Long-Nan Chang (張隆男)

C.S. Chen (陳景森)

S.-C. Lin (林松錦)

Taichi Chen Wang (陳台琦)

Jough-Tai Wang (王作臺)

C.-Y. Huang (黃清勇)

Han-Ru Cho (禚漢如)

N.-H. Lin (林能暉)

Che-Ming Chang, Long-Nan Chang and Shih-Chong Lu
"A Study on Atmospheric Methane in Taiwan"
Journal of the Environmental Protection Society of the Requblic of China, Vol. 20, No. 2.(1997) 92-101.

Horing-Syi Shen and Long-Nan Chang
"The Surface Temperature Variation Impact Studies around Taiwan Area due to Global Greenhouse Gases Emission"
Journal of the Environmental Protection Society of the Requblic of China, Vol. 21, No.1. (1998) 47-62.

C.S. CHEN (陳景森)
Highest Education: Ph.D., University of Illinois
Present Position: Professor (1987--)
Joined NCU Faculty: 1981.8
Research Speciality: Mesoscale Meteorology, Numerical Simulation

Chen, C.-S. and C.-Y. Lin, Z.-S. Deng and J.-S. Chen,
Acid rain in a squall line system in the Taiwan area: A numerical experiment.
IDoJARAS, Vol.101, No.3, (1997), 181-197

Chen, C.-S. and C.-Y. Lin,
A numerical study of airflow over Taiwan island.
* Atmospheric Environment, Vol.31, No.3, (1997 ), 463-473

Chen. C.-S. and C.-Y. Lin,
A preliminary study of the formation of precipitation system under undisturbed conditions during TAMEX.
* Meteorology and Atmospheric Physics, Vol.64, (1997), 83-105

Chen, C.-S. And J.-M. Huang,
A numerical study of precipitation characteristics over Taiwan Island during the winter season.
*Meteorology and Atmospheric Physics,Vol.70, (1999), 167-183

J.-H. Teng, C.-S. Chen, T.-C. Chen wang, and Y.-L. Chen,
Orographic effects on a squall-line system over Taiwan.
*Mon. Wea. Rev,Vol.128, (2000), 1123-1138

S.-C. LIN (林松錦)
Highest Education: Ph.D., Purdue University
Present Position: Professor (1988--)
Joined NCU Faculty: 1984.8
Research Speciality: Atmospheric Dynamics, Boundary Layer Meteorology

王溫和與林松錦，
熱帶海洋渦流熱量通量與東亞大氣環流之相關的初步探討。
大氣科學，25，173-194。(1997)

Chang, C.-P., S.C. Lin and C.S. Liou,
An experiment using NSCAT winds in tropical mesoscale numerical weather prediction.
*Geophy. Res. Lett., 26, 311-314.(1999)

林松錦、麥如俊與嚴明鉦，
南海夏季季風肇始期間大氣環流特徵與水汽輸送之合成分析。
大氣科學，28，281-292。(2000)

郭勉之、蕭美菁與林松錦，
從渦度收支分析探討南海季風肇始期間之環流演變。
大氣科學，29，1-20。(2001)

郭勉之與林松錦，
南海夏季季風-肇始定義與環流特徵。
大氣科學，29，141-170。(2001)

TAICHI CHEN WANG (陳台琦)
Highest Education: Ph.D., St. Louis University
Present Position: Professor (1990--)
Joined NCU Faculty: 1985.8
Research Speciality: Radar Meteorology, Mesoscale Meteorology

Chen C, W. K. Tao, P. L. Lin, G. S. Lai, S. F. Tseng and T.-C. Chen Wang
The Intensification of the Low-level Jet in the Development of Mesoscale Convective Systems in a Mei-Yu front.
*Mon. Wea. Rev., 126 , 2 ,1998 , 349-371.

潘秋吟，陳台琦，鄧仁星，林沛練
"長生命期鋒面雨帶之研究(二)：地形效應"
大氣科學, 27 , 3, 1999 , 191-214

Teng, J.-H., C.-S. Chen, T.C. Chen Wang and Y.-L. Chen
Orographic Effects on a Squall-line System over Taiwan.
*Mon. Wea. Rev.,128, 4, 2000, 1123-1138.

JOUGH-TAI WANG ( 王作臺 )
Highest Education: Ph.D., Oregon State University
Present Position: Professor (1992--)
Joined NCU Faculty: 1988.2
Research Speciality: Climate Dynamics, Numerical Weather Prediction

Wang, J.-T., and J.-W. Hwu,
Effect of SST on the onset of the East Asian Summer Monsoon: GCM simulation.
Proceedings from the Third Conference of East Asia and Western Pacific Meteorology and Climate,
World Scientific Publishing, Singapore. (1997/08), 548-557 .

陳孟詩，王作臺,
東亞夏季季風肇始期間大尺度系統轉化特徵之診斷分析,
大氣科學, 26,（1998）109-131.

周發琇 與 王作台,
南海與其鄰近西太平洋 SST 年紀變化的位相不連續性,
海洋與湖沼,30,（1999）679-685.

Lau, K.-M., Y.H. Ding, J.T. Wang, R. Johnson, . Keenan, R. Cifelli, J. Gerlach, O. Thiele,
A report of the field operations and early results of the South Chinna Sea Monsoon Experiment (SCSMEX).
Bulletin. America. Meteor. Soc., 81 (2000), 1261-1270.

Chen, K.S ,J.-T.Wang, and L.M.Mitinik,
Satellite and ground observations of the evolution of Typhoon Herb near Taiwan.
Remote Sensing of Environment, 75, (2001), 397-411..

Li, C.-Y., H.-R.Cho, and J.-T.Wang ,
CISK-Kelvin Wave with Evaporation-wind feedback and air-rea interaction.
Advanced Atomos.Sci.,(2001) 18,(in press)

C.-Y. HUANG (黃清勇)
Highest Education: Ph.D., North Carolina State University 1990
Present Position: Professor (1997--)
Joined NCU Faculty: 1991.8
Research Speciality: Mesoscale Simulation, Air Pollution

Huang, C. Y
"A comparative study of high-order quasi-conservative semi-Lagrangian and Eulerian advection schemes"
* J. Appl. Meteor., 36, . (1997)599-613. (SCI)

Huang, C. Y., and Y.-L. Lin (1997)
"The evolution of mesoscale vortex impinging on symmetric topography"
Proc. Natl. Sci. Counc., 21, (1997)1-25.

黃清勇，李坤城
"區域空氣擴散數值模式之應用研究"
「大氣科學」, 25, (1997)511-546。

黃清勇，許依萍
"台灣地形對理想型颱風環流之影響"
「大氣科學」, 26 (1998), 281-324。

Lin, Y.-L., J. Han, D. W. Hamilton, and C.-Y. Huang
"Orographic influence on a drifting cyclone"
*J. Atmos. Sci., 56, (1999)534-562. (SCI)

Doyle, J. D., D. R. Durran, C. Chen, B. A. Colle, M. Georgelin, V. Grubisic, W. R. Hsu, C. Y. Huang, D. Landau, Y. L. Lin, G. S Poulos, W. Y. Sun, D. B. Weber, M. G. Wurtele, M. Xue
"An intercomparison of model predicted wave breaking for the 11 January 1972 Boulder windstorm"
*Monthly Weather Review, 128, , (2000)901-914. (SCI)

Huang, C. Y.
"A forward-in-time anelastic nonhydrostatic model in a terrain-following coordinate"
*Monthly Weather Review, 128, (2000) 2108-2134. (SCI)

Han-Ru Cho(禚漢如)
Highest Education: Ph.D., University of Illinois 1972
Present Position: Professor (1999--)
Joined NCU Faculty: 1999
Research Speciality: Atmospheric Dynamics

Wang, Xiaolan and Han-Ru Cho,
" Spatial-temporal structures of trends and oscillatorial variabilities of precipitation over northern Eurasia".
*J. Climate. 10, no. 9, 2285-2298, 1997

Cho, Han-Ru and D. Pendlebury,
"Wave CISK of equatorial waves and the vertical distribution of cumulus heating",
*J. Atmos. Sci., 54, 2429-2440, 1997

Cho, Han-Ru and H. Ye,
"Fronts, frontogenesis and Mei-Yu front",
East Asia and Western Pacific Meteorology and Climate, 186-196, 1997.

Li, Xiaofan and Han-Ru Cho,
"Development and propagation of Equatorial waves"
Adv. Atmos. Sci. 14, 323-338, 1997.

Cho, Han-Ru and Z. Cao,
"Generation of moist potential vorticity in extratropical cyclones. Part II: Sensitivity to moisture distribution.
*J. Atmos. Sci., 55, 595-610, 1998.

Ye, Heng chun, Han-Ru Cho, and P.E. Gustafson,
"The change of Russian winter snow accumulation during 1936-1983 and its spatial patterns",
*J. Climate, 11, 362-370, 1998.

Cho, Han-Ru and D. Pendlebury:
Reply to "Comments on 'Wave-CISK of Equatorial Waves and the Vertical. Distribution of Cumulus Heating' By Bretherton."
*J. Atmos. Sci., 55, 74, 1998

Huang, Jianping and Han-Ru Cho,
"Seasonally modulated intraseasonal oscillations in a GCM simulation",
*Int. J. Climatology. 18, 1521-1537, 1998

Cho, Han-Ru, and Chongyin Li,
" Equatorial Kelvin waves and intraseasonal oscillations in the equatorial Troposphere. "
C. J. of Atmos. Sci., 23, 237-244, 1999

Cho, Han-Ru,
"Nonlinear Equatorial Kelvin Waves and CISK. Part 1: Small Amplitude Approximation and the Trailing Edge of a cloud Region. "
*Quart. J. Roy. Met. Soc., 126, 569-579, 2000.

Cho, Han-Ru,
"Nonlinear Equatorial Kelvin Waves and CISK. Part II: Finite Amplitude Analysis and the Leading Edge of a Cloud Region."
*Quart. J. Roy. Met. Soc., 126, 581-589, 2000..

Zou, J. and Han-Ru Cho
"Nonlinear Schrodinger Equation Model of the Intraseasonal Oscillation"
*J. Atmos. Sci., 2000, In Press.

H. Ye. and Han-Ru Cho
"Spatial and temporal characteristics of intraseasonal oscillations of precipitation over the United States"
*Theor. Appl. Climatol. 68,51-66,2001.

R.E. Stewart , N. Bussieres , Z. Cao ,Han-Ru Cho. et.al.,
"On The Atmospheric,Surface And Hydrological Processes Influencing The Mackenzie Basin Climate System During The 1994/1995 Water Year:A Period Of Record Low Discharge"
*Atmos-ocean. 2001, In press.

Jinliang Liu and Han-Ru Cho
"Characteristics of Water Vapor Transportation in Mackenzie River Basin during the 1994-95 Water Year"
*Atmos-ocean. 2001, In press

Jinliang Liu And Han-Ru Cho
''Effects of Topographic slopes on hydrological processes and climate"
Adv. Atmos. Sci.1.18,No.5,2001.

N.-H. LIN (林能暉)
Highest Education: Ph.D., North Carolina State University 1991
Present Position: Professor (1999--)
Joined NCU Faculty: 1992.8
Research Speciality: Atmospheric Chemistry、Environmental Pollution

Chang M.-B., Lin N.-H., Lee H.-M. and Lo Y.-C.
"Rainwater contamination and sources in Taoyuan County. "
* J. Environ. Sci. Health A32(6), 1641-1653. (1997)

Lin N.-H. and Saxena V. K.
"Changes in stratospheric aerosol parameters over 105-1350E longitude due to eruption of mount Pinatubo."
* J. Aerosol Sc. 28, 697-712 (1997).

林能暉、彭啟明、陳進煌
東亞硫化物之長程輸送:氣流軌跡線之應用,
大氣科學 26, 265-280.(1998)

陳正平、賴建帆、林能暉
台灣北部冬季地形雲之暖雲種雲數值實驗,
大氣科學 26, 19-40.(1998)

Lin N.-H., Lee H.-M. and Chang M.-B.
Evaluation of the characteristics of acid precipitation in Taipei, Taiwan using cluster analysis.
* Water, Air & Soil Pollut. 113, 241-260. (1999)

Lee,C.T., Lin, N.H., Hsu, W. C., Chang, Y. L., and Chang, S. Y.
"Local circulation and aerosol water-soluble ions-a case study in Taiwan during Mey-Yu season"
* Chemosphere 38, 425-443. (1999)

Lin N.-H. and Peng C.-M.
Estimation of the contribution of below-cloud scavenging to the pollutant loadings of rain in Taipei, Taiwan.
Terr. Atmos. Ocean. Sci. 10, 693-704. (1999)

鄭佳芳、林能暉
南高屏地區伴隨臭氧污染事件之環流場特徵分析,
環境保護 22, 120-130.(1999)

Lin N.-H., Lee C.-T., Chan C.-C., Lin W.-L., Chang M.-B., Hsu W.-C., Hong C.-A., King H.-B. and Hsia Y.-J.
A preliminary analysis of chemical characteristics of atmospheric pollutants and their deposition budget on the Fu-Shan forest in Taiwan.
Terr. Atmos. Ocean. Sci. 11, 481-500.(2000)

H.M. JIANG (江火明)
Highest Education: Ph.D., National Central University
Present Position: Associate Professor (1985--)
Joined NCU Faculty: 1978.8
Research Speciality: Synoptic Meteorology、Atmospheric Dynamics

陳泰然 , …江火明…等
氣象學名詞,第四版 , 國立編譯館, pp317,1998.

Jiang H. M.
The Potential Vorticity Analysis of the Upper Troposphere in Mei-yu Season.
Proceedings of the 3rd International Conference on East Asia and Western Pacific Meteorology and Climate. World Scientific Press. 131-135, 1998.

江火明，林惠倫，鄭芳怡，顏芳
專題學習的迷思概念層狀測驗設計-以網路大氣教室【Lain】為例.
優值教學系列叢書，教育部，31-44，2000.

Chen F.C, H.M. Jiang and S.J. Lin,
The analysis of student-mentor discussion in a network-based learning community --The Geoschool experience.
Instructional Science -- An International Journal of Learning and Cognition ".In review, 2001.

PAY-LIAM LIN (林沛練)
Highest Education: Ph.D., National Central University
Present Position: Associate Professor (1988--)
Joined NCU Faculty: 1982.8
Research Speciality: Boundary Layer Meteorology、Mesoscale Meteorology、Air Pollution

Lin, Pay-liam and Young-An Yen,
Heat and Moisture Budget during TOGA COARE.
East Asia and Western Pacific Meteorology and Climate. P.534-540, ISBN 981-02-3047-8 Published by World Scientific Publishing Co. Pte. Ltd., P.O. Box 128 Singapore 912805.(1997)

Chen C, W. K. Tao, Pay-liam Lin, G. S. Lai, S. F. Tseng and T.-C. Chen Wang
The Intensification of the low-level Jet in the Development of Mesoscale Convective Systems in a Mei-Yu Front.
*Mon. Wea. Rev., 126, 349-371.(1998)

潘秋吟，陳台琦，鄧仁星，林沛練
長生命期鋒面雨帶之研究（二）：地形效應。
大氣科學，Vol.27, NO.3 191-213(1999)

林沛練，賴信志
桃竹苗地區空氣品質與氣象條件關係之研究。
中華民國環境保護學會會誌，22。37-58 (1999)

Chang K.-H., F.-T. Jeng, Y.-L. Tsai and P-L. Lin
Modeling of long range transport on Taiwan's Acid Deposition under different weather conditions.
*Atmospheric Environment ,34, 3281-3295(2000)

林沛練，賴信志，盛揚帆
南高屏地區空氣污染事件氣象場四維同化模擬之探討
中華民國環境保護學會會誌，第二十三卷，第二期，139-168（2000）

禚漢如，林沛練，曾仁佑，許晃雄，柯文雄，許武榮
區域氣候變遷模擬系統之整合與應用研究構想
全球變遷通訊，第28期，8-19（2001）

林沛練，曾仁佑，賴信志，盛揚帆
台灣區域氣候變遷預設情景模擬之初步研究
氣候變化綱要公約資訊速報，第30期，1-6（2001）

YUNG-AN LEE (李永安)
Highest Education: Ph.D., Massachusetts Institute of Technology
Present Position: Associate Professor (1988--)
Joined NCU Faculty: 1988.8
Research Speciality: Atmospheric Dynamics、Applied Mathematics

李永安、董昀嵐
"中性濕靜力穩定面的氣候特徵"
大氣科學26, No.2, 133-147. (1998)。

李永安、吳思儀
"位渦與相當位渦的氣候平均、標準差與年循環"
大氣科學28, No.1, 47-62. (2000)。

Lee, Yung-An and Li-Jen Fang
"A possible volcanic signal in NCEP/NCAR reanalysis data"
Terrestrial, Atmosphere and Oceanic Sciences, 11, 895-908. (2000)

Lee, Yung-An
"A T-EOF based prediction method"
Journal of Climate (accepted, will appear in early 2002) (SCI).

REN-YOW TZENG (曾仁佑)
Highest Education: Ph.D., Iowa State University
Present Position: Associate Professor (1993--)
Joined NCU Faculty: 1993.8
Research Speciality: Climate Simulation、Synoptic Meteorology、Atmosphere Dynamics

Tzeng, R.-Y., and Y.-H. Lee,
The effect of land-surface characteristics on East Asian summer monsoon.
* Climate Dynamics, 17, 317-326 (2001)

MING-CHENG YEN (嚴明鉦)
Highest Education: Ph.D., Iowa State University
Present Position: Associate Professor (1995-)
Joined NCU Faculty: 1995.8
Research Speciality: Monsoon Meteorology, Climatology

Chen, Tsing-Chang, and Ming-Cheng Yen
"Interdecadal variation of the Southern Hemisphere circulation."
* J. Climate, Vol. 10, No. 4, (1997) 805-812.

Chen, Tsing-Chang, Ming-Cheng Yen, and Raymond W. Arritt
"Detection of semidiurnal oscillation with a radar wind profiler."
* Bull. Amer. Meteor. Soc., Vol. 79, No. 9, (1998) 1921-1924.

Chen, Tsing-Chang, and Ming-Cheng Yen
"Annual variation of surface pressure on a high East Asian mountain and its surrounding low areas."
*J. Climate, Vol. 12, No. 8, (1999) 2711-2716.

Chen, Tsing-Chang, Ming-Cheng Yen, Shu-Yu Wang, and Raymond W. Arritt
"Roll clouds associated with an East Asian cold front."
*Bull. Amer. Meteor. Soc., Vol. 80, No. 11, (1999) 2199-2208.

Chen, Tsing-Chang, Ming-Cheng Yen, Jung-Chieh Hsieh, and Raymond W. Arritt
"Diurnal and seasonal variations of the rainfall measured by the automatic rainfall and meteorological telemetry system in Taiwan."
*Bull. Amer. Meteor. Soc., Vol. 80, No. 11, (1999) 2299-2312.

Chen, Tsing-Chang, Ming-Cheng Yen, and Jenq-Dar Tsay
"Annual and semiannual variation of surface pressure in Taiwan."
*J. Climate, Vol. 13, No. 8, (2000) 1436-1442.

Chen, Tsing-Chang, Ming-Cheng Yen, and Shu-Ping Weng
"Interaction between the summer monsoons in East Asia and the South China Sea: Intraseasonal monsoon modes."
*J. Atmos. Sci., Vol. 57, No. 9, (2000) 1373-1392.

Yen, Ming-Cheng, and Tsing-Chang Chen
"Seasonal variation of rainfall in Taiwan."
*Inter. J. Climatol., 20, (2000) 803-809.

林松錦、麥如俊、嚴明鉦
"南海夏季季風肇使期間大氣環流特徵與水汽輸送之合成分析"
「大氣科學」, 28, (2000) 281-292。

Chen, Tsing-Chang, Ming-Cheng Yen, Gin-Rong Liu, and Shu-Yu Wang
"Summer upper level vortex over the North Pacific."
*Bull. Amer. Meteor. Soc., Vol. 82, (2001) 1991-2006.

Chen, Tsing-Chang, Ming-Cheng Yen, and Siegfried Schubert
"Diurnal variation of pressure heights: A vertical phase shift."
*J. Climate, Vol. 14, No. 17, (2001) 3680-3685.

Yen, Ming-Cheng
"A revisit of the East-Asian cold surges."
*J. Meteor. Soc. Japan, (2001). (pending review).

YU-CHIENG LIOU (廖宇慶)
Highest Education: Ph.D., University of Oklahoma
Present Position: Associate Professor (1996--)
Joined NCU Faculty: 1996.8
Research Speciality: Radar Meteorology、Data Assimilation

Liou, Y.-C., and D. K. Lilly,
Numerical Study of the Structure and Evolution of a Heated Planetary Boundary Layer with a Jet, J. Geophys. Res., 102, No. D4, 4447-4462 (1997)(SCI).

Liou, Y.-C.,
A Preliminary Study of Retrieving Low Level Vortex Circulation Using a Lagrangian Coordinate and Single Doppler Radar Data.
Terrestrial, Atmospheric and Oceanic Sciences, 10, 321-340. (1999)(SCI-extended).

Liou, Y.-C.,
Single Radar Recovery of Cross-Beam Wind Components Using a Modified Moving Frame of Reference Technique.
J. Atmos. Oceanic Technol., 16, 1003-1016 (1999)(SCI).

羅英祥, 廖宇慶,
單雷達風場反演 - 移動坐標法的特性分析與應用,
氣象預報與分析,1-13, 165期.(2000)

Liou, Y.-C.,
Toward deducing the 3-D thermodynamic structure from only wind fields - A validation study using simulated data set,
Terrestrial, Atmospheric and Oceanic Sciences, 12, No. 1, 15-38 (2001) (SCI extended).

Liou, Y.-C.,
The derivation of absolute potential temperature perturbations and pressure gradients from wind measurements in three dimensional space, J. Atmos. Oceanic Technol., 18, No. 4, 577-590 (2001)(SCI).

Liou, Y.-C. and I.-S. Luo,
An investigation of the moving frame single-Doppler wind retrieval technique using TAMEX low-level data.
J. Apply Meteo., (2001)(in press) (SCI).

KUO-YING WANG (王國英)
Highest Education: Ph.D., University of Cambridge
Present Position: Assistant Professor (2000--)
Joined NCU Faculty: 2000.8
Research Speciality: Atmospheric Chemistry、Environmental Modelling

Stockwell, D.Z., C. Giannakopoulos, P. -H. Plantevin, G.D. Carver, M.P. Chipperfield, K.S. Law, J.A. Pyle, D.E. Shallcross, and K.-Y. Wang,
Modelling Nox from lightning and its impact on global chemical fields,
*Atmos. Environ., 33,(1999),4477-4493.

Wang, K.-Y., J.A. Pyle, M.G. Sanderson, and C. Bridgeman,
Implementation of a convective atmospheric boundary layer scheme in a tropospheric chemistry transport model,
*J. Geophys. Res., 104, 23, 1999, 729-23,745.

Wang, K.-Y., and D.E. Shallcross,
A Lagrangian study of the three-dimensional transport of boundary-layer tracers in an idealized baroclinic-wave life-cycle,
*J. Atmos. Chem., 35, 2000, 227-247.

Wang, K.-Y., D.J. Lary, and S.M. Hall,
Improvement of a 3-D CTM and a 4-D variational data assimilation on a vector machine CRAY J90 through a multitasking strategy,
*Comput. Phys. Commun., 125, 2000, 142-153.

Wang, K.-Y., and D.E. Shallcross,
Modelling terrestrial biogenic isoprene fluxes and its potential impact on global chemical species using a coupled LSM-CTM model,
*Atmos. Environ., 34, 2000, 2909-2925.

Wang, K.-Y., and D.E. Shallcross,
A modelling study of tropospheric distributions of the trace gases CFCl3 and CH3CCl3 in the 1980s,
* Ann. Geophysicae, 18, 2000, 972-986.

Wang, K.-Y., J.A. Pyle, D.E. Shallcross, and D.J. Lary
Formulation and evaluation of IMS, an interactive three-dimensional tropospheric chemical transport model 2, *J. Atmos. Chem., 38, , 2001, 31-71.

Wang, K.-Y., J.A. Pyle, and D.E. Shallcross
Formulation and evaluation of IMS, an interactive three-dimensional tropospheric chemical transport model 1, *J. Atmos. Chem., 38, , 2001, 195-227.

Wang, K.-Y., D.J. Lary, D.E. Shallcross, S.M. Hall, and J.A. Pyle
A review on the use of the adjoint method in four-dimensional atmospheric chemistry data assimilation,
*Q.J.R. Meteor. Soc., 127, , 2001, 2181-2204.

Wang, K.-Y., J.A. Pyle, D.E. Shallcross, and S.M. Hall,
Formulation and evaluation of IMS, an interactive three-dimensional tropospheric chemical transport model 3. Comparison of modelled C_2-C_5 hydrocarbons with surface measurements,
*J. Atmos. Chem., 2001, in press.