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Preliminary bioassay showed that most of title compounds had better herbicidal activity,for example,5a,5b,5c,5e,5f and 5g exhibited more than 80% inhibition to broad-leaved weeds,such as Abutilon theophrasti,Chenopodium album L.,Amaranth...

初步生物活性测定结果表明，该类化合物对阔叶杂草具有较好的芽后除草活性，如5 a、5b、5 c、5 e、5 f、5g等化合物在75 g/hm2剂量下，茎叶处理对苘麻、藜、凹头苋等阔叶杂草的抑制率达80%以上。

Preliminary bioassay showed that most of title compounds had good herbicidal activity, for example, 9a, 9b, 9c, 9f, 9g and 9h exhibited more than 90% inhibition aganist dicotyledon weeds, such as Abutilon theophrasti Medic and Amaranthus spinosus at an active ingredient 75 g/hm2 in post-emergence treatment.

初步生物活性测定结果表明，该类化合物具有一定的除草活性，如9a， 9b， 9c， 9f， 9g和9h在有效成分75 g/hm2剂量下，茎叶处理对苘麻、刺苋等双子叶杂草的抑制率达90%以上。

The paintings, Chinese paintings and sculptures exhibited in "Art Beijing 1+1 Charity Event" contains artists' apperception to humanity and understanding to charity, full of concern for compassionate care. At the same time, reflect high level of teachers of the Central Academy of Fine arts, as wellas heritage of Classic academism arts.

"艺术北京1+1慈善展"展出的油画、国画、雕塑等作品饱含艺术家们对人性的感悟和对慈善的理解，充满了浓浓的人文关怀，同时体现了中央美术学院教师们的造型水准，以及对经典学院派艺术的传承。

The paintings, Chinese paintings and sculptures exhibited in "Art Beijing 1+1 Charity Event" contains artists' apperception to humanity and understanding to charity, full of concern for compassionate care. At the same time, reflect high level of teachers of the Central Academy of Fine arts, as well as heritage of Classic academism arts.

"艺术北京1+1慈善展"展出的油画、国画、雕塑等作品饱含艺术家们对人性的感悟和对慈善的理解，充满了浓浓的人文关怀，同时体现了中央美术学院教师们的造型水准，以及对经典学院派艺术的传承。

The prevalence and abundance of the acanthocephalan exhibited very similar and significantly seasonal change patterns in O. uncirostris and H. bleekeri bleekeri. The infection levels were higher in autumn and winter, but lower in spring and summer. However, the infection levels in Z. platypus kept stable all the year round. There were significant differences among the overall abundance of the acanthocephalan in the three host populations. Nevertheless, the frequency distribution of the parasite in the three kinds of fish was over-dispersed in most seasons and in total as measured by the variance to mean ratio. The variance to mean ratio was not found related to the infection levels.

在感染率和感染丰度方面，寄生于马口鱼和油的木村小棘吻虫呈现出显著的季节变化：秋冬季节感染率和感染丰度都比较高，而春夏季节则比较低；与此不同的是，寄生于宽鳍鱲中的木村小棘吻虫则全年都维持着较稳定的感染水平；木村小棘吻虫种群在三种宿主体内的总体感染丰度差异显著，但都呈聚集分布，三者的方均比与感染率和感染丰度之间无显著相关关系。

Acapulco was exhibited frequently as the location of those sketchy cliff diving competitions.

阿卡普尔科是经常展出的地点，那些零碎的悬崖跳水比赛。

The only acarpous plant exhibited in the show won the acclaim of many vistors obsessed with its beauty and glamor.

那棵唯一不结果子的在演出中展示的植物赢得了很多为她的美丽和魅力着迷的参观者的好评。

It exhibited a sudden change as the concentration of organic acid over a specific value.

这种变化与在稀溶液中形成的水包有机酸笼合物结构有关。

The results showed that the optimal conditions were as follows: H3PW12O40/Al2O3 exhibited high activity and selectivity at the optimal temperature 330℃ and the load content of heteropoly acid 40%, the glycerol conversion reached 100% with acrolein selectivity of 83.7%.

结果表明，由甘油制备丙烯醛的较优条件为：当催化剂为H3PW12O40/Al2O3，负载量为40%，反应温度为330℃时，丙烯醛的选择性可达83.7％，甘油的转化率为100％。

Laser-textured specimens exhibited lower and stable friction coefficient as compared with untextured specimens under dry friction. The textured surfaces also exhibited lower wear rate than that of untextured specimens. It was found that micro-dimples acted as traps for wear debris, and hence decreased abrasive wear.

在相同试验条件下与未织构面对比，织构面的摩擦系数均有不同程度减小且表现得更为稳定，并且磨损率也得到一定的降低，这是由于所制备的表面微坑起到了捕获磨屑的作用。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。