A novel furan resin was synthesized by polycondensation between furfuralcohol and furfural.用糠醇和糠醛缩聚制备了新型呋喃树脂.Resinification of furfural on the catalyst was the main cause of deactivation.糠醛树脂化结焦是导致催化剂失活的主要原因.Fig. 5 Varia...
Fig. 5 Variation of furfural calibration curves in aniline acetate colorimetric method.图5醋酸苯胺比色法,糠醛标准校正线之变化.A novel furan resin was synthesized by polycondensation between furfuralcohol and furfural.用糠醇和糠醛缩聚制备了新型呋喃树脂.The...
The effect of nitrogen can be overcome by sheathing the flame in argon.氮的影响则可以通过用氩气包覆火焰而予以克服.Used for testing horizontal combustibility of various textile and show with flame spread rate.用于测定各类纺织织物水平方向燃烧性能,并以火焰蔓延速率来表示.Th...
俄别以东和耶希亚也是约柜前守门的.Obed - Edom and Jehiah were also to be doorkeepers for the ark.于是将以色列神的约柜运到那里去.And they carried the ark of the God of Israel about thither.他们就把神的约柜送到以革伦.So they sent the ark of God to Ekron....
战争颠倒是非：杀戮与残忍成了美德。War turns morality inside out: killing and cruelty are virtues.甘地体现了克己、禁欲和自我约束的美德。Gandhi exemplified the virtues of renunciation, asceticism and restraint.谦虚被认为是一种美德。Humility is considered a virtue....
Read these notes carefully and keep them for future reference.仔细阅读这些注释并将其保留下来以备将来之用。They exchange traveller's cheques at a different rate from notes.他们兑换旅行支票时依据的汇率跟兑换现钞时不同。Watson has a wonderful voice, with thrillin...
A blade guard is fitted to protect the operator.为保证操作人员的人身安全安装了桨叶保护罩。A sharp blade is likely to nick the skin and draw blood.锋利的刀刃可能会划伤皮肤，导致出血。The soil sticks to the blade and blocks the plough.土粘在犁铧上，卡住了犁。...