| 1. | Research on the structure of co2 - cured resol phenol - formaldehyde resin
甲阶酚醛树脂配合物的热固化过程和耐热性 |
| 2. | Influences of alkali on properties of co2 - cured phenol - formaldehyde resol resin binder
硼酸盐水凝胶的热可逆性研究 |
| 3. | Influences of borate contents on the property of co2 - cured phenol - formaldehyde resol resin binder
2固化甲阶酚醛树脂粘结剂性能的影响 |
| 4. | Complexes structure of the sodium borate and resol phenol - formaldehyde resin and their reaction mechanism
甲阶酚醛树脂配合物结构和反应机理 |
| 5. | Chelate reaction between borate ions and phenol hydroxyl group , ortho - position hydroxymethyl group of phenol - formaldehyde resol resin
硼酸根与甲阶酚醛树脂中酚羟基和邻位羟甲基的螯合反应 |
| 6. | The synthesis conditions of the resol with dibenzyl ether bond are discussed in the first section and it is characterized by ft - ir and gel - time test
本章主要讨论了这种酚醛树脂的合成条件，并用ft - ir对其表征，还研究了它的凝胶时间随温度的变化。 |
| 7. | During the research , we also studied the quantum algorithms . we found that there are some problems in grover ' s quantum search algorithm , and proposed an improved quantum search algorithm to resol
在经典二分法的基础上，提出了二分法量子搜索算法，它的时间复杂度为o ( ( lo咖“勺。 |
| 8. | The results show that the gel time of the resol prepared in this paper is much longer than that of resol catalyzed with normal alkali such as ammonia and it is more stable when temperature is under 160 ; while temperature exceeds 160 , it cures very fast
结果表明，合成的酚醛树脂中有大量醚键，常温下它的凝胶时间很长，固化速度慢，温度大于160后，醚键分解产生甲醛，促进固化，凝胶时间迅速减小，固化很快。 |
| 9. | The results indicate that good mechanical properties are obtained under condition that the content of dk3 is 3wt % in resin , resin is consisted of the ratio of 3 : 7 ( novolac : resol ) and proportion of resin with reinforcer is 35 / 65
结果表明，当树脂含量为35 ，树脂中novalac含量为30时，样品的力学性能最好。在此条件下，采用dk1的复合材料的力学性能增加不明显，而采用dk3的复合材料的弯曲强度和冲击强度分别比未采用dk3的增加了34和25 。 |
| 10. | Guided inquiry teaching is much more helpful for students to memorize physics knowled ge , and to comprehend , apply physics knowledge . in the mean time , students " capability of resol ving physics problems increases substantially . as a result , their grades skyrocket
2 、引导探究型教学模式较传统讲授教学法更能帮助学生对物理知识的识记、理解、应用和运算能力的增强；同时更能有效发展学生解决物理问题的能力，表现在实验设计和探究物理问题的能力大大增强。 |
