西瓜 发表于 2025-3-27 00:37:25

Y. C. Bae,S. Hadjikyriacou,H. Schlaad,R. Faust of the third millennium. Academic research faces a dual question: Is it scientifically fruitful to expand the concept of international security, which was originally restricted to research into the causes of wars, and to what extent is the environmental dimension of security policy suitable for pra

支柱 发表于 2025-3-27 04:57:50

http://reply.papertrans.cn/48/4753/475223/475223_32.png

finite 发表于 2025-3-27 08:27:08

H. Mayrences —.. The development of this field is the outcome of a confluence of quite disparate research interests: Traditional security studies have viewed the focus on environmental conflict as an opportunity to outline new dimensions of national security, the nuclear threat having subsided. For peace r

majestic 发表于 2025-3-27 09:45:20

http://reply.papertrans.cn/48/4753/475223/475223_34.png

RACE 发表于 2025-3-27 17:39:35

J. E. Puskas,M. G. Lanzendörfer,H. Peng,A. J. Michel,L. B. Brister,C. Pauloic case studies.Environmental change in general, and climatic change in particular, are likely to impact significantly upon resources such as water and soils, transforming present day landscapes and their ecological characteristics. As a consequence, disruptions of socio-economic activities in sensi

Small-Intestine 发表于 2025-3-27 21:09:03

R. F. Storey,C. L. Curry,T. L. Maggioge become more susceptible to the emergence, invasion, and spread of opportunistic species. When subject to multiple stresses, natural environments may exhibit reductions in resilience and regenerative capabilities. It is sometimes assumed that the time scales associated with environmental change ar

六个才偏离 发表于 2025-3-28 00:07:43

http://reply.papertrans.cn/48/4753/475223/475223_37.png

Creatinine-Test 发表于 2025-3-28 05:37:12

http://reply.papertrans.cn/48/4753/475223/475223_38.png

熄灭 发表于 2025-3-28 08:23:11

Cationic Polymerization: Industrial Processes and Applications,polymerization methods enable the synthesis of unique polymer structures that are utilized in an array of significant commercial applications. A brief but concise description of the cationic mechanism is necessary in order to enhance current industrial processes as well as to generate novel and usef

braggadocio 发表于 2025-3-28 14:11:13

New Branched Polyisobutenes and Butyl Rubbers by the Inimer Method,butyl rubber using the . method is presented. Branched copolymers were prepared in solution and bulk, using p-chloromethylstyrene (vinylbenzyl chloride) as . and MAO and diethylaluminum chloride as coinitiators. The polymers were characterized by SEC-viscometry.
页: 1 2 3 [4] 5 6 7
查看完整版本: Titlebook: Ionic Polymerizations and Related Processes; Judit E. Puskas,Armin Michel,Shahzad Barghi Book 1999 Springer Science+Business Media Dordrec