半圆凿 发表于 2025-3-28 16:15:29
Georg Gottlob,Andreas Pieris,Mantas Šimkusreness about the impacts of unchecked development on both nature and humanity. The early days of a seemingly alarmist green fringe warning of impending ecological crisis has been replaced, five decades on, with many people alert to such crisis. Indeed, the growing recogni-tion of environmental problEulogy 发表于 2025-3-28 21:16:13
Meghyn Bienvenu,Michaël Thomazoent fixes the deficit ratio (or, for that matter, the deficit per head). Diamond (1965) builds an overlapping generations model of a growing economy. The government makes public transfers. Specifically it fixes the deficit per head. Diamond postulates the existence and stability of a long-run equili美食家 发表于 2025-3-28 23:21:46
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Mostafa Milani,Andrea Calì,Leopoldo Bertossiave reduced the property share of large estates from about 36 per cent to just over 10 per cent and have transferred it to small-scale producers (INRA-OEA, 1991). Further, economic analysis has shown that smaller scale peasant production systems provide social value added and net generation of foreioncologist 发表于 2025-3-29 19:10:47
Kwabena Nuamah,Alan Bundy,Christopher Lucasmpacting Concrete (SCC). First, SCC mixes were prepared by replacing parts of 43-grade Ordinary Portland Cement (OPC) with different combinations of FA + SF to find their optimum replacement level (25%). Then, another set of SCC mixes was prepared by replacing parts of Natural coarse aggregate (NCA)休战 发表于 2025-3-29 20:28:01
Yuan Ren,Jeff Z. Pan,Isa Guclu,Martin Kollingbaumhe environment caused by various forms of pollution. An avalanche of literature has been published since the 1980s on the pervasiveness of environmental decay ranging from local to even global scales and culminating in the widely cited Brundtland Report (WCED 1987). Sustainable development has clear骚动 发表于 2025-3-30 02:22:02
Birte Glimm,Yevgeny Kazakov,Trung-Kien Tranapabilities for the realization of these human values. Values thus are coupled to capabilities, that is, a person’s physical and/or mental capabilities to do or be something. For example, if a lot of value is awarded to ‘mobility’, the required ‘capability’ would be a vehicle or aircraft. Capabiliti坦白 发表于 2025-3-30 04:19:27
Georg Gottlob,Andreas Pieris,Mantas Šimkusn and advanced water treatment technology available. However, there remain certain challenges for improving the cost-effectiveness and sustainability of RO desalination plants in various applications. In low-pressure RO applications, both capital (CAPEX) and operating (OPEX) costs are largely influe