Resistant to wear, impact, salt water and aliphatic hydrocarbons.可耐磨损 、 碰撞, 耐海水和脂肪烃类物质.The special interest devoted to acrolein arises from the fact thatthe shortest unsaturated aliphatic aldehyde.全心致力于丙烯醛的研究,是从最短的不饱和醛被证...
Aliphatic hydrocarbons can be nitrated even with 13 % nitric acid.脂肪酸甚至能被13%的硝酸硝化.Resistant to wear, impact, salt water and aliphatic hydrocarbons.可耐磨损 、 碰撞, 耐海水和脂肪烃类物质.Poly ( p - dioxanone ) ( PPDO ) and Poly ( ε - capr...
When he got older I nicknamed him Little Alf.当他大一点时，我给他起了个“小阿尔夫”的绰号。'The human sound - track'he nicknamed her in his own mind.在心里他给她个绰号,就叫"人体录音带 ".People said that he had jaundice and urchins nicknamed him " Ye...
a choleric outburst愤怒的爆发There was an outburst of squeals from the cage.铁笼子里传来一阵吱吱的叫声....this first great outburst of nationalist student protest.首次大规模爆发的民族主义学生抗议活动He was prompted to a rare outburst of feeling.他被惹得情绪非常激动，...
氚是最和缓的放射性同位素之一.Tritium is one of the mildest radioactive isotopes.更为活跃的是氢的较重同位素, 氘和氚.More reactive are the heavier isotopes of hydrogen, deuterium and tritium.氚肺扫描可能有助于早期诊断吸入性损伤.Xenon lung scans may be helpful in the ear...
Significant changes are seen in the cecum in about 50 percent of the cases.在约50%的病例中,可看到盲肠有明显变化.Nine patients were excluded because the capsule failed to reach cecum.9例患者因检查时胶囊不能到达小肠末端(盲肠)被除外.Paracolic sulci are lateral ...
Clouds are formations of condensed water vapour.云是由凝聚的水蒸气构成的.Vapour phase chromatography has rapidly become one of the most successful analytical techniques.气相色谱法已经迅速成为最成功的分析方法之一.All condensers work by removing heat from...
A late booking may involve you in extra cost.预订晚了的话你可能要额外多花钱。Those booking a block of seats get them at reduced rates.团体订座可享受折扣价。Early booking is advisable.早订票是明智的。...