查询词典 cracking

This invention discloses a method for preparing monodisperse oil-soluble surface-modified ferric oxide nanoparticles. The method comprises: mixing ethanol solution of soluble ferric salt with ethanol solution of fatty acid, adding alkali, stirring to obtain precursor of ferric oxyhydrogen fatty acid salt precipitate, and cracking at 210-280 deg.

一种制备单分散、油溶性表面修饰氧化铁纳米微粒的方法，将可溶性铁盐的乙醇溶液与脂肪酸的乙醇溶液混合，加入碱搅拌得前驱体三价铁氢氧脂肪酸盐沉淀；单元前驱体三价铁氢氧脂肪酸盐在无溶剂下直接热解得目标产品。

Parenthetically, let me admit that it isn't easy to resist cracking all those nut jokes.

附带说一句，我得承认人们是很难抗拒破译所有那些难懂的笑料的。

On the basis of common theory about the probability-limited state for the structure, the author summarized the cracking law of this penstock and put forward a new definition of particular crack width to judge the structures limited state. This formula is simple and practicable, and it can be used for reference in engineering design.

文章从混凝土裂缝的基本理论出发，采用合理的计算模式，并结合压力管道结构的特殊性，推导出了在内水压力等因素的作用下钢衬钢筋混凝土压力管道最大裂缝宽度的计算公式，并和有限元软件ANSYS分析的结果进行了对比，两者的吻合程度较好。

A hydrogenation catalyst contained Co-Mo-Ni active component was used for preparation of pentane with the raffinate of 5-carbon fraction from steam cracking as the raw material.

对活性成分为Co-Mo-Ni的LY-9702加氢催化剂催化蒸汽裂解抽余C5馏分(含60％左右的C5烯烃)制戊烷的工艺条件进行了试验研究。

The canvas must be flat, even and opaque in case of producing color permeance when it is thin and stripping or cracking when it is thick.

画布必须单位即使和不透明的情况下生产彩色permeance当它是瘦高剥离或破裂时则厚。

The most important route to produce these unsaturated hydrocarbons is by steam cracking, using principally petroleum gases or naphtha as feedstock.

生产这种不饱和烃类最重要的路线是靠蒸汽裂解，主要以石油气体和石脑油作原料。

The failure mechanism and service sttaus quo of hot piercer point in seamless steel tube were analyzed and its failure was mainly caused by piercer point collapsing nose, sticking steel and cracking.

对穿无缝钢管热穿孔顶头的失效机制和使用状况进行了分析研究，认为穿孔顶头的失效形式主要表现为顶头塌鼻、粘钢、开裂。

MONIQUE: I can step on a pinecone and the cracking of it can sound like ice breaking.

我可以踩在松果上，裂开的声音就像是冰的破碎。

It also has an excellent resistance to pitting and to stress-corrosion cracking.

它还具有优良的耐点蚀和应力腐蚀开裂。

We holed up at an old guesthouse, its glory days long past, fantastical plasterwork cracking, furniture broken.

那天，我们寄宿在一家老旅社。在岁月的侵蚀下，它的光辉已不复存在，昔日平滑的水泥墙面而今已布满裂痕，室内的家具也都破旧不堪。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。