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31 The chains are held together by ionic bonds, whereas individual silica tetrahedrals bond together covalently.

32 In laboratory-scale research, Cooper and co-workersfound that dry water absorbed over three times as much carbon dioxide asordinary, uncombined water and silica in the same space of time.

33 Then the MIP coating was copolymerized and anchored onto the surface of the silica monolith.

34 A new technology for fabrication of silica on silicon arrayed waveguide grating (AWG) based on deep etching and thermal oxidation is presented.

35 This study is not only a breakthrough the bottleneck of silica gel formation and pulp filtration, but also a good removal iron and silicon completely,(http://sentencedict.com/silica.html) and a filterable cake is obtained.

36 Conclusions The ruptured inferior lacrimal canaliculus anastomosis with silica gel collapsible bulb as holdfast tames out easily and successfully. The effect is good.

37 The extrusion of silica - rich lava, the Rooiberg felsite, occurred on a grand scale.

38 ZIRCAR Refractory Composites, Inc. recently announced the introduction of its refractory sheet type RS-SI silica moldable.

39 This paper proposed the reasonable amount and the temperature of adding silica flour after studying the strength retrogression of Romania S_2 oil cement at high temperature.

40 Other examples are cell damage caused by silica, asbestos and possibly some carcinogens.

41 It is also helpful to reduce the veining defects using enhanced colloidal silica.

42 Isoamyl butyrate was synthesized by using gallium sulfate supported on silica gel as the catalyst.

43 The commonly-used firebricksare silica brick, semisilica brick, fireclay brick , high-alumina brick, chrome brick, magnesia brick, carbon brick, etc.

44 Clear water shall be used to mix both silica fireclay and clay fireclay into stable mortars with medium consistency and well service behaviors .

45 The cultural fruiting bodies of the Gymnopilus spectabilis were phytochemical investigated using layer extracts with petroleum ether, diethyl ether, methanol and water and silica gel chromatography.

46 Researchers have found the deposits contain opaline silica and iron sulfates, which you would expect to find if acidic water once flowed over basaltic materials in low temperatures.

47 Cinnamon twig was identified with petroleum ether(60-90 )-ethyl acetate(17:3) as developer and dinitrophenylhydrazine ethanol solution as coloration using silica gel G.

48 Agate is a microcrystalline quartz ( silica ) , characterised by its fineness of grain and brightness of color.

49 Basic principle, experiment condition, operating process, method and steps of X-ray diffraction method to determine free silica content of respirable dust in mines are introduced in this paper.

50 The stainless steel polishing kneading board, the high quality water joint, the flexible silica gel seal packing collar, processes processing specially the tempered glass.

51 Objective To discuss the effect of ruptured inferior lacrimal canaliculus anastomosis with silica gel collapsible bulb as holdfast .

52 L-type molecular sieves were synthesized with four different silicious materials, namely silica sol, silica gel, waste silica sludge and kieselguhr.

53 The results of plate load test show that bearing capacity and deformation modulus of calcareous sand are much bigger than silica sand, but deformation is much smaller.

54 Methods: The constituents were separated and purified by column chromatography normal phase silica gel and polyamide.

55 The strength of water glass - PVA system silica gel is better and its cost is the lowest.

56 NBR sheet Plastic strips, hoses, Jiaobang . Silica gel plates, of the tube.

57 Factors influencing pore structure of amorphous silica - alumina prepared by carbonization were investigated.

58 Melting burner of vitreous silica for the production of massive vitreous silica by the melting of silicon dioxide particles.

59 Cellulose, stearic acid, magnesium stearate, silica, cellulose & glycerin coating.

60 Our main products are alkoxy silanes, hydrochloric acid, trichlorosilane, Precipitated silica, fine chemicals of organosilicon.