| 1. | When the termination rate is controlled by segmental rotation, the temperature dependence of the rate will depend upon the energy barriers to rotation . 当终止速度是由链段转动控制时,速度的温度依赖性将取决于转动能垒。 |
| 2. | Energy barrier . you convert energy attacks to harmless light 能量障壁:你将能量攻击转变成无害的闪光。 |
| 3. | Energy barrier and post - buckling behavior for thermal buckling of a liner shell 点铆固壳环热屈曲能障及后屈曲性态 |
| 4. | The rate of a process is based upon the energy barrier required to cross the corresponding saddle point , and a harmonic prefactor 越过马鞍点和前因子所需的能量决定该过程的速度。 |
| 5. | When analyzing the bounded stability it is the well - known complementary cluster energy barrier criterion ( ccebc ) Tspdr分析有界稳定性时,即为在工程中得到广泛应用的ccebc准则。 |
| 6. | Because of the larger contact angle 9 of low - energy surface , the phase transformation energy barrier of vapor is higher than those of high - energy surface , and the frosting of air cooler is effectively restrained ; 3 低能表面因水接触角大,水蒸气相变时的核化能障较大,从而有效地抑制了蒸发器的结霜。 |
| 7. | By means of the calorimetric experimental results and the temperature dependence of heat capacity differences , four kinds of temperature dependences of configurational entropy , dielectric relaxation index and cooperatively rearranging region are studied , on the basis of configurational entropy theory on cooperatively rearranging region in disordered amorphous materials by the methods of the relationship between configurational entropy and heat capacity difference , and the equation of relaxation time with activated energy barriers 摘要基于无序非晶材料“关联重排区域”的构型熵理论,运用构型熵与热容量差的关系式、弛豫时间与活化势垒的基本公式,及聚合物量热学的实验结果和热容量差与温度的基本关系,研究了4种情况下构型熵、介电弛豫指数和关联重排区域大小的温度变化关系。 |
| 8. | On the basis of one - electron hartree - fock approximation , the extended - ion method and ab initio method have been used to investigate the f center migration between f ~ - layers , br ~ - layers and from f ~ - layer to br ~ - layer . we have calculated the energy barrier of these three f center migrationes and energy of f center , exciton energy . the results of f center and exciton are in good agreement with the experimential data 本文是在单电子hartree - fock近似的基础上采用扩展离子方法和全电子从头计算方法,研究了bafbr : eu ~ ( 2 + )晶格中的f ~ -离子层间的f心迁移, br ~ -层的f心迁移和f ~ -离子与br ~ -离子层间f心迁移过程中的能量势垒和f心基态、激发态以及激子能量,对于f心和激子的研究结果与实验符合的很好。 |
| 9. | It is showed the energy barrier is very high in transformation from h - bn to r - bn , but it is very low from r - bn to c - bn . in fact , defects and impurities in c - bn thin films might favorably drive the transformation from h - bn to c - bn . defects and impurities can reduce the energy barrier for the transformation from h - bn to r - bn 研究发现:纯的h - bn到r - bn的转变需要克服一个很高的能量势垒,而r - bn到c - bn的转变只需要克服一个很低的能量势垒; c - bn薄膜中存在的大量缺陷和杂质大大降低了从h - bn到r - bn转变所需要的能量,促进了薄膜中立方相的形成。 |