- 重点词汇
- time for时间
- theart.这个;指已提到或易领会到的人或事物;指独一无二的、正常的或不言而喻的人或事物;用以泛指;与形容词连用,指事物或统称的人;用于姓氏的复数形式前,指家庭或夫妇;(指特定用途的事物)足够,恰好;每,一;当前的,本,此;(重读,表示所指的为知名或重要的人或事物)
- durationn.持续时间;期间;
- condensationn.凝结的水珠;(气体)冷凝;简缩(书);
- dewn.水珠,露水;
- disappearancen.消失,不见;消散;失踪;出走,一去不返;
- andconj. 和,与;而且;于是,然后;因此;
- verticaladj.垂直的;直立的;纵向的;
- thispron.这,这个;这事,这人;这时;下面所说的事;
- ofprep. 关于;属于…的;由…制成;
- papern.纸;报纸;材料;壁纸;论文;试卷;文件;
- 相关例句
Methods: Five Schiff bases were prepared from piperonal and diamines by condensation reaction.
目的: 合成新的双-胡椒醛缩二胺类席夫碱化合物.
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控制缩合反应的温度,还得到一种苯并环庚酮和一种苯并环戊烷.
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摘要呱嗪缩合反应是环丙沙星生?工艺中的关键步骤.
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Condensation is the change a gas, as water vapors, into a liquid or solid.
冷凝是气体变化, 如水蒸汽变成液态或固态.
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Mixed acid as the catalyst, vacuum distilling condensation, the yield could be 53.
采用乙醛酸、尿素和回收滤液为原料,混酸为催化剂, 经真空蒸馏缩合制得尿囊素.
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The condensation is effected by heating a suitable mixture of sodium hydrogen orthophosphates.
聚合可借加热正磷酸氢钠的适当混合物实现.
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Implementation science cultural perspective, condensation and stimulation development joint effort.
实施科学的文化观, 凝聚和激发发展合力.
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This product condensation, and never can be the construction of secondary water mixing.
本品凝结后, 决不可二次加水搅拌施工.
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It forces you to condense who you are into a relatively small about of space.
这个小框强迫你浓缩你的自我介绍.
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As the vapors rise up and pass over the neck of the still , they condense.
水汽上升经过上面蒸馏器的颈部, 并被浓缩.
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It adopts mechanical refrigeration method to condense the moisture in the air and reduce humidity.
采用机械制冷方式,凝结空气中水分,降低湿度.
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