The methods of regeneration and preventing deactivation of catalysts are reviewed briefly.简要介绍了催化剂的再生和防失活等方面的技术.The coking and deactivation of virgin naphtha aromatization catalyst are studied on isothermal reactor.利用等温固...
There can be important consequences of activation or deactivation.在这里可能有活化或钝化的重要结果.This process is endothermic with rapid carbon deposition and deactivation of the catalyst.此过程是吸热的,同时很快发生碳积沉并使催化剂活性减低.The methods of regen...
鞋底助燃剂的痕迹是一些石油淋馏出液, 包括甲苯?The accelerant pattern on the bottom of Luke's shoes, various petroleum distillate, including toluene?精馏塔的馏出液组成与塔顶温度有关, 大气压不同塔顶温度也不同.In plateau and, thethe atmospheric atmosphere, so the infl...
他们用各种废料制造堆肥。They make compost out of all kinds of waste.将已收获过的黄瓜、西红柿和其他作物的秧蔓割下，制成堆肥。Cut down and compost spent cucumbers, tomatoes and other crops.应该把花园里所有枯萎的花草制成堆肥，然后再用它们给花园施肥。All garden waste should be composted and re...
Pam had never learned that there were men who preyed on young runaways...帕姆从来不知道有人专门坑骗离家出走的年轻人。Pam had never learned that there were men who preyed on young runaways.帕姆从来不知道有人专门坑骗离家出走的年轻人。Unmanageable complexity can resu...
除了吹得堆积起来的地方，雪只有小腿肚深。The snow, except where it drifted, was only calf-deep.他小腿肚肌肉拉伤。He suffered a pulled calf muscle.重返球场那一天, 我在小腿肚上很醒目地裹上了弹性绷带.For my return, I sported an elastic bandage wrapped conspicuously around my c...
不过，这种车即使在干燥路面上也表现出了良好的抓地性能。Such cars, however, do grip the road well, even in the dry.将粮食和谷物储存在阴凉干燥的地方。Store grains and cereals in a cool, dry place.土壤干燥时，植物会流失更多的水分。When the soil is dry, more moisture is lost from the p...