Báo cáo lâm nghiệp: "A contribution to the resistance of combined plywood materials to abrasion" potx
Báo cáo lâm nghiệp: "A contribution to the resistance of combined plywood materials to abrasion" potx
... of plywood is available. Plywoods differ in many factors.CONCLUSIONe aim of the paper was to propose the method-ology of testing the abrasion resistance of combined water-proof plywood materials ... aim of the paper was to propose the methodology of testing the abrasion resistance of combined water-proof plywood materials with the phenol-formaldehyde foil surface finish and to assess the ... surface of materials with glass fibre shows specific properties. Before the actual assessment of abrasion resistance, the methodology of testing the abrasion resistance of combined water-proof plywood...
- 9
- 371
- 0
Báo cáo lâm nghiệp: "A pheasantry as the habitat of small terrestrial mammals (Rodentia, Insectivora) in southern Moravia (Czech Republic)" doc
... terrestrial mammals of pheasantries in southern Moravia is therefore aimed at monitoring the effect of specific properties of these habitats (high diversity of biotopes, high concentration of pheasants, ... form of feed) on the diversity of the community of small terrestrial mammals and on the abundance and viability of their populations. Area of studyTwo pheasantries were selected for the study, ... 6.1. Program.RESULTSIn the course of the study, in total 1,745 small mammals of ten species were caught. Of them, seven species of the order Rodentia and three species of Insectivora.Apodemus...
- 8
- 282
- 0
Báo cáo lâm nghiệp: " A contribution to the properties of combined plywood materials" ppsx
... and tougher than the sum of the values of their parts (H, K 2005). At the end of the 70s and at the begin-ning of the 80s of the 20th century, the principle of plywood allowed the ... components (e.g. combined boards for the manufacture of doors into passive houses, ice boxes) or these firms offer these materials as “specialities”. Nevertheless, the manufacture of these materials ... of ply-woods. e density of plywoods significantly affects the capacity of the material to dampen noise. To achieve good sound-proof properties materials of a density of 630 kg/m3 are ordinarily...
- 8
- 514
- 0
Báo cáo lâm nghiệp: "Ecological conditions influencing the localization of egg-laying by females of the cockchafer (Melolontha hippocastani F.)" pps
... relation between the extent of the damage and the individual characteristics of the experimental plots. e relation between the extent of the damage and the method of estab-lishment of the stands ... neighbourhood of the sample plots were sources of maturation feeding of the beetles and a place where they gathered. It is a factor, which contributes to the selection of plac-es in the neighbourhood ... June to July of the second year of their development. e length of the developmental cycle is affected particularly by the temperature during the 1st and 2nd larval stage. In the soil the...
- 9
- 302
- 0
Báo cáo lâm nghiệp: "New insights in the recognition of the European ash species Fraxinus excelsior L. and Fraxinus angustifolia Vahl as useful tools for forest management" pdf
... zones of sympatry (codes are listed in Tab. II). Crosses are plotted at the coordinates of the four phenotypes in the first two dimension of the SCA (the first number in the brackets represent the ... depend on the damagingdegree of the seed lot. We chose to conduct the test on in-tact samaras (seeds within the fruit), first because we wanted to know the ability of both species to germinate ... twospecies: the proportion of the extreme phenotypes (10 and 01)determined the first axis (which explained 73.65% of the ob-served variation), while the second axis represented the pro-portion of intermediate...
- 6
- 521
- 0
Báo cáo lâm nghiệp: "An approach for the analysis of vegetation spectra using non-linear mixed modeling of truncated power spectra" pdf
... which the test statisticsexceeded at the 5% significance level were deemed to contributesignificantly to the variance of a spectra. The choice of r–1 degrees of freedom in the numerator of the ... reduce the dimensions of the data with a minimum of information loss. It must accomplishthis reduction without losing the ability to interpret the results.Transforming a series of observations to ... classified to one of the three species).4. DISCUSSION AND CONCLUSIONSHigh-dimensional autocorrelated data are commonplace insensor data [24, 44, 49]. When the ratio of sample size n to the number of...
- 9
- 598
- 0
Báo cáo lâm nghiệp: "phytotoxic solutions on the respiration of mycorrhizal and non-mycorrhizal spruce roots (Picea abies L. Karst.) Effect of" pot
... a liquid The next stage in these studies is the investigation of the microcosm (cell unit) to determine the part of the respiratory chainaffected by the phytotoxins present ... factors, including the rigor-ous climate, predation of seeds and attackby fungi. Among these causes, the under-growth vegetation may have a phytotoxiceffect on the ... pos-sible to obtain a better understanding of the interactions between phytotoxins andrespiratory mechanisms at the cellularlevel.ReferencesDambrine E. (1985) Contribution...
- 3
- 221
- 0
Báo cáo lâm nghiệp: "ce nucleation and frost resistance of Pinus canariensis seedlings bearing needles in three different developmental states" pptx
... into the mechanism of frost resistance and susceptibility of PSII of P. canariensis needles to extracellular ice. The recuperationand survival capacity after frost damage of variable degrees of severity ... was fitted to the data using P-Fit software (Biosoft, Durham, USA). LT50–values,i.e., the temperature at 50% frost damage, can be read directly from the curve fitting protocol. LT10, the temperature ... months old seedlings were sent to Austria byplane in February 2004 and grown there for three more months in the greenhouse of the Botanical Garden of the University of Innsbruck(natural daylength;...
- 6
- 295
- 0
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
... that the anoma-lous value of the median is caused by the high pol-lution and the presence of humus in the uppermost mineral horizon in the area of the Pass. Pb content in the humus layer is therefore ... distinctness of the area around the Jablunkov Pass is confirmed by the evaluation of the data of forest nutrition survey. Particularly, it consists in the high contents of phytotoxic heavy metals. ... 71symptoms of malnutrition, although their increment is limited. e colour of needles is normal (H 1981).ere is no reliable information on the toxicity of any of the elements to the European...
- 9
- 379
- 0
Báo cáo lâm nghiệp: "A change in structural diversity and regeneration processes of the spruce virgin forest in Nefcerka NNR (TANAP) in relation to altitude" docx
... attribute from the aspect of the developmental stage of the virgin forest, we can state that the highest values were found out in the growth stage and according to the scale outlined by the authors ... 1999). By their help it is possible to add other hierarchical levels of the stand diversity. Selected indices for the description of structural diversity were used in the research of the spruce ... analysis of the influence of the seedbed on the number of spruce and rowan individuals is recorded in Table 5. e analysis of this factor in the spruce virgin forest at altitudes up to 1,300...
- 9
- 390
- 0
Từ khóa: báo cáo lâm nghiệpcách làm báo cáo tốt nghiệphướng dẫn làm báo cáo tốt nghiệp khoa kế toáncách làm bìa báo cáo tốt nghiệpcách làm slide báo cáo tốt nghiệpcách làm báo cáo tốt nghiệp chuyên ngành kế toáncách làm powerpoint báo cáo tốt nghiệptài liệu làm báo cáo tốt nghiệpcách làm bài báo cáo tốt nghiệphướng dẫn làm báo cáo tốt nghiệpbáo cáo tốt nghiệp ngành lâm nghiệphướng dẫn làm báo cáo tốt nghiệp trường lâm nghiệpmẫu bìa làm báo cáo tốt nghiệphướng dẫn làm slide báo cáo tốt nghiệpbáo cáo tốt nghiệp dược lâm sàngBáo 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 cấpNghiên cứu tổ chức chạy tàu hàng cố định theo thời gian trên đường sắt việt namGiáo 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 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 SLIDEPhát triển du lịch bền vững trên cơ sở bảo vệ môi trường tự nhiên vịnh hạ longNghiên cứu tổng hợp các oxit hỗn hợp kích thƣớc nanomet ce 0 75 zr0 25o2 , ce 0 5 zr0 5o2 và khảo sát hoạt tính quang xúc tác của chúngĐịnh tội danh từ thực tiễn huyện Cần Giuộc, tỉnh Long An (Luận văn thạc sĩ)Tìm hiểu công cụ đánh giá hệ thống đảm bảo an toàn hệ thống thông tinSở hữu ruộng đất và kinh tế nông nghiệp châu ôn (lạng sơn) nửa đầu thế kỷ XIXQuản lý nợ xấu tại Agribank chi nhánh huyện Phù Yên, tỉnh Sơn La (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtTrách nhiệm của người sử dụng lao động đối với lao động nữ theo pháp luật lao động Việt Nam từ thực tiễn các khu công nghiệp tại thành phố Hồ Chí Minh (Luận văn thạc sĩ)BÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘIĐổi mới quản lý tài chính trong hoạt động khoa học xã hội trường hợp viện hàn lâm khoa học xã hội việt namMÔN TRUYỀN THÔNG MARKETING TÍCH HỢP