Results ( 1 ) long - term administration of tw could significantly decrease bmd level . ( 2 ) the degree of this effect was significantly associated with total duration of administration of tw 结果长期服用雷公藤组患者腰椎骨密度显著下降，其骨密度下降程度与累计服药时间有关。
Saturday marks china ' s first large - scale participation in " car free day " activities . the number of cars dropped noticeably in most of the participating cities on the day 本周六标志着中国首次大规模地参与“无车日”的活动。大多数参与“无车日”的城市，当天的私家车数量显著下降。
Fortunately , the evidence that the world has been achieving a big fall in the proportion of destitute people and a significant fall in the absolute numbers of the destitute is strong 幸运的是，已有确凿的证据显示，一直以来，全球贫困人口的比例已大幅下降，贫困人口的绝对数字也有显著下降。
It is found that drag reduction occurs with adequate wavenumbers and grows with an increase of h . the mechanisms are revealed through variations of velocity profile and the decrease of wall shear stress 分析减阻机理是流速分布曲线及近壁区速度梯度介于层流与湍流之间， h值增大引起壁面剪应力显著下降。
Although large and rapid increases in dopamine have been linked with the rewarding properties of drugs , the addicted state , in striking contrast , is marked by significant decreases in brain dopamine function 尽管药物的犒赏机制认为和多巴胺大量快速增加有关，恰恰相反，成瘾状态被认为是脑内多巴胺功能显著下降。
The total shielding effects of the materials with certain thickness for fission neutron and - ray are all much better than iron , and the equivalent masses are lower than iron at same shielding effect 结果表明：在达到一定厚度后，这些材料对裂变中子、的总屏蔽效果均超过铁，且相同屏蔽效果下的铁质量当量显著下降。
Ph value increase from 4 . 5 to 6 . 5 strongly stimulated hairy root formation and higher ph value ( above 7 . 5 ) inhibited it . under the optimized condition , the transformation frequency of torenia approached 90 % 预培养和共培养培养基ph从4 . 5提高到6 . 5时，毛状根诱导率显著提高，但是当提高到7 . 5时，诱根率却显著下降。
The gem report , which analyses levels of entrepreneurship in 42 countries , found substantial declines in the proportion of people involved in early - stage start - up activity in several of the world ' s richest nations 《全球创业观察》分析了42个国家的创业水平，发现在全球几个最富裕的国家，参与创业活动的人口比例显著下降。
In comparison to the power of diesel , that of e40 engine obviously decreases and its hot starting works difficultly . through comprehensive analysis , the mixing optimum ratio of lpg is defined as 30 % . 3 E40混合燃料发动机的动力性与柴油机相比有显著下降，同时热起动困难，通过综合分析，确定lpg柴油混合燃料的最佳质量掺混比为30 。
The average controllable income of one person in the city residents in shanghai increased obviously slower than the price of the real estate , so the residents ’ purchase ability for houses physically declined 近几年来上海的住房价格飞速上涨。上海市城市居民人均可支配收入增长速度明显的低于房价的增长速度,居民的实际购买住房能力显著下降。
