Sertifitseerimiskeskus

The Guidelines for Climate Adaptive Forest Restoration and Reforestation Projects address key questions for climate adaptive forest restoration and reforestation success. Forestry professionals often encounter complex issues related to climate change and the need to adapt forest management practices while preserving biodiversity and maintaining sustainable ecosystems. This book is a compendium of practices based on robust and up-to-date knowledge. The 11 chapters of this guideline focus on the main research questions: how to set the goals of reforestation; how to select the best forest reproductive material; how to determine the appropriate attributes and methods to produce Forest Reproductive Material; and how to apply the best forest establishment techniques and develop post-planting protection and silviculture? Although this work mainly refers to the context of European forestry, practitioners, scientists, environmentalists and decision-makers worldwide will find guidance on how to address the challenges of climate-resilient forest management. Thanks to the joint efforts of 10 editors and 130 authors, scientists, and experts in climate-smart forestry, members of PEN-CAFoRR (Pan-European Network for Climate Adaptive Forest Restoration and Reforestation) COST Action (CA19128), a unique publication has been developed to meet the growing demand for practical knowledge. We are now entrusting this book to people who are deeply committed to the idea of maintaining and shaping future forests. The guideline is available in open access formula.

Бурное строительства промышленных и гражданских зданий и сооружений предполагает развитие производства отрасли строительных материалов с улучшенными физико-механическими характеристиками, способными понизить себестоимость возводимого объекта, а также сроки возведения, при безусловном обеспечении надёжности, долговечности и повышения его эксплуатационных характеристик. В статье рассмотрены экономические и технические аспекты применения одного из основных стеновых материалов в строительстве – ячеистого бетона.

Oseltamivir is an important antiviral drug, which possess three chirality centers in its structure. From eight possible stereoisomers, only two have been synthesized and evaluated so far. We describe herein the stereoselective synthesis, computational activity prediction and biological testing of another three diastereoisomers of oseltamivir. These isomers have been synthesized using stereoselective organocatalytic Michael addition, cyclization and reduction. Their binding to viral neuraminidase N1 of influenza A virus was evaluated by quantum-chemical calculations and their anti-influenza activities were tested by an in vitro virus-inhibition assay. All three isomers displayed antiviral activity lower than that of oseltamivir, however, one of the stereoisomers, (3S,4R,5S)-isomer, of oseltamivir showed in vitro potency towards the Tamiflu-sensitive influenza viral strain A/Perth/265/2009(H5N1) comparable to Tamiflu.

Presents a collection of slides covering the following topics: ASIC; flash memory controller; and flash memory management.

<div class="htmlview paragraph">The 14/42V Electrical System Architectures have been the subject of discussions in many technical meetings. Some of the major challenges are: system cost, mixed load handling flexibility, jump start issue, battery service life, and transient voltage under load dump situation. In this paper, a patented, bi-directional, charge-transfer circuit is evaluated against these criteria. Circuit performance is discussed in details. It covers circuit efficiency, battery voltage ripple, and transfer-current ripple, and the effectiveness of balancing the battery voltages under various mixed 12/36V loads. The energy transfer principle between a 14V system and a 42V system is presented to demonstrate the cross jumping and surge-load handling capability. The bi-directional energy transfer capability of the circuit easily keeps the load-dump transient-voltage under the 58V limit with either the 14V or the 28V batteries are disconnected.</div>