拟丙烯聚合过程的复杂化学反应系统,建立CSTR过程的模型是对其进行控制研究的基础。
However, the state of nature slope surface soil erosion is an extremely complex process, where rainfall, landform, vegetation, soil properties, and other factors influences each other, interact with physical change and chemical reaction process. 然而,自然状态下坡面土壤侵蚀是一个极其复杂的过程,是降雨、地形、植被、土壤特性等诸多因子相互影响、相互作用的物理变化及化学反应过程。