极性

The absolute average deviation of the generalized neural network of nonpolar fluid saturated vapor pressure is 0.4361%.

本研究所求得非极性流体之表面张力的一般化类神经网路模式的平均绝对误差为0.43085%，饱和蒸汽压为0.4361%，饱和密度为

It was found that copolymerization of selected acetylenes with different polarity by using palladium acetylide complex catalysts is an effective method for improving solubility of polymers, especially doped polymers, which makes the above mentioned polymers and doped ones a new type of π-conjugated sensing material for preparation of thin film humidity sensor.

研究发现，以新型过渡金属钯-炔配合物为催化剂，通过选择具有不同极性的取代乙炔单体进行共聚，可有效地提高聚合物的溶解性，尤其掺杂聚合物的溶解性，实现可溶酸掺杂，继而开发出上述系列新的π-共轭型聚炔湿敏材料，用以制备薄膜型湿敏元件。

ABSTRACT Homopolymerization and copolymerization of substituted acetylenes with different polarity by the transition metal acetylide complex catalysts PPO, Pd (PPh〓〓〓; PPB, Pd〓 C≡CC (CH〓〓OH 〓etc.

首次以过渡金属钯-炔配合物为催化剂（PPO，Pd〓〓；PPB，Pd〓〓等），实现了具有不同极性取代乙炔单体的均聚和共聚。

Two main factors made it,one is the nuclear hydroxyl number,another is the acid radical ionization degree.

极性主要由两个因素决定，一个是核的羟基数目，另一个是酸根的离子化程度。

The oily substances and the acidic components were characterized using elementary analysis, IR spectral analyses and acidimetry.

采用石油醚和三氯甲烷分级萃取孤岛油田含聚污水中的油分，得到两个不同极性的组分F1和F2；用碱抽提法从酸值较高的F2组分中分离酸性物质并将其甲酯化，通过柱层析法将甲酯化物分成Ⅰ、Ⅱ和Ⅲ三个甲酯组分。

Result - a few more people move into the 'aery faery' realms and believe we can all co-exist in peace in a bi-polar reality.

结果——一部分人进入了"高处的仙境"领域，相信我们可以与两极性的实相和平共处。

Optimization technology was acetidin: N-hexane (3:7) as low-pole solvent system, methanol: dichloromethane (1:9) as polar solvent system, 20% glycerol filter paper as moisturizer, 14 h age Bacillus subtilis as indicating strain seed on thin layer plate cultivated for 14~18 h, 1% TTC staining time 1~2 h, bacterial mix method suitable to 0.2%~0.6% agar semisolid bouillon culture-medium, bacterial spread method suitable to 1% agar semisolid bouillon culture-medium.

结果：该方法展开系统筛选简单，抑菌斑位置准确、斑点清晰，其优化条件为：以乙酸乙酯：正己烷(3：7)为弱极性展开系统，甲醇：二氯甲烷(1：9)为强极性展开系统，用20%甘油滤纸对湿室保湿，以14h菌龄的枯草芽孢杆菌为指示菌种子液，自显影薄层板36℃培养14~18h，1%TTC显色时间为1~2h，含0.2%~0.6%琼脂的半固体肉汤培养基应使用混菌法生物自显影，含1%琼脂半固体肉汤培养基应使用涂布法生物自显影。

The results show that the as-synthesized chalcone-containing copolymers are a kind of thermosensitive polymer with a lower critic solution temperature and the LCST of the copolymer decreases with the increase of the chalcone content in the copolymer. With the increase of the solvent polarity, both the maximum absorption wavelength and the fluorescence emitting wavelength of the chalcone-containing copolymers redshifts, and the intensity of fluorescence first increases, then decreases, which exhibits solvent polarity sensitive fluorescence properties.

结果表明，侧链查尔酮共聚物是一类具有低临界溶解温度的温敏性聚合物，其LCST温度随着共聚物中查尔酮含量的增加而降低；随着溶剂极性的增加，侧链查尔酮共聚物的紫外-可见最大吸收波长红移，其荧光发光波长红移并且发光强度先增强后降低，具有溶剂极性敏感的荧光特性；同时对比侧链查尔酮共聚物水溶液低温和高温下的荧光，发现低温下几乎无荧光，高温下其荧光得到明显增强，其荧光具有可逆的温度&开/关&特性。

The compositions of cell membrane intact polar membrane lipids of bacteria and Achaea and their applications in the researches of biogeochemistry and microbial ecology are summarized in this paper. The recent progresses of IPLs applications are reviewed, with emphasis on those microorganisms that play a specific role in biogeochemical cycle, such as anaerobic ammoniumoxidizing bacteria, anaerobic methanotrophic Achaea, ammoniaoxidizing Achaea and marine Crenarcheota with tetraether lipids, or those special ecological systems, such as hydrothermal vent, cold seep and marine deep biosphere.

综述了海洋沉积物中细菌和古菌的细胞膜完整极性膜脂的组成特点及其在生物地球化学和微生物生态学等研究中的应用，重点评述了在生物地球化学循环中有特殊作用的微生物，如厌氧氨氧化细菌、甲烷氧化古菌、氨氧化古菌、具有四醚膜脂结构的海洋泉古菌等，或者是一些特殊生态系统，如冷泉、海底深部生物圈等研究中完整极性膜脂应用的进展。

The Soft-Hard Acid-Base Theory was used to interpret the experimental results for the first time, the softness of sulfur, which was a Lewis base, was changed by solvents, and the reactivity of sulfur atom was changed.

结果表明，砷化镓表面硫化层厚度与所用溶液的极性有关，用极性小的有机醇作溶剂可以得到更厚的硫钝化层。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。