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变干燥

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The research show that from anthracite, lean coal to bituminous, reaction rate become more and more large and ignition activation energy become more and more small; ignition activation energy falls and reaction rate increases as the volatile content increases;With the carbon content of dry ash-free basis increasing, ignition activation energy increases and reaction rate falls.

结果表明:从无烟煤,贫煤到烟煤,其反应速率越来越大,频率因子越来越小,着火活化能越来越低;挥发分增加,活化能减小,反应速率变大;干燥无灰基固定碳含量增加,着火活化能增加,反应速率减小。

The process includes the following steps: dissolving bromine in halogenated hydrocarbon, dropping the bromine solution into reactant system comprising pentabromo toluene, halogenated hydrocarbon, free radical initiator and hydrogen peroxide at 50-65 deg.c, and heating to 60-78 deg.c for reflux reaction until the reactant system becomes transparent; filtering the resultant to obtain solid product, washing with carbon tetrachloride and water separately and vacuum drying to obtain pentabromo benzyl bromide.

具体步骤为:将五溴甲苯、卤代烃、自由基引发剂和过氧化氢组成的反应体系加入到三颈瓶中,将0.07~0.1mol的溴溶于50ml卤代烃配成溶液,在50-65℃温度下滴加到反应体系中,滴加时间为50-70分钟,然后升温至60-78℃温度下回流反应,至反应体系逐渐变透明,且不再产生气泡时,将所得产物过滤,得到固体产物,分别用CCl 4 和水洗涤,真空干燥,即得到五溴苄基溴;其中,五溴甲苯与溴的摩尔比为1∶0.7-1∶1.0,溴与过氧化氢的摩尔比为1∶1.0-1∶1.4,自由基引发剂加入量为五溴甲苯重量的1-10%,卤代烃的加入量为反应体系体积的40%-100%,所用溶剂可以直接进行下一批反应,不需要更换溶剂或蒸馏提纯。

Coastlines are eroding. Our western heartland is drying up, and human health is under threat.

海岸线正在消失,我们西部的心脏地区正在变得越来越干燥,人们的健康也面临着威胁。

And, with regular use, your nails will become stronger and dry cuticles will disappear.

并且长期使用,指甲将变得更强,并且干燥退皮将消失!

The effect of this flash drying is that the cuticles become dried, rigid and brittle.

这种快速干发的后果就是会使你的头皮组织变得干燥,硬化和易损伤。

Adopt biologicals modification and spray drying to study the best technolodgy. Discuss the rheology of blending flour of corn flour ,extrusion corn flour and wheat flour in order to increase the scope corn flour.

采用生物方法并结合喷雾干燥对玉米面粉的改性工艺进行了研究,并对玉米面粉及玉米粉与小麦粉混合粉的流变学性质进行探讨,以期为玉米制品的开发奠定理论基础。

Under the condition of stable tectonics and humid-hot climate the oil shales were deposited in a saline lagoon of restricted carbonate platform with reducing condition. After that stage the climate evolved into hot-dry conditions.

在稳定的构造背景和湿热的气候条件下,油页岩形成于碳酸盐局限台地泻湖相还原和具有盐度分层特征的水体中,之后,气候变得炎热干燥。

Stool was yellow or khaki-colored, quality hard, dry forming, often non-stick diapers pollution, such as milk sugar as much as soft, and slightly like the stench of corruption, but also more each defecation, 1-2 normal bowel movements every day or every l-2 days.

大便呈淡黄色或土黄色,质较硬,干燥成形,往往不粘污尿布,如奶中糖多则变软,并略带腐败样臭味,而且每次排便量也较多、正常每天排便1-2次或隔l-2天一次。

Stool was yellowish or khaki-colored, quality hard, dry forming, often non-stick diapers pollution, such as milk sugar as much as soft and slightly like the stench of corruption, but also more each defecation, defecation 1-2 times the normal daily or every other l-2 days.

大便呈淡黄色或土黄色,质较硬,干燥成形,往往不粘污尿布,如奶中糖多则变软,并略带腐败样臭味,而且每次排便量也较多、正常每天排便1-2次或隔l-2天一次。

The sheath-core ratio, compounding ingredient of the sheath ,chip drying process and drawing process were discussed for the composite spinning of low-melting point and normal polyester chips.

研究了低熔点聚酯切片的流变性能,以及低熔点聚酯与普通PET皮芯复合纺丝时的皮芯层复合比、皮层组分配比、切片干燥工艺和纤维拉伸工艺。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。