solvent造句
241. Assembles pipe sections , tubing and fittings , using screws , bolts, solder, plastic solvent, and caulking.
242. Nitration of toluene with fluorous biphase system was studied by using the perfluorous nonene as solvent.
243. Such tunability might be achieved by many means: ultraviolet light, electricity, temperature, solvent and acidity.
244. Polyvinylidene fluoride was used to prepare solvent base fluorocarbon coating, and the solvent constitution of PVDF coating was screened and optimized.
245. The total flavonoids golden - pomelo peels was extracted by microwave - assisted extraction using ethanol as solvent.
246. The parameters of affecting solvent sublation were optimized by using typical compounds in the waste water.
247. A single - ring benzoxazine was synthesized by solvent - free method.
248. On the basis of it, X-R control chart is used to analyze and monitor the packaging solvent residual quantity during the compound process.
249. But after repeated bail-outs of American International Group, a bottomless pit masquerading as an insurance firm, the Treasury would need to be sure that banks are solvent.
250. Oil, grease and other contaminants shall be removed from the steel and adjacent polyethylene surfaces by solvent cleaning in accordance with SSPC SP1 prior to abrasive blast cleaning.
251. The fatty acid composition and VE content of the almond oil extracted with cold soak, solvent refluxing , heat squeeze, and supercritical CO2 were determined by using GC and HPLC.
252. The results of research showed that CuPc can form complex with Lewis acid which is soluble in aprotic solvent, leading to CuPc can dissolve in Lewis acid andaprotic solvent.
253. This paper introduced in detail the composition and industrial application of circulating cooling water treatment system in Yangzi Petrochemical Solvent Co.
254. This study was based on the existing production unit with hydrotreated naphtha and the C6-C7 fraction of the reformate as feedstocks and sulfolane as solvent.
255. Preferably, the antigenicity-reducing component is an extract of an Olea or a Ligustrum plant extracted with water or an organic solvent.
256. In this paper, the carbonylation has been studied of olefins in different solvent systems.
257. The recovery and reuse of waste solvent from the loading process of metallocene catalyst were studied.
258. Its major uses are for organic synthesis, especially of formaldehyde, as an automotive antifreeze, as a solvent for cellulosics and natural resins, and as the principal denaturant for ethyl alcohol.
259. At the same time, the pressure also has automatic tuning and automatic solvent emissions and added functionality.
260. Molality.Molality is the number of moles of solute divided by kilograms of solvent.
261. OBJECTIVE Found a method to determine the organic solvent residue in spectinomycin sulphate.
262. A new prescription of photopolymer is designed, and a proper solvent is chosen.
263. In raw extract from Stellera chamaejasme L. root, the liquid extract in polar and apolar solvent had high efficiency against Sitophilus oryzae.
264. This isocratic system consists of a high pressure solvent delivery pump, an UV/VIS detector, a manual injection valve, and a solvent tray, a column and a Chromatography Workstation.
265. Optically active ethyl(S)-3-hydroxybutyrate, a useful chiral synthon, was prepared by stereoselective reduction of ethyl acetoacetate of the bread yeast in organic solvent.
266. In the laboratory research foundation, the fraction oil depickling solvent technologies carries on the industry test in the Zhonghai Asphalt limited Liability Company and obtains the success.
267. Use appropriate cleaning solvent such as isopropyl alcohol, do not use soap or detergent.
268. The modified product was analyzed by FT-IR and GPC, and softening point, solubility in solvent and n-heptane tolerance were also studied.
269. The article mainly reviews the electrodeposition of rare earth and its alloy film from nonaqueous solvent.
270. Most people think that the various solvent only affects physical absorption and not chemisorption.
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