Báo cáo lâm nghiệp: " A comparison of the photosynthetic radiation response of Scots pine shoots in direct and diffuse radiation" pot
Báo cáo lâm nghiệp: " A comparison of the photosynthetic radiation response of Scots pine shoots in direct and diffuse radiation" pot
... horizontal irradiance, the amount of intercepted radiation is many times great-er in the spherical radiation field. In a direct radiation field, the amount of inter-cepted radiation, ... A comparison of the photosynthetic radiation response of Scots pine shoots in direct and diffuse radiation P. Oker-Blom1H. Smolander2T. Lahti3! University of Helsinki, ... photosynthetic rate of a shoot in direct radiation is calculated using the distribution of radiation within the needles and a Blackman curve giving the best fit to measured...
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Báo cáo lâm nghiệp: "A pheasantry as the habitat of small terrestrial mammals (Rodentia, Insectivora) in southern Moravia (Czech Republic)" doc
... using the standard method of line trapping by means of snap traps (P 1975) and combinations of snap and fall traps laid in the shape of Y (Ř et al. 1998). Traps in lines were laid ... there. In Ulmeto-Fraxinetum carpineum, Sambucus nigra and Crategus laevigata are dominant and also some young specimen of trees occurred. In the herb stratum, Urtica dioica, Galium aparine, ... Cardamine am-ara. In Carpineto-Quercetum acerosum, the highest dominance of Acer campestre and young specimens of the tree stratum was recorded with Alliaria of- ficinalis, Veronica hederifolia,...
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Báo cáo lâm nghiệp: " A contribution to the properties of combined plywood materials" ppsx
... examined. e failure of materials at separate layer interface ow-ing to shear in bending oneself partially approved. is is again a theme of another research inclusive of determination of the ... and the distance of supports are measured, and deflection at loading and maximal faulted load-ing are determined.Modulus of elasticity is calculated from the linear section of the loading-deflection ... load-ing diagram (N); F1 has to be approximately 10%, F2 40% of maximal loading, a 2 – a 1 – increase in the deflection of the sample at the point of load force (mm), adequate to loading...
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Báo cáo lâm nghiệp: "A contribution to the resistance of combined plywood materials to abrasion" potx
... points of abra-sion in samples without glass fibres inclusive the arithmetic mean, standard deviation and coefficient of variation.Table 2 shows the initial and final points of abrasion in samples ... glass fibres inclusive the arithmetic mean, standard deviation and coefficient of variation.Table 2. e initial and final point of abrasion in samples with glass fibresSampleInitial point of abrasion ... is based on the DIN 53 799 standard, being however completed by the procedure of sampling, prepara-tion and air conditioning of samples in such a way that a well-arranged and integrated instruction...
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Báo cáo lâm nghiệp: "A comparison of two modelling studies of environmental effects on forest carbon stocks across Europe" ppsx
... greatestdetail. The EFM has 261 parameters and 50 state variables, rep-resenting tree volume and height as well as pools of water and various C- and N-containing materials in soil and tree organs. The ... in the temperate zone an increase in NPPis offset by a larger increase in Rs and in the Mediterranean zone a fairly large increase in NPP is heavily offset by the increase in Rs producing the ... Simulations of changes in C- and N-cycling The increase in NPP because of environmental change ledto an increase in carbon stock in tree and soil at the end of the simulated 80-year growing...
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Báo cáo lâm nghiệp: "A comparison of fitting techniques for ponderosa pine height-age models in British Columbia" potx
... tovariant, but the shape of the curves only changed marginally,at least within the range of the of the data. The statistical analysis shows that height growth patterns forponderosa pine in the ... 0.0040)b11.385(0.0178)b20.8498(0.0472) The standard error of the parameter estimates are in parentheses below the estimate; the p-value for the mean error and W statistics are in parenthesesbelow the statistic; RMSE: root mean ... available in the plot, then the plot was rejected as a stem analysis sample plot.During the stem analysis sampling, each plot was re-visited and a diameter tally was taken for all trees in the...
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Báo cáo lâm nghiệp: "A digital photographic method for 3D reconstruction of standing tree shape" ppt
... logs and the external shape of each log measured in the laboratory.This information is then combined and used to reconstruct the initial 3D shape of the tree. The accuracy of this approach wasquantified ... wasquantified by taking two measurements of the coordinates of a series of targets attached to nine mature standing trees, with-out moving the total station. The results from the comparison indicated ... was the most limiting factor to measure the position of the standing trees. The disadvantages of thismethod are that a minimum of three targets per log must beattached to the stem of standing...
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Báo cáo lâm nghiệp: "A method for multiple intra-ring demarcation of coniferous trees" ppt
... district of Saguenay, Quebec, Canada. The annual mean airtemperature of the site is 3.1 °C, and total rainfall is 652 mm. Anadditional 259.4 mm falls as snow annually. Sample trees have beensubject ... number, sothat the first cell of a radial cell file was set as the 1% and the last oneas the 100% of intra-ring position. W/L ratio for each cell was calcu-lated as the mean single cell wall thickness ... radial cell files of mature balsam fir, and showed its potential as an objective,robust and easily applicable adjustment tool.multiple intra-ring demarcation / intra-ring variation / wall-lumen...
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Báo cáo sinh học: "A comparison between the β-globin gene clusters of domestic sheep (Ovis aries) and Sardinian mouflon" docx
... common haplo-types: the A haplotype bearing the adult HBB A allele and the B haplotype bearing the adult HBBB allele (Garner and Lingrel, 1988, 1989). The A haplotype ... possibility of an advantage in synthesizing Hb C in a wild-type niche in the case of mouflon. Evans and Turner (1965) evidenced a certain reproductive advantage of the duplicated ... 3, 189-198Manca L, Di Luccia A, Pieragostini E, Naitana S, Masala B (1993) Haemoglobin I: a new#-globin chain variant found in sheep of Italian breeds. Anim Genet 24,...
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Báo cáo lâm nghiệp: "A survey of forest pollution with heavy metals in the Natural Forest Region (NFR) Moravskoslezské Beskydy with particular attention to Jablunkov Pass" docx
... quantity and quality of organic matter and by the altitude of sampling sites. e higher values of medians of zinc, lead and cadmium contents are found in the area of the Pass. Chromium is an ... 1994).Methods of statistical analysisExploratory statistical analysis involves the ex-amination of mean values, coefficients of variation, maximum and minimum values, and coefficients of skewness and kurtosis. ... spruce and beech stands (Fig. 4).Cadmium In the case of cadmium, evident higher pol- lution is detected in the area of the Jablunkov Pass in comparison with the remaining area of NFR. e spatial...
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Từ khóa: Báo cáo thực tập tại nhà thuốc tại Thành phố Hồ Chí Minh năm 2018Báo cáo quy trình mua hàng CT CP Công Nghệ NPVNghiên cứu tổ hợp chất chỉ điểm sinh học vWF, VCAM 1, MCP 1, d dimer trong chẩn đoán và tiên lượng nhồi máu não cấpMột số giải pháp nâng cao chất lượng streaming thích ứng video trên nền giao thức HTTPNghiên cứu vật liệu biến hóa (metamaterials) hấp thụ sóng điện tử ở vùng tần số THzđề thi thử THPTQG 2019 toán THPT chuyên thái bình lần 2 có lời giảiBiện pháp quản lý hoạt động dạy hát xoan trong trường trung học cơ sở huyện lâm thao, phú thọGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitNGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWAN SLIDENghiên cứu về mô hình thống kê học sâu và ứng dụng trong nhận dạng chữ viết tay hạn chếThiết kế và chế tạo mô hình biến tần (inverter) cho máy điều hòa không khíSở hữu ruộng đất và kinh tế nông nghiệp châu ôn (lạng sơn) nửa đầu thế kỷ XIXKiểm sát việc giải quyết tố giác, tin báo về tội phạm và kiến nghị khởi tố theo pháp luật tố tụng hình sự Việt Nam từ thực tiễn tỉnh Bình Định (Luận văn thạc sĩ)chuong 1 tong quan quan tri rui roNguyên tắc phân hóa trách nhiệm hình sự đối với người dưới 18 tuổi phạm tội trong pháp luật hình sự Việt Nam (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtTÁI CHẾ NHỰA VÀ QUẢN LÝ CHẤT THẢI Ở HOA KỲ