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Results: 1-25/26
Authors:
GAO HW
DIAS JR
Citation: Hw. Gao et Jr. Dias, SYNTHESIS OF CYCLOCHOLATES AND DERIVATIVES, III - CYCLOCHOLATES WITH 12-OXO AND 7,12-OXO GROUPS, EUROPEAN JOURNAL OF ORGANIC CHEMISTRY, (4), 1998, pp. 719-724
Authors:
GAO HW
DIAS JR
Citation: Hw. Gao et Jr. Dias, SYNTHESIS OF CYCLOCHOLATES AND DERIVATIVES - PART II - SELECTIVE SYNTHESIS OF CYCLOTETRACHOLATES FROM LINEAR DIMERS, New journal of chemistry, 22(6), 1998, pp. 579-583
Authors:
GAO HW
Citation: Hw. Gao, ANALYSIS OF COBALT CHELATE SOLUTION WITH CHROME AZOPHENOL KS AND DETERMINATION OF TRACE AMOUNTS OF COBALT IN METAL SAMPLES, Indian journal of chemistry. Sect. A: Inorganic, physical, theoretical & analytical, 37(4), 1998, pp. 367-370
Authors:
ZHANG PF
GAO HW
LI Y
Citation: Pf. Zhang et al., SYNTHESIS OF AMIDO BLACK DIAZOAMINOAZOBENZENE AND ITS APPLICATION TO THE SPECTROPHOTOMETRIC DETERMINATION OF MICROGRAMS OF CADMIUM, Talanta, 47(2), 1998, pp. 355-359
Authors:
GAO HW
DIAS JR
Citation: Hw. Gao et Jr. Dias, HIGHLY SELECTIVE CYCLOTRIMERIZATION OF LITHOCHOLIC ACID BY DCC DMAP REAGENT/, Croatica chemica acta, 71(3), 1998, pp. 827-831
Authors:
GAO HW
Citation: Hw. Gao, BETA-CORRECTION SPECTROPHOTOMETRY AND ITS APPLICATION TO DETERMINATION OF TRACE-METALS AND COMPOSITION OF THEIR CHELATES USING THE EXAMPLE OF A CALCIUM COMPLEX WITH CHLOROPHOSPHONAZO-III, Journal of analytical chemistry, 52(2), 1997, pp. 141-143
Authors:
GAO HW
HUANG MY
XU XY
Citation: Hw. Gao et al., THE HETEROGENEOUS OXIDATION OF SO2 ON AEROSOL SURFACE, SCIENCE IN CHINA SERIES D-EARTH SCIENCES, 40(5), 1997, pp. 518-523
Authors:
GAO HW
DIAS JR
Citation: Hw. Gao et Jr. Dias, SYNTHESIS AND CHARACTERIZATION OF DIMERIC BILE-ACID ESTER DERIVATIVES, Journal fur praktische Chemie, Chemiker-Zeitung, 339(2), 1997, pp. 187-190
Authors:
GAO HW
DIAS JR
Citation: Hw. Gao et Jr. Dias, SYNTHESIS OF CYCLOCHOLATES AND DERIVATIVES, Synthetic communications, 27(5), 1997, pp. 757-776
Authors:
GAO HW
SU XD
HUANG L
LI ZS
Citation: Hw. Gao et al., AN IMPROVED SYNTHESIS OF 13-BETA-ETHYL-11-METHYLENEGON-4-EN-3,17-DIONE, Synthetic communications, 27(11), 1997, pp. 1981-1987
Authors:
GAO HW
SU XD
LI ZS
Citation: Hw. Gao et al., SYNTHESIS OF 13-ETHYL-17-HYDROXY-11-METHYLENE-18, 19-DINOR-17-ALPHA-PREGN-4-EN-20-YN-3-ONE (3-OXO DESOGESTREL), Steroids, 62(5), 1997, pp. 398-402
Authors:
GAO HW
Citation: Hw. Gao, APPROACHES TO PARTIAL SYNTHESES OF 11-OXO STEROIDS - A BRIEF REVIEW, Organic preparations and procedures international, 29(5), 1997, pp. 499
Authors:
GAO HW
SU XD
ZHOU LM
LI ZS
Citation: Hw. Gao et al., SYNTHESIS OF HYLENE-18,19-DINOR-17-ALPHA-PREGN-4-EN-20-YN-17-OL, Organic preparations and procedures international, 29(5), 1997, pp. 572-576
Authors:
GAO HW
Citation: Hw. Gao, ANALYSIS OF COBALT SOLUTION WITH M-CHLOROAZOANTIPYLINE AND DETERMINATION OF TRACE AMOUNTS OF COBALT BY BETA-CORRECTION SPECTROPHOTOMETRY, Canadian journal of applied spectroscopy, 41(5), 1996, pp. 113-118
Authors:
ZHANG PF
GAO HW
CUI GW
Citation: Pf. Zhang et al., UPDATED SPECTROPHOTOMETRIC DETERMINATION OF TRACE AMOUNTS OF CADMIUM IN METAL WITH O-BROMOBENZENEDIAZOAMINOBENZENE-P-AZOBENZENE, Canadian journal of applied spectroscopy, 41(1), 1996, pp. 1-5
Authors:
GAO HW
Citation: Hw. Gao, BETA-CORRECTION SPECTROPHOTOMETRIC DETERMINATION OF MERCURY AND ITS COMPLEX-RATIO WITH MALACHITE GREEN, Indian journal of chemistry. Sect. A: Inorganic, physical, theoretical & analytical, 35(1), 1996, pp. 41-43
Authors:
GAO HW
Citation: Hw. Gao, USE OF BETA-CORRECTION SPECTROPHOTOMETRY TO IMPROVE THE DETERMINATIONOF COPPER SOLUTION WITH ERIOCHROME BLACK-T, SPECT ACT A, 51(8), 1995, pp. 1379-1384
Authors:
GAO HW
BURCHFIELD TE
Citation: Hw. Gao et Te. Burchfield, EFFECTS OF CROSS-FLOW AND LAYER PERMEABILITY CONTRAST ON THE EFFECTIVENESS OF GEL TREATMENTS IN POLYMER FLOODS AND WATERFLOODS, SPE reservoir engineering, 10(2), 1995, pp. 129-135
Authors:
GAO HW
ZHANG PF
Citation: Hw. Gao et Pf. Zhang, DUAL-WAVELENGTH SPECTROPHOTOMETRIC DETERMINATION OF COPPER WITH CHLOROPHOSPHONAZO-III, Indian journal of chemistry. Sect. A: Inorganic, physical, theoretical & analytical, 34(9), 1995, pp. 750-752
Authors:
GAO HW
Citation: Hw. Gao, DUAL-WAVELENGTH SPECTROPHOTOMETRIC DETERMINATIONS OF COPPER AND ITS COMPOSITION OF THE COMPLEX WITH ERIOCHROME BLUE BLACK R, Recueil des travaux chimiques des Pays-Bas, 114(2), 1995, pp. 61-64
Authors:
GAO HW
Citation: Hw. Gao, DUAL-WAVELENGTH BETA-CORRECTION SPECTROPHOTOMETRIC DETERMINATION OF ARSENIC IN WASTE-WATER WITH ETHYL VIOLET, Talanta, 42(7), 1995, pp. 891-895
Authors:
SU XD
GAO HW
HANG L
LI ZS
Citation: Xd. Su et al., SELECTIVE KETALIZATION OF STEROIDAL 3,11,17-TRIONE USING CHLOROTRIMETHYLSILANE AS CATALYST, Synthetic communications, 25(18), 1995, pp. 2807-2811
Authors:
GAO HW
Citation: Hw. Gao, BETA-CORRECTION SPECTROPHOTOMETRY - DETERMINATION OF COPPER WITH CALCIUM CARBOXYLIC-ACID INDICATOR, Canadian journal of applied spectroscopy, 39(5), 1994, pp. 132-134
Authors:
GAO HW
Citation: Hw. Gao, BETA-CORRECTION SPECTROPHOTOMETRIC DETERMINATION OF CALCIUM WITH CALCON-CARBOXYLIC ACID, Chemia Analityczna, 39(6), 1994, pp. 699-704
Authors:
GAO HW
ZHANG PF
Citation: Hw. Gao et Pf. Zhang, DETERMINATION OF ANTIMONY IN WASTE-WATER WITH CHROMAZUROL-S BY BETA-CORRECTION SPECTROPHOTOMETRY, Analyst, 119(9), 1994, pp. 2109-2111