查询词典 cross-roads

The ability of resistance to disease descended rapidly as the increase of backcrossing,so it was not easy to select for resistant plants,no matter cross and reciprocal cross making common wheat by recurrent parent.

白粉病已成为威胁我国小麦稳产的重要病害之一，寻找并使用新的白粉病抗源成为当今抗白粉病育种的关键。

This experiment takes Badaling watershed in Yanqing Beijing as an example,based on 1:10 000 the large geographical scale,adopting statistical analytical methods,the authors compared the errors of the slope,aspect,average cross section curvatures and average surface coarsens curvatures while the DEM grids varies.Besides,the authors analyzed the qualitative relation between variety of grids size and the slope,aspect,average cross section curvatures and average surface coarsens curvatures with the results of calculation.

以北京市延庆县八达岭小流域为例，不考虑DEM采样点上高程误差，采用1∶10 000大比例尺，运用统计分析方法，比较当DEM网格尺寸变化时，对坡度，坡向，剖面曲率和平面曲率计算结果的误差，分析网格尺寸的变化与坡度，坡向，剖面曲率和平面曲率计算结果之间定性定量关系。

Novel shell cross-linked micelles with pH-responsive PDEA cores and thermo-sensitive PNIPAM coronas in aqueous solution were then fabricated by cross-linking the inner PDMA shells of the PDEA-core micelles.

通过BIEE对中间DMA嵌段的季胺化反应，可以得到结构固定的pH敏感的PDEA内核和温度敏感的PNIPAM外壳的壳交联胶束。

Novel shell cross-linked micelles with pH-responsive PDEA cores and thermo-sensitive PNIPAM coronas in aqueous solution were then fabricated by cross-linking the inner PDMA shells of the PDEA-core micelles.

在碱性条件下，该三嵌段聚合物自组装形成以PDEA为核、PDMA为内壳和PNIPAM为外壳的三层洋葱状胶束。

He broke down under cross-examination (ie while being cross-examined) and admitted the truth.

他经不起严密的诘问而供认了事实。

Furthermore,the adsorption of acetylene on the Ni(111)surface is investigatedby DV-Xα method,as well as its migration pathway from the aligned bridgesite,the favorite adsorption site for ethylene,to the cross-bridge site.Afterstudying several reaction pathways of C2H2 on Ni(111),we find that acetylene,as the product of dehydrogenated ethylene,will migrate from the alignedbridge site to the cross-bridge site with a very small energy barrier,0.02eV.

给出了乙炔在各个吸附位的吸附结构，并在假定乙烯在脱氢前没有迁移的基础上，对各种可能的反应途径作了模拟研究，发现乙炔在平行桥位的吸附结构不稳定，通过1.24的平移和30度的旋转的耦合，迁移到垂直桥位，迁移过程中只有0.02eV的势垒。

His was a fantastic cross, right through the centre, he dribbled past two opponents and delivered the perfect cross.

他作了一次美妙的传中，准确地传到中间，他晃过了两名对手并且送出了一个完美的传中球。

To say that the cross, emblazoned with the papal arms, which is set up , is of equal worth with the Cross of Christ, is blasphemy.

79说那，饰以教皇徽号的十字架，是与基督的十字架同样有效，这是亵渎。

The Trojans were struck with terror when they saw the snake, portent of aegis-bearing Jove, writhing in the midst of them, and Polydamas went up to Hector and said, Hector, at our councils of war you are ever given to rebuke me, even when I speak wisely, as though it were not well, forsooth, that one of the people should cross your will either in the field or at the council board; you would have them support you always: nevertheless I will say what I think will be best; let us not now go on to fight the Danaans at their ships, for I know what will happen if this soaring eagle which skirted the left wing of our with a monstrous blood-red snake in its talons was really sent as an omen to the Trojans on their essaying to cross the trench.

一个普通之人决然不可和你对唱反调――无论是在议事中，还是在战场上――我们永远只能为你的事业增彩添光。现在，我要再次说出我以为最合用的建议：让我们停止进攻，不要在达奈人的船边苦战。我以为，继续战斗的结果将和预兆显示的一样，假如那个由鹰鸟送来的兆示――当我们准备过沟之际，出现在我们眼前――真是个含义明确的警告：苍鹰搏击长空，一掠而过，翱翔在我们的左前方，爪下掐着一条巨蛇，浑身血红，仍然活着――但它突然丢下大蛇，不及把它逮回家去，实现用蛇肉饲喂儿女的愿望。

It was found that PA modified starch might be esterifying cross-linked starch, and that cross-linking degree of dipping method PA modified starch was lower than wet method PA modified starch.

在浸渍法改性中，得到最大取代度的反应参数为：植酸钠用量2％，pH 7，时间2hr，温度140℃～160℃。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！