Meaning: n. 1. a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium 2. a board of the British government that administers and collects major direct taxes.
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241. The aqua - mesophases prepared by different preparation processing are characterized by FT - IR spectra.
242. Th ese samples were characterized by IR, XRD, and UV - Vis , respectively.
243. Xerox uses non-contact, flashed light wave IR heat fusing incorporating specialized toners .
244. FT - IR analysis confirms that NaAA formed in the process of compounding and underwent polymerization during vulcanization.
245. Cycle test revealed that inner resistance (IR) of batteries increased gradually with cycling and then suddenly increased after certain cycle.
246. Applying IR thermography technique to concrete NDT is a new subject.
247. A new triazene reagent , m - flurobenzenediazoaminoazobenzene has been synthesized and its structure has been indentified by Elementary Analysis (EA) and Infred Spectrum (IR).
248. Eight substituted ureas herbicides were synthesized with bis(trichloromethyl) carbonate(BTC). The production structures were identified by elemental analysis and IR.
249. IR and n-hexane cracking reaction were used to investigate the effect of different treatment conditions on acidity and catalytic activity.
250. The precipitate of citric acid esters of partial fatty acid glycerides was analysed by IR during the esterification of citric acid and monoglyceride , And the cause of precipitate was investigated.sentencedict.com
251. The bromine liquid and IR spectrum were used for quality analysis, and the results proved that products were aloin A and aloe emodin.
252. Infrared image guidance is a mainly study direction of precision guidance, a high-speed IR image tracking processor is researched in this paper.
253. Hydrotalcite-like compounds pillared with heteropolyanions were synthesized by direct ion-exchange reactions and were characterized by elemental analysis, XRD, IR and DTA spectra.
254. It was proved by IR and XPS analysis that in acrylamide-Ni complex carbonyl oxygen coordinated with nickel ion.
255. The structures of Glucovanillin were identified by elemental analysis(sentencedict.com), IR and NMR.
256. Based on the optical systems' "cat's eye" effect, a new technique working with single frequency modulated CW laser against IR scanning imaging systems is provided.
257. The guidance system involved many areas such as IR physics, random signal processing, image analysis, high speed digital signal processing and so on.
258. The results of FT - IR spectra showed that homogenizing agent had a AB block structure.
259. The title compound was synthesized with phenanthrenequinone as starting material and was characterized by IR and 1H NMR spectra.
260. A series of imidazolium, pyridinium and triethylamine cation-based ionic liquids were designed and synthesized as catalyst. The ionic liquids were characterized by 1H NMR and IR.
261. The inter-calibration research between FY-2A IR channel and GMS-5 IRA channel is made by using the radiance transfer model and matched data analysis.
262. Eight substituted benzalacetone were prepared via the improvement of technics of benzalacetone, The products were proved by IR, 1H NMR.
263. Objective To study the effect of ischemia reperfusion(IR) on electrophysiological function of sinoatrial node(SAN) in rabbits.
264. The reliable theoretical basis for the assignments of IR bands and the studies of hydrogen bonding in these elastomers has been proposed by use of deuteration and varying temperature.
265. According to the statistic characteristics of IR background clutter, an improved spatial matched filter (SMF) is presented.
266. This paper is researching the synthesize way of methyl salicylate, IR Spectrum and formative process of fragment peaks on MS.
267. The optical properties of AlN samples, involving absorption spectra, FT - IR spectra and Raman spectra, were investigated.
268. The combination of ladar and passive-infrared (IR) imaging can get more information, and improve the ability of object classification and anti-interference.
269. Great international end fames has been given to him for his challenging the main strain theories of the US IR, and for his constructing a new English School.
270. The structure of dendrimer has been characterized with elemental analysis, IR, and NMR. The results show that the structure of synthetic product coincides with the expected structure.