连比例

It was found that manganese porphyrins linked with stable nitroxyl radials could oxidize sulfides using NaOCl as the oxidant to give the corresponding sulfoxides in good to excellent yields (80-97%) with high chemoselectivity and diasteroselectivity (dr≥7:1 for glycosyl sulfoxides).

发现连有稳定氮氧自由基的卟啉锰络合物对NaOCl选择性氧化各种硫醚底物有较好的催化效果，获得了高的产率(80％～97％)、化学选择性和非对映选择性(糖基亚砜非对映异构体的比例大于7：1)。

C. the central gov't gets what it wants: disuniting the non-executive political power successfully by adapting the system of proportional representation, results in that the disunited Legco has little power to check the executive branch and it helps a executive-led gov't

三是中央政府已达到以比例代表制分化在野政治力量，从而强化行政主导的目的。大家可见不仅泛民，连建制派也互相撕杀，混乱程度远超七国大封相。政党之间四分五裂，不能团结一致，哪里能有效发挥立法机关齐心制衡和监察行政权力的角色？

On the small panel, Uccello arranged two portraits. The character and the horse have are in exact proportion, the front legs and the back legs of the horse are suitably foreshortened, even the shadow is extremely accurate, causing them to appear stiff and unnatural.

在小小的嵌板上，乌切洛游刃有余地安排了两组人像，人物和马匹比例准确，马匹的前后腿之间透视关系合理，连投影都经过了精心的计算，但也和乌切洛所有的作品一样，看上去僵硬有如玩偶。

Italian PIAGGIO company in on century 50\'s most classical most famous light cavalries motorcycle product, once because of "the Roman Holiday" the center miraculous glow one presently is all the rage the world at the movie, nowadays only has NEWRAY to obtain this section model the manufacture authorization, the extremely rare graceful modelling, the entire white, 1 to 6 ultra was great proportions, the entire vehicle completely is made by the zinc base alloy material quality, left side of trailing wheel Chu Wuxiang all might open, the steering handle might rotate, all wheels all are the activities, evaded including the trailing wheel shakes is hanging all is the genuine spring oh, entire Che Anyuan vehicle entire simulation manufacture, The ultra fine paint surface works, entire Che Touzhuo a Italy character and style is in sole possession of romantic breath, also does not lose the detail to decide all perfect principles!

意大利 PIAGGIO公司在上世纪50年代最经典最著名的轻骑摩托车产品，曾因在电影《罗马假日》中的灵光一现而风靡全世界，现今只有NEWRAY得到该款模型的制作授权，非常罕见的优雅造型，全白色，1比6超大比例，整车全部由锌合金材质制成，后轮左侧的储物箱都可打开，车把可转动，所有车轮都是活动的，连后轮避震悬挂都是真正的弹簧哦，整车按原车全仿真制造，超精致的漆面做工，全车透着一股意大利风情独有的浪漫气息，也不失细节决定一切的完美主义！

The critical water stress point for the variety of japonicas rice was large than 100 g/L PEG, but the indicas rice was between 50 and 100 g/L PEG.

在正常及PEG模拟水分胁迫条件下，研究不同质量比例（9：1，5：5和1：9）NH4^＋-N：NO3^-—N的氮素营养处理对连嘉粳1号、二优培九、扬粳9538和扬稻6号水稻根系生长的影响。

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。