Variation of helices based on dihedral angels and residue composition.不同的螺旋是依据二平面夹角与残基组成来决定.This is caused by the dihedral effect of the wings ( roll due to yaw ).这是由二面角的翅膀效果 ( 滚动由于偏航 )....
A electrocardiogram records the heartbeat.心电图上标明心跳次数.Perhaps the single most widely used monitoring device is the electrocardiogram.心电图可能是最广为应用的监测仪.A total of 109 patients underwent physical examination, electrocardiogra...
Leaf blade base cuneate, abaxial surface with gray - white indumentum; corolla magenta - rose.背面用 灰白色 的毛被, 叶片基部楔形; 花冠红色苯胺染料玫瑰色.The abaxial stomatal resistance was smaller than the adaxial.叶片正面的气孔阻力小于叶片反面对应部位的气孔阻力.The aba...
We constructed a CALB - displaying yeast whole - cell biocatalyst applied it to esterification from caproic acid and ethanol.重组酵母菌经冻干能有效地实现在非水相中全细胞催化己酸和乙醇酯化合成己酸乙酯....
The UN is facing a cash crunch.联合国面临着现金短缺问题。Caarackle! A cheery crunch, scraps of miniature thunder sound as the shells collapse.嘎嘣！欢快的裂壳声像是一片微弱的雷鸣。A latecomer to the credit crunch, Berlin's challenge is to keep Ger...