Xem 1-20 trên 42 kết quả Heartwood
  • Tuyển tập các báo cáo nghiên cứu về lâm nghiệp được đăng trên tạp chí lâm nghiệp Original article đề tài: Modelling of the shape of red heartwood in beech trees (Fagus sylvatica L.) based on external tree characteristics...

    pdf9p toshiba5 15-09-2011 35 3   Download

  • Tuyển tập các báo cáo nghiên cứu về lâm nghiệp được đăng trên tạp chí lâm nghiệp Original article đề tài: Heartwood and sapwood variation in Eucalyptus globulus Labill. trees at the end of rotation for pulpwood production...

    pdf7p toshiba5 15-09-2011 33 3   Download

  • Tuyển tập các báo cáo nghiên cứu về lâm nghiệp được đăng trên tạp chí lâm nghiệp Original article đề tài:"Beech (Fagus sylvatica L.) – Technological properties, adhesion behaviour and colour stability with and without coatings of the red heartwood"

    pdf9p toshiba5 19-09-2011 34 2   Download

  • Tuyển tập các báo cáo nghiên cứu về sinh học được đăng trên tạp chí lâm nghiệp đề tài: On the durability of Burkea africana heartwood: evidence of biocidal and hydrophobic properties responsible for durability...

    pdf6p toshiba4 20-09-2011 30 2   Download

  • Tuyển tập các báo cáo nghiên cứu về lâm nghiệp được đăng trên tạp chí lâm nghiệp quốc tế đề tài: Mineral nutrient concentrations in sapwood and heartwood: a literature review...

    pdf10p toshiba6 05-10-2011 27 2   Download

  • Tuyển tập các báo cáo nghiên cứu về lâm nghiệp được đăng trên tạp chí lâm nghiệp quốc tế, đề tài: "Element analysis of tree rings in pedunculate oak heartwood: an indicator of historical trends in the soil chemistry, related to atmospheric deposition...

    pdf12p toshiba6 07-10-2011 28 2   Download

  • Tuyển tập các báo cáo nghiên cứu về lâm nghiệp được đăng trên tạp chí lâm nghiệp quốc tế, đề tài: "Variation in the composition and content of ellagitannins in the heartwood of European oaks (Quercus robur and Q petraea). A comparison of two French forests and variation with heartwood age...

    pdf14p toshiba6 07-10-2011 34 2   Download

  • The effects of heartwood and sapwood on kraft pulp properties of Pinus nigra J.F.Arnold. and Abies bornmuelleriana Mattf. were investigated. The differences in terms of chemical composition and fiber properties between the heartwood and sapwood of these species were also examined.

    pdf6p vimb123 11-01-2019 1 0   Download

  • This study investigated the wood quality of 8-year-old Melia azedarach trees grown in Saudi Arabia. The wood quality of the trees was studied in terms of fibre length, specific gravity, and heartwood/sapwood area. The sampled trees were felled, their stem height and diameter were measured, and discs were cut from the stem base and breast height of each tree.

    pdf7p masterbarista 15-01-2019 1 0   Download

  • In relation to the mean increase in the Overall score, Business students had the highest increase (0.41 of a band) and Nursing students the lowest (just 0.23 of a band), but Nursing students had the highest increase in Speaking (0.32 of a band) while for Business students the mean score was actually lower in Test 2 (-0.14 of a band). The Business students had the highest increase in mean score in Listening (0.5 of a band) while the Engineering and IT students had the highest increase in Reading (0.93 of a band) and Writing (0.43 of a band). Given that...

    pdf57p dambaotaikhoan 04-05-2013 136 87   Download

  • Industrialization has become an important factor to the development of a country’s economy, through the establishment of plants and factories. However, the waste or by-products discharged from them are severely disastrous to the environment consists various kind of contaminant which contaminate the surface water, ground water and soil. There are a number of reasons the waste are not safely treated. One of the reasons is mainly due to the lacking of highly efficient and economic treatment technology.

    pdf508p lulanphuong 30-03-2012 60 27   Download

  • The nature of annuities and their potential to be considered both insurance and in- vestment products complicated attempts during this study to differentiate annuities sold by insurance companies as insurance products from those annuities that qualify solely as investment products that happened to be sold by insurance companies. The SAR narratives reference annuities in the manner portrayed in Table 7.

    pdf129p thangbienthai 23-11-2012 53 15   Download

  • The traditional way to build software, used by companies big and small, is commonly known as “The Waterfall”. There are many variants, but it typically begins with a detailed planning phase, where the end product is carefully thought through, designed, and documented in great detail. The tasks necessary to execute the design are determined, and the work is planned using tools like Gantt charts and programs like Microsoft Project. The team arrives at an estimate of how long the project will take by adding up detailed estimates of the individual steps involved.

    pdf16p lenh_hoi_xung 21-02-2013 28 10   Download

  • Many important sport fish species strongly connected with the coastal wetlands include northern pike, muskellunge, largemouth bass, smallmouth bass, bluegill, yellow perch, white crappie, black crappie, channel catfish, black bullhead, brown bullhead, carp and bowfin (Raphael and Jaworski 1979; Jude and Pappas 1992). Structural diversity of the wetlands are represented by vegetation, submergent, floating and emergency important to many fish.

    pdf36p lulanphuong 28-03-2012 48 9   Download

  • This however brings about models and simulation, which is now applied generally to look into the inter-relationship between the parameters and its resultant effects on the environments (Abdulkareem et al., 2011). In this work, mathematical modelling that can be used to predict the quantity of heat radiation from gas flaring station will be developed. The developed model will be simulated and find interaction between various parameters such as distance, volume of gas flared, flared stack efficiency that influence the rate of heat radiation from gas flaring station.

    pdf0p conquynho32 14-09-2012 36 7   Download

  • Food purchasing is an important expression of food habits. This paper therefore examines the factors associated with a household’s decision to purchase organic food products because such information is not yet available for the study area despite anecdotal evidence of the growing importance of organic products in the country. A randomly chosen sample of 200 consumers in rural and urban areas of the province’s two major regions, the former Ciskei and Transkei homeland areas, were enumerated.

    pdf11p ut_hai_can 29-12-2012 47 7   Download

  • This paper will review the rise of digital cinema, the impact of 4K on the cinema experience, the similarities between digital cinema and home theater design, and the prospects for 4K entertainment in the home based on Sony’s revolutionary VPL-VW1000ES projector. To appreciate the importance of 4K, it helps to understand the venue where 4K first emerged: the cinema. 4K is playing a prominent role in the digital cinema revolution and has helped usher in an impressive range of benefits.

    pdf561p khanhchilam 01-04-2013 28 7   Download

  • It’s also important for managers of start-up funds to understand the numerous expenses associated with operating a hedge fund. As an example, many funds – like the $20 million fund described above – cannot afford a non-bundled third-party vendor’s order management system (OMS), risk management product, aggregation service, trade allocation module and attribution tools. Once a fund understands its expenses, it can determine exactly the asset level and performance combination necessary to cover those expenses and have an adequate profit.

    pdf24p quaivatdo 18-11-2012 36 6   Download

  • Like other parts of the economy, the challenge for the public service is to find new ways of working smarter. The business of modern government is increasingly complex and continually challenging. In such a dynamic environment the public sector needs high quality performance information so that it can be responsive to citizens in a rapidly changing world. This framework is a commitment to that end. Our organisations are committed to high quality performance information and to supporting the public sector in improving performance information and performance management. ...

    pdf601p tay_thi_le 19-02-2013 31 5   Download

  • It’s not about keeping our kids safe at school. That wasn’t even mentioned in the president’s speech. They only care about their decades-old gun control agenda — ban every gun they can, tax every gun sold and register every gun owner. This president has taken the art of public deception and manipulation to a whole new level. Consider his proposal for so-called “universal background checks.” At first glance, it sounds like a reasonable, good idea. But there’s nothing “universal” about it. Think about it.

    pdf12p yasuyidol 02-04-2013 52 5   Download


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