number growth and share of patent applications filed under the patent co operation treaty owned by universities 1994 2006
Báo cáo khoa học: "Growth and development of individual Douglas-fir in stands for applications to simulation in silviculture" potx
... growth curves of the sample trees by the slope of the curves, prior to the competition effects Potential height growth rate is possibly equal to the observed growth rate competition by the surrounding ... partly by the positioning of the middle part of the zone of crown contact, on the test trees, for the past years (we recall that this position was presumably set at the point of stabilization of the ... photosynthetic efficiency ratio was derived from this work, based on the evolution of apparent photosynthesis along the growth season The area under the curve of a given year was divided by the corresponding...
- 16
- 368
- 0
Growth and characterization of nickel oxide thin films and nanostructures for novel device applications
... connected with the electrode Therefore, a detailed understanding of the nature and the formation of the conductive filament is essential for the understanding of the RS mechanism By using in-situ ... amount of ions and defects, but once a small number of them connect between the two electrodes, the rest of the filament stop developing due to the lack of electric field which is limited by the compliance ... used in the formation of the conductive filament The dependence of the RS behavior on the electrode materials is thus important for the understanding of the switching mechanism Most of the studies...
- 155
- 933
- 0
Tài liệu Growth and Decline of the Economies of Europe and the US docx
... understand that Europe has developed at the cost of their colonies They plundered the riches of the kings and people of the countries they colonized They exploited the mineral resources of the colonies ... regarding the rise of the economic power of Western Europe and the United States and the causes of the decline of the economic power It is also an appeal to the professional economists and academicians ... verge of collapse? Or does it mean the prosperity of the limited companies and business houses of the nation, their assets and profitability or the wealth and prosperity of the super rich or the...
- 90
- 482
- 0
Spontaneous growth and luminescence of si siox core shell nanowires
... several tens of such nanowires reveal that the diameter of the core and the thickness of the shell are relatively uniform, in the range of 20–30 nm The inset shows the SAED pattern recorded perpendicular ... nanoparticles (minor component in the products) are found to coexist with the nanowires, and some of them self-assemble together and appear in the form of short chain Further magnified TEM images and SAED ... direction of the nanowire, suggesting a different phase composition between the central part and the two peripheries of the nanowire, which leads to the coaxial core-shell structure TEM observation of...
- 6
- 374
- 0
Báo cáo khoa học: Methylcitrate synthase from Aspergillus fumigatus Propionyl-CoA affects polyketide synthesis, growth and morphology of conidia ppt
... degree of disruption of the mycelium and some loss of the acyl-CoA during the purification procedure Anyhow, an approval of the procedure with known concentrations of acetyl-CoA and propionylCoA ... determined under standard assay conditions Km values for the substrates oxaloacetate, acetyl-CoA and propionyl-CoA were determined by measuring the release of CoASH in dependence of the concentration of ... in the range of 0.19 and 0.019 mm The Ki for propionyl-CoA was determined in the presence of 0.15 mm propionyl-CoA and varying concentrations of CoASH Pyruvate excretion to the medium after growth...
- 16
- 325
- 0
hydrothermal growth and characterizations of dandelion-like zno
... however the shape effects of the 1D nanomaterial remained relatively unexplored Furthermore, the anisotropic growth of the crystal contributes to the formation of the nanorods At the first step of the ... candidate to study the growth habit of hexagonal structure under different experimental conditions To understand the growth mechanism of the 3D ZnO nanostructures, the ZnO product is also synthesized ... EDAX pattern of the ZnO product, with the inserted box showing the region selected for the analysis, and the derived elemental composition The analysis shows that the region consists of compounds...
- 6
- 432
- 0
Báo cáo sinh học: "Growth and fabrication of InAs/GaSb type II superlattice mid-wavelength infrared photodetectors" pot
... sticking coefficients are less than 1, two types of interfaces may be formed, the GaAs-like and the InSb-like, according to the growth conditions Therefore, in InAs/GaSb SL growth, the interface controls ... cutoff wavelength In SL material growth, the control of interface type and quality dramatically affects the overall material quality [13] As InAs and GaSb have no common atoms and both arsenic and ... between the heavy-hole and light-hole subbands induced by the strains in the SL Tunneling currents in SL detectors are reduced due to the large electron effective mass The band structures of the...
- 14
- 353
- 0
báo cáo hóa học:" Growth and fabrication of InAs/GaSb type II superlattice mid-wavelength infrared photodetectors" potx
... sticking coefficients are less than 1, two types of interfaces may be formed, the GaAs-like and the InSb-like, according to the growth conditions Therefore, in InAs/GaSb SL growth, the interface controls ... cutoff wavelength In SL material growth, the control of interface type and quality dramatically affects the overall material quality [13] As InAs and GaSb have no common atoms and both arsenic and ... between the heavy-hole and light-hole subbands induced by the strains in the SL Tunneling currents in SL detectors are reduced due to the large electron effective mass The band structures of the...
- 14
- 414
- 0
Báo cáo hóa học: " Growth and characterization of gold catalyzed SiGe nanowires and alternative metal-catalyzed Si nanowires" pot
... During the VSS growth, the catalyst remains solid at the top of the NW and enhances the adsorption and decomposition of the precursor Figure shows a TEM image of the PtSi catalyst at the top of a ... this condition, there is no tapering of the NW The inset in Figure 4d shows a SEM image of the catalyst after growth The cylindrical-faceted shape is typical of VSS growth increase of the NW growth ... First, the composition of the SiGe NW has been studied as a function of the temperature and of the gas ratio: R = PGeH4/(PSiH4 + PGeH4), where PX is the partial pressure of the precursor X The germane...
- 9
- 441
- 0
Báo cáo hóa học: " Hydrothermal Growth and Application of ZnO Nanowire Films with ZnO and TiO2 Buffer Layers in Dye-Sensitized Solar Cells" docx
... 7.3 mM of PEI for 40 h on the bare FTO substrate and on the TiO2-coated FTO substrate with the ZnO seeds prepared by dip-coating The mean values of the nanowire dimension, the array density and ... images of two samples prepared with 7.3 mM of PEI for 30 h on the FTO substrates with ZnO seed layers prepared by spin-coating and dip-coating The mean values of the nanowire dimension, the array ... wires cm-2) The effect of the TiO2 blocking layer on the photovoltaic performance of a DSSC was investigated The current– voltage characteristics of the DSSCs for the bare and TiO2coated FTO substrates...
- 7
- 403
- 0
Báo cáo lâm nghiệp: "Effect of stand segmentation on growth and development of Norway spruce stands" pps
... trees growing in the first row (next to the track) in comparison with the group of trees from the second and the third row (11.1 and 8.8 m) On the other hand, the h/d ratio and height were not ... (present) width of tracks was determined by means of surveyed positions of trees (and their rows) and reconstructed axis (centre) of the track in plot The only exception was plot 4, where the track ... postponing further operations into the phase when the stand reaches the top height hdom 20 m Programme differs from programme only in the simulation of machinery use and consequently in the width of tracks...
- 7
- 380
- 0
Báo cáo lâm nghiệp: "Effects of selective thinning on growth and development of beech (Fagus sylvatica L.) forest stands in south-eastern Slovenia" docx
... selected The intensity of thinning can be indicated by the standardized stand density index (SSDI), which is the quotient between the SDI of the thinned stand and the SDI of the control stand [37] ... beginning of the study, the growing stock of the thinned and control subplots was almost the same Before the last thinning in 2001, the growing stock of the control stands C1 and C2 was 23% and 18% ... Thinning operations began rather cautiously during the pole phase of the stands – at the age of 70 years Specifically, we studied the efficiency of selective thinning by comparing stand structure and growth...
- 11
- 365
- 0
Báo cáo lâm nghiệp: " Effects of ectomycorrhizal inoculation and the type of substrate on mycorrhization, growth and nutrition of containerised Pinus pinea L. seedlings produced in a commercial nursery" docx
... required by the fungus [11, 35] The lack of stimulation of seedlings growth by the fungi could also be influenced by nursery practices like the fertilisation levels, the type of substrate, or the container ... However, the benefices of these fungal structures could be minimised under nursery conditions On the other hand, the type of potting substrate did not affect P pinea seedlings growth Composted ... composted pine-bark even totally prevented the formation of mycorrhizas The relatively high pH value (7.7) of the substrate could have reduced the efficacy of all fungi tested Since most of them...
- 6
- 509
- 0
Báo cáo lâm nghiệp: "Variations in growth and virulence of Leptographium wingfieldii Morelet, a fungus associated with the bark beetle Tomicus piniperda L" pot
... induced by the mechanical stress due to the tunneling activity of the insect and can be considerably amplified by the fungi introduced by the beetle into the wound [14, 20] The level of resistance of ... Map of the forest of Orléans, with limits of the state forests, the massifs and the zones of pine forests The numbers of the plots from where the isolates were originating are indicated collected ... each isolate, and the growth was recorded each day during days by the measurement of orthogonal diameters from which the diameter of the agar plug was subtracted In 1995, growth of the 15 isolates...
- 9
- 308
- 0
Báo cáo lâm nghiệp: "Growth and nutrition of container-grown ponderosa pine seedlings with controlled-release fertilizer incorporated in the root plug" docx
... 1996), these seedlings were then cut at the root collar, and the root system was extracted from the container and hand washed The shoot was separated into needles and stem The needle, stem and root ... mortality caused by the osmotic effect of high salt concentration in the rooting zone, intensive competition from vegetation, and contamination of underground water system and rivers if the products ... investigate the applicability of a number of different controlled-release fertilizer products The fertilizers were either applied into the root plug of containerized ponderosa pine stock in the green...
- 8
- 384
- 0
Báo cáo khoa học: "Growth and fructification of a Norway spruce (Picea abies L. Karst) forest ecosystem under changed nutrient and water input" doc
... give the stand a chance to recover, instead the phase of recovery was monitored by continuous measurements A directly adjacent non-roofed part of the stand (ambient control D0) and a roofed control ... year The higher the number of cones formed during the vegetation period, the smaller was the growth in height of the trees DISCUSSION The growth increment of trees must be considered to be the ... of the control trees as early as one year after the drought, the dominated roofed trees on D3 developed better in the following years than the trees of the other two roofs The radial growth of...
- 10
- 178
- 0
Báo cáo khoa học: "atterns in individual growth, branch population dynamics, and growth and mortality of first-order branches of Betula platyphylla in northern Japan" docx
... related to the size and height of branches, the competitive status of individuals, and the size and growth of individuals MATERIALS AND METHODS 2.1 Study site and data collection At the end of the growing ... three-dimensional coordinates of the base of the main stem of an individual H: height of the leader shoot tip (tree height), z : height of the base of a branch the growth and mortality of first-order ... case, the horizontal deviation of the leader shoot tip from the base of the main stem was determined and necessary corrections were made in the coordinates of the leader shoot and the bases of first-order...
- 12
- 196
- 0
Báo cáo khoa học: "Growth and morphology of pedunculate oak (Quercus robur L) and beech (Fagus sylvatica L) seedlings in relation to shading and drought" docx
... experiment the drought started in the second half of July and continued until the end of the experiment Under natural conditions, the forest floor under the Scots pine stands in which blue jays and ... absence of fertilization and the high peat content of the substrate, growth was not limited by nutrient availability Moreo- wing under ver, at the end root of the experiment no evidence of hypoxia under ... in 70 year old stand of Scots pine Silva Gand 52, 1-27 Madsen P ( 1994) Growth and survival of Fagus sylvatica seedlings in relation to light intensity and soil water content Scand J For Res 9,...
- 10
- 308
- 0
báo cáo khoa học: " Effects of ulinastatin and docataxel on breast tumor growth and expression of IL-6, IL-8, and TNF-a" doc
... procedure and copy numbers were calculated from 2-ΔΔCt, the copy number ratio of expanding target genes and the internal control gene (b-actin) to determine the mRNA expression levels of the target ... For the mice in the UTI group, the volume of their xenografted tumors gradually increased at a rate less than that of the mice in the control group (P < 0.05) For the mice in the TAX group, the ... the volume of their xenografted tumors also gradually decreased relative to the controls For the mice in the UTI+TAX group, the volume of their tumors decreased with the greatest rate and extent...
- 7
- 235
- 0
RESEARCH ON THE GROWTH AND DEVELOPMENT OF TARO VARIETIES AND CULTIVATION TECHNIQUES FOR THE POTENTIAL VARIETY IN YEN BAI PROVINCE
... Giang and Bac Kan In particular, there is almost no study of taro on a number of different types of land including: single-crop land and lowland in the river bank Therefore, the study of growth and ... measure yield and yield components; Preliminary accounting of the economic efficiency of taro variety in the experiment - The indicators of evaluating the quality of tubes through senses and analysis ... yield components and yield of KMYB on types of soil On a single-crop farmland, the density, season and the interaction between density and season affected the productivity of the KMYB 1, the most...
- 27
- 552
- 0
Tìm thêm: hệ việt nam nhật bản và sức hấp dẫn của tiếng nhật tại việt nam xác định các mục tiêu của chương trình khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo gắn với các giáo trình cụ thể xác định thời lượng học về mặt lí thuyết và thực tế điều tra đối với đối tượng giảng viên và đối tượng quản lí điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ rôto dây quấn các đặc tính của động cơ điện không đồng bộ hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 sự cần thiết phải đầu tư xây dựng nhà máy thông tin liên lạc và các dịch vụ phần 3 giới thiệu nguyên liệu từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008 chỉ tiêu chất lượng 9 tr 25