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Whether it is 5.1 blanket or there is no blanket on drums of suitable make blanket exposure to various oils, acids, alkali, salts and dangerouschemicals etc, do not become extrusion, so as not to damage the surface of Mackintosh and destroy its elastic; blanket is afraid of light, heat and moisture, which causes the rubber blanket hairline viscoelasto, crust, chapped, hardening or cloth moldiness and so on.

无论是滚筒上的橡皮布还是操纵上滚筒的橡皮布,切忌使橡皮布隔绝百般油类、酸、碱、盐及化学方剂等货色,不给使其受到挤不抬,以免保养橡皮布暗不天和爱护它的不塑性;橡皮布怕平、冷及湿润,这些城市使橡皮布暗不天不收黏、不解皮、潮裂、不弱硬或布层腐烂等。

Progress of molybdate passivating for zinc coating is stated.

本文综述了国内外镀锌层钼酸盐钝化的研究概况。

This paper discusses its component, petrology characteristic and petroleum geologic significance.

这类盐间沉积在化学成分和碎屑组成方面的韵律性变化具有明显的湖面升降变化含义,因而可将其韵律特性与层序地层单元进行对比分析。

In this process, the phosphatization is incorporated to increase the thickness of the film, and the transition element salt is used as blacken agent to take the placeIIof soluble silver or cOPper salt.

采用非银盐、铜盐发黑剂,系统研究了锌镍合金镀层的黑色钝化工艺,并将磷化工艺结合进钝化中,得到了厚膜型钝化膜。

Na-montmorillonite was modified with different quaternary phosphonium salts using ion-exchange method,and the structures and property of modified montmorillonite were studied.

采用离子交换法将不同的季鏻盐交换到钠基蒙脱土的层间得到改性蒙脱土,并对改性蒙脱土的结构和性能进行了研究。

In this paper, the way of "extracting-salting-chromatography" was used to purify the phycoerythrin and phycocyanin from Porphyra yezoensis in process scale-up.

采用"破碎-盐析-层析"的方法纯化条斑紫菜藻胆蛋白,并在提取规模上逐步放大。

In 1895, Wilhelm Roentgen accidentally discovered that a cathode-ray tube could make a sheet of paper coated with barium platinocyanide glow, even when the tube and the paper were in separate rooms.

1895年,威廉·伦琴偶然发现阴极射线管能使涂有一层氰亚铂酸盐钡的薄相纸发光,甚至当阴极射线管和相纸分别放在不同的房间时也能发光。

Accidentally discovered that a cathode-ray tube could make a sheet of paper coated with barium platinocyanide glow, even when the tube and the paper were in separate rooms.

射线'。''管能使涂有一层氰亚铂酸盐钡的薄相纸发光,甚至当阴极''。'射线'。''管和相纸分别放在不同的房间时也能发光。

In complex 1,Cucan be described as a four-coordinated square planar geometry.Compound 8 is the sodium salt of plumbagin and exists as ionic compound.Compounds 9-16 are the rare earth complexes of plumbagin with La,Y,Dy,Sm,Gd,Nd,Erand Eu.Compound 17 is binuclear Y complex.18 is mononuclear Ycomplex with plumbagin and another ligand from Plumbago Zeylanica.Compounds 19-21 are the ternary complexes with plumbagin and 2,2\'-bpy and phen as assistant ligand.In 19, the geometry of Cucan be described as five-coordinated distorted square pyramid that exists in a dimer through the weak bonding,and 1-D chain structure is formed by intermolecular hydrogen bonds.

化合物1的单晶结构分析表明1具有四配位平面四边形结构,化合物8是白花丹素的Na盐,以离子化合物形式存在;化合物9~16为白花丹素的La,Y,Dy,Sm,Gd,Nd,Er,Eu的稀土金属配合物;化合物17是白花丹素的双核钇结构;化合物18为白花丹素的单核钇结构,该配合物除了含白花丹素外,还有来自白花丹植物中的另一个单体化合物也参与配位;化合物19~21是以2,2\'-联吡啶和邻菲咯啉等含N配体为辅助配体,具有白花丹素—含N配体—金属离子的三元配合物,化合物19是白花丹素和2,2\'-联吡啶与Cu的配合物,具有五配位的四方锥构型,通过Cu…O弱的成键作用形成二聚体,再通过分子间的氢键作用进一步形成一维链状结构,化合物20和化合物21是白花丹素分别与2,2\'-联吡啶和邻菲咯啉的Zn配合物,都具有六配位八面体构型的双核锌配合物,呈一维链状结构,化合物20中链与链之间的大量氢键将一维链扩展成二维层,分子间的π-π堆积作用进一步形成三维结构。

Its rhythmics on petrochemical element and grain component has an important significance in lake level relative ch...

更重要的是,这类盐间沉积还是一种独特的集生油岩和储集岩于一体的含油气岩层,各种次生孔隙的发育使它成为一种潜在的有利储集层,近期的油气勘探已在其中获高产油气流

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