| 1. | Preparation and characterization of pf - based carbon membrane for microfiltration
酚醛树脂基微滤炭膜的制备及表征 |
| 2. | Application of pf resin adhesive derived from bisphenol a leftover in fiberboard manufacture
酚醛树脂胶在纤维板生产中的应用 |
| 3. | From magnetic fields in pf coils of east expressed as elliptic integrals , the heat load of pf coils during plasma discharge is determined
摘要通过求解椭圆积分，计算了east极向场系统的磁场分布，从而计算出极向场线圈在等离子体放电过程中的热负荷。 |
| 4. | In order to provide reliable economic and technological basis for industrial production of pf - bonded structural bamboo - based waferboard , effects of mat compression ratio , resin type , spread amount and species of bamboo on panel properties were studied
为了给竹大片刨花板的工业化生产提供可靠的技术、经济依据，本研究探求了压缩比、胶种、用胶量和竹种等工艺成本因素对工程结构用酚醛树脂竹大片刨花板性能质量的影响。 |
| 5. | ( 2 ) the results of impact experiments show that impact strength of pf is improved and improvement lever is related to wpu ; but effect of carboxyl - terminated pu - prepolymer is better , that is to say the interpenetrating networks have priority at toughening of thermosetting resin
（ 2 ）冲击实验结果表明二种pu预聚物均能提高pf的冲击强度，增韧效果与pu质量分数wpu有关；而端羧基pu能使复合物冲击强度达到的最大值比端羟基pu稍大。 |
| 6. | In the area of dl + wl , paddy fields expanded and have become increasingly important ; while in the area of pf + dl + wl , including mpfs and fpfs , there has mainly only been a quantitative change , namely woodlands have withered away with dry lands and paddy fields have rapidly expanded
农地摸式逐步变为水田十旱地十林地型；在原来是水田十星地十林地的地方，包括山区型和坝区型，则主要是量的变化，即旱地和水田面积的迅速扩张以及林地面积的大量消亡。 |
| 7. | These results suggested that the 65kda protein was a degraded product , bioassay result showed that insecticidal activity of bl - 3 was 3 - fold higher than that of bl - 2 against 3rd instar plutelh xylostella . 3 . expression of cryla ( b ) gene in pseudom on a s fluoreseent pfx - 18 in order to study expression characteristics of icps gene in pseudom onas fluorescent , a new simple transformation method of pf was established
3 .用上述重组技术获得了含有刀口基因的lz20和含有尸2拼即“的lz20a克隆株，通过基因的诱导表达，发现p ”和pz浏民有不同的作用机制，证明了p20具有保护cyt人溶细胞的作用，这种作用并不依赖大肠杆菌受休的不同而改变 |
| 8. | The hydroxyl - terminated and carboxyl - terminated pu - prepolymer were prepared and cured respectively with pf . the molecule structures of two composite systems were characterized by means of ft - ir , and cured - sample morphologies were analyzed by sem . by means of the measurement of properties of pf , impact strength , volume shrinkage and thermal stability of pf / pu composite , effect of pu on pf has been investigated and the toughening differentials have been compared , then two kinds of toughening mechanisms have been discussed
文中利用红外光谱对pf / pu共混物的分子结构进行了定性分析，利用扫描电镜对共混物冲击断面形貌进行了表征、用简支梁冲击试验机按国标测试pf / pu共混物的冲击强度，并按国标测试共混物体积收缩率，最后利用热重分析对pf / pu共混物的热稳定性进行测试。 |
| 9. | By using the methods of documentation and comparative analysis , the author bases this paper on the theory of complexity science and emphasizes the necessity that the thinking mode of pf . teaching research should be changed from linear ? reduction - close - static simplicity thinking to nonlinear - overall - open - generative complexity thinking
摘要采用文献资料、比较分析等方法，立足于复杂性科学理论，强调研究体育教学的思维方式从线性、还原、封闭、静态的简单性思维走向非线性、整体、开放、生成的复杂性思维的必要。 |
