silica造句
271 In this core, the vertical distributions of dinoflagellate cyst, organic carbon, carbon isotope and biogenic silica were studied.
272 On the basis of finding out the reasons for colloidal silica fracture, the bed layer flow speed was decreased through increasing 18.3% of the adsorption column diameter to lead-out a part of tail gas.
273 Methods 22 cases of ruptured inferior lacrimal canaliculus were operated with silica gel collapsible bulb skillfully as holdfast.
274 LTS-1 replenishment of pumping concrete of densitied silica fume can markedly improve the pumpability of pumping concrete and obviously increase the quality and strength of hardened concrete.
275 The principal raw materials for trichlorosilane are silica powder , liquid chlorine and hydrogen.
276 Talc, Mica, Silica, Propyl paraben , Methyl paraben, Art - Pearl, Zinc stearate, Vitamin E, Squalane, Iron oxdied black.
277 The matrix element Si was selected as internal standard, calibration curves were drawn respectively using the peak intensity of carbon line and the intensity ratio of carbon line and silica line.
278 The results were: 1. Formononetin was separated by optimized chromatography method with silica gel column . 2.
279 The oxidation rates are fastest in freshly cleaned silica vessels.
280 The ethyl acetate and n-butanol extraction were chromatographed on silica gel column, polyamide column, sephadex LH-20 column and preparing TLC, respectively.
281 The product xylose is identified by silica gel TLC, optical activity measurement and other approval tests.
282 Spherical nanoscale silicon oxide have been prepared by hydrothermal deposition process using silicon and silica as the starting materials.
283 Other Ingredients: May contain one or more of the following: magnesium stearate, cellulose, vegetable stearin, dicalcium phosphate and silica.
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