Báo cáo khoa học: "Stem basic density and bark proportion of 45 woody species in young savanna coppice forests in Burkina Faso" pdf
Báo cáo khoa học: "Stem basic density and bark proportion of 45 woody species in young savanna coppice forests in Burkina Faso" pdf
... High bark basic density, bark thickness and Original articleStem basic density and bark proportion of 45 woody species in young savanna coppice forests in Burkina FasoRobert Nygård* and Björn ... fuel-wood production in natural savanna forests. The aim of this paper was todetermine stem wood basic density and bark proportion for woody species in young coppice stands in Burkina Faso. This would ... pro-duction of debarking there is a need to determine the dif-ference in bark proportion between woody species. In general, there is a variability of basic density among individuals of a given species, ...
- 11
- 315
- 0
Báo cáo khoa học: "Modelling the profile and internal structure of tree stem. Application to Cedrus atlantica (Manetti)" pot
... area in Scots pine (Pinus syl-vestris), Can. J. For. Res. 25 (1995) 970–977.[34] Mäkinen H., Effect of stand density on radial growth of branches of Scots pine in southern and central Finland, ... situation regarding the model-ling of the form and internal structure of trunks, byproposing a series of allometric models which are com-patible in terms of stem, ring, bark and sapwood profiles.Some ... A isthe age in years, and d1 and d2are parameters.2.2.3. Bark profile model In order to obtain the stem profile or increment profileinside bark from the outside bark stem profile, we choseto...
- 18
- 325
- 0
Báo cáo khoa học: "Vegetative development, primary and secondary growth of the shoot system of young Terminalia superba tropical trees, in a natural environment. II. Terminal growth, lateral growth and main stem-branch growth correlations" ppsx
... of radial growth and the beginning of branchshrinkage also coincided with the beginning of branching in a recently initiated tier (fig9). Thus radial growth of branches lasted ... of branching in the recently initiated tier. Thedeveloping tier exhibited more and morebranch buds, each of them expanding intoa rosette of leaves and remaining activefor ... initiated tier because, firstly,axis shrinkage is assumed to indicate aloss of water and, secondly, the shrinkage of branch bases started at the beginning of branching...
- 20
- 447
- 0
Tài liệu Báo cáo khoa học: X-ray crystallographic and NMR studies of pantothenate synthetase provide insights into the mechanism of homotropic inhibition by pantoate docx
... 164° and )169° in the A-chain and B-chain of nPS, respectively. The v1torsion angle forAsp35 changes from ) 75.20° to )171.65° and )89.25° in the A-chain and B-chain of nPS, and in the case of His37, ... panto-ate-binding and ATP-binding sites of PS [11]. ATPcaused additional changes in the spectrum, particularlyfor those residues that lie in the ATP-binding pocket.Interestingly, in the presence of ... ATP-binding pocket. Pantoatebinding to the ATP-binding site induced large changes in structure, mainlyfor backbone and side chain atoms of residues in the ATP bindingHXGH(34–37) motif. Sequence-specific...
- 16
- 791
- 0
Tài liệu Báo cáo khoa học: Processing, catalytic activity and crystal structures of kumamolisin-As with an engineered active site pptx
... conforma-tion of His78 is virtually identical in the single and double mutants involving this residue (Fig. 5B,D). In both cases, the side chain is removed from the vicinity of Ser278 and Asp82 and the ... 7.0 and 4 °C for 6 h, followed by SDS ⁄ PAGE. The rate of ligation was estimated from percentageintensity of the band of the 57-kDa protein in a total of intensities of the 57-kDa, 38-kDa and ... the interactions betweenSer278 and Asp164. Thus the introduction of an aspa-ragine instead of an aspartic acid into the oxyanionhole had the unexpected result of shifting the sidechain of...
- 14
- 458
- 0
Báo cáo khoa học: Alternative splicing: good and bad effects of translationally silent substitutions pdf
... field for the investigation of the ele-ments involved in splicing regulation and the integra-tion of all these approaches will give us the bestchance of finally understanding the splicing mechanismitself.An ... to demonstrate purifyingselection at silent sites in the gene of interest and todemonstrate that such constraint is necessary to main-tain correct splicing of the gene. In fact, although we ... presence of polypyrimidine tract binding protein binding sites.However, it would be wrong to conclude that evolu-tionary changes happening in human introns should beconsidered ‘bad’ because of a...
- 5
- 437
- 0
Báo cáo khoa học: Protein–protein interactions and selection: generation of molecule-binding proteins on the basis of tertiary structural information potx
... fragments and nonantibody small scaffold proteins from X-ray and NMR analyses enables the design of and screeningfor small binding proteins. The preparation of thesmall binding proteins with binding ... protein–protein interactions and selectingspecific binders to novel target proteins, and the first and second minireviews focus on the detection of protein–protein interactions [8,9]. In this third minire-view, ... randomized locations in scaffold proteins and diver-sity of amino acids in libraries should be carefullyconsidered. In the use of artificial libraries for generating bind-ing proteins, Fvs of...
- 9
- 505
- 0
Báo cáo khoa học "ADIABATIC TEMPERATURE RISE AND REACTION RATE OF MASS STRUCTURE IN LOTTE CENTER HANOI PROJECT " pptx
... thermal crack index is over 1.0 and a curing time of mass-section foundation decreases within 18 days through minimizing binders in concrete and adjusting hydration heat and delay setting time between ... concrete. The method of curing concrete is demonstrated in 3.3 and shown in Figure 6. Figure 6. Shape and curing plan of mat foundation 4.3 Thermal stress and TCI of mat foundation Hydration ... stress is determined by ascension rate of peak temperature, peak temperature and intensity of restraint, it can be minimized by shop drawing, material, mixture design, construct and curing control....
- 7
- 492
- 3
Báo cáo khoa học: Substrate specificity and transport mode of the proton-dependent amino acid transporter mPAT2 potx
... spectrum thatincludes not only t he amino acids glycine, alanine, serine and proline but also osmolytes such as sarcosine and betaine, and theD-enantiomers of serine and alanine. Theapparent ... substrate w ithin the substrate bindingsite of PAT2, and this may simultaneously avoid theinterference of the polar side ch ain w ith c orrespondingamino acid residues in the binding pocket. ... PAT2.Only glycine and alanine were a ble to induce comparableinward currents in oocytes expressing PAT2 with a h ighaffinity interaction ( Fig. 1A and Table 1). T he elongation of the side chain by...
- 8
- 541
- 0
Báo cáo khoa học: Functional fine-mapping and molecular modeling of a conserved loop epitope of the measles virus hemagglutinin protein pdf
... with1 lM of HNE reporter peptide in coating buffer. Afterwashing and blocking, 50 lL of 400 pM BH216 in dilutionbuffer, preincubated with twofold dilutions of the inhibitingpeptide of interest, ... so that binding to the individualFig. 1. Binding competition of mAb BH216 (20 nM) to immobilizedHNE reporter peptide in the presence of increasing concentrations of oxidized (r) and reduced ... constraint required for binding to the keyresidues of the epitope.The HNE binding motifResidues critical for binding of mAb BH216 were deter-mined by substitution analysis of the HNE peptide, in...
- 13
- 492
- 0
Từ khóa: báo cáo khoa học mẫubáo cáo khoa học y họcbáo cáo khoa học sinh họcbáo cáo khoa học nông nghiệpbáo cáo khoa học lâm nghiệpbáo cáo khoa học thủy sảnMột số giải pháp nâng cao chất lượng streaming thích ứng video trên nền giao thức HTTPNghiên 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 carôtenôitNGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWAN SLIDEPhát triển mạng lưới kinh doanh nước sạch tại công ty TNHH một thành viên kinh doanh nước sạch quảng ninhPhát triển du lịch bền vững trên cơ sở bảo vệ môi trường tự nhiên vịnh hạ longTìm hiểu công cụ đánh giá hệ thống đảm bảo an toàn hệ thống thông tinThiết kế và chế tạo mô hình biến tần (inverter) cho máy điều hòa không khíChuong 2 nhận dạng rui roTổ chức và hoạt động của Phòng Tư pháp từ thực tiễn tỉnh Phú Thọ (Luận văn thạc sĩ)BT Tieng anh 6 UNIT 2Tăng trưởng tín dụng hộ sản xuất nông nghiệp tại Ngân hàng Nông nghiệp và Phát triển nông thôn Việt Nam chi nhánh tỉnh Bắc Giang (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtchuong 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 vậtĐổi 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