scholarly journals Dependence of size and weight indices of European spruce tree branches on their phytocoenotic state

2020 ◽  
pp. 6-18
Author(s):  
М.О. Гурьянов ◽  
О.И. Антонов ◽  
Ю.В. Джикович
Keyword(s):  
High Quality ◽  
Quantitative Parameters ◽  
Branch Growth ◽  
Crown Structure ◽  
Multi Stage ◽  
Different Ages

Изучение структуры кроны является важным элементом как экологических, так и лесоводственных исследований. Интенсивное лесовыращивание подразумевает проведение регулярных рубок ухода, а также выполнение многоприемной обрезки ветвей для получения высококачественной бессучковой древесины. При этом производительность работ связана с количественными параметрами кроны: числом живых и сухих ветвей в мутовке, диаметрами ветвей, количеством мутовок и др. В результате исследований, проведенных в искусственных древостоях ели, были изучены количественно-весовые параметры крон у деревьев разных классов роста. Установлено, что интенсивность роста ветвей, а также процесс очистки ствола от сучьев в значительной степени зависят от фитоценотического положения деревьев. The study of crown structure is an important element of both ecological and silvicultural research. Intensive reforestation involves regular thinning and multi-stage pruning for getting high quality knot-free timber. At the same time, the productivity ofthe work is related to the quantitative parameters of the crown: the number of living and dry branches in a whorl, branch diameters, the number of whorls, etc. As a result of studies carried out in artificial stands of spruce of different ages, the quantitative and weight parameters of crowns in trees of different growth classes were established. It was also found that the intensity of branch growth, as well as the process of clearing the trunk from branches, largely depend on the phytocenotic position of trees.

scholarly journals A dataset on affiliation of venture capitalists in China between 2000 and 2016

2021 ◽  
Vol 8 (1) ◽  
Author(s):  
Jin Chen ◽  
Tianyuan Chen ◽  
Yifei Song ◽  
Bin Hao ◽  
Ling Ma
Keyword(s):  
Data Sources ◽  
Venture Capitalists ◽  
High Quality ◽  
Public Agency ◽  
Multiple Data Sources ◽  
Multiple Data ◽  
Multi Stage ◽  
The World ◽  
Prior Literature ◽  
Innovation And Entrepreneurship

AbstractPrior literature emphasizes the distinct roles of differently affiliated venture capitalists (VCs) in nurturing innovation and entrepreneurship. Although China has become the second largest VC market in the world, the unavailability of high-quality datasets on VC affiliation in China’s market hinders such research efforts. To fill up this important gap, we compiled a new panel dataset of VC affiliation in China’s market from multiple data sources. Specifically, we drew on a list of 6,553 VCs that have invested in China between 2000 and 2016 from CVSource database, collected VC’s shareholder information from public sources, and developed a multi-stage procedure to label each VC as the following types: GVC (public agency-affiliated, state-owned enterprise-affiliated), CVC (corporate VC), IVC (independent VC), BVC (bank-affiliated VC), FVC (financial/non-bank-affiliated VC), UVC (university endowment/spin-out unit), and PenVC (pension-affiliated VC). We also denoted whether a VC has foreign background. This dataset helps researchers conduct more nuanced investigations into the investment behaviors of different VCs and their distinct impacts on innovation and entrepreneurship in China’s context.

scholarly journals TightCap: 3D Human Shape Capture with Clothing Tightness Field

2022 ◽  
Vol 41 (1) ◽  
pp. 1-17
Author(s):  
Xin Chen ◽  
Anqi Pang ◽  
Wei Yang ◽  
Peihao Wang ◽  
Lan Xu ◽  
...  
Keyword(s):  
Three Dimensional ◽  
Ground Truth ◽  
Data Driven ◽  
Optimization Scheme ◽  
High Quality ◽  
3D Scan ◽  
Multi Stage ◽  
Geometry Image

In this article, we present TightCap, a data-driven scheme to capture both the human shape and dressed garments accurately with only a single three-dimensional (3D) human scan, which enables numerous applications such as virtual try-on, biometrics, and body evaluation. To break the severe variations of the human poses and garments, we propose to model the clothing tightness field—the displacements from the garments to the human shape implicitly in the global UV texturing domain. To this end, we utilize an enhanced statistical human template and an effective multi-stage alignment scheme to map the 3D scan into a hybrid 2D geometry image. Based on this 2D representation, we propose a novel framework to predict clothing tightness field via a novel tightness formulation, as well as an effective optimization scheme to further reconstruct multi-layer human shape and garments under various clothing categories and human postures. We further propose a new clothing tightness dataset of human scans with a large variety of clothing styles, poses, and corresponding ground-truth human shapes to stimulate further research. Extensive experiments demonstrate the effectiveness of our TightCap to achieve the high-quality human shape and dressed garments reconstruction, as well as the further applications for clothing segmentation, retargeting, and animation.

Coupling coal pyrolysis with char gasification in a multi-stage fluidized bed to co-produce high-quality tar and syngas

2018 ◽  
Vol 215 ◽  
pp. 348-355 ◽  
Author(s):  
Zhaohui Chen ◽  
Yunjia Li ◽  
Dengguo Lai ◽  
Sulong Geng ◽  
Qi Zhou ◽  
...  
Keyword(s):  
Fluidized Bed ◽  
Coal Pyrolysis ◽  
High Quality ◽  
Char Gasification ◽  
Multi Stage

scholarly journals New Light on Old Fingermarks: The Detection of Historic Latent Fingermarks on Old Paper Documents Using 1,2-Indanedione/zinc

2020 ◽  
Author(s):  
Jemmy T. Bouzin ◽  
Jason Merendino ◽  
Stephen M. Bleay ◽  
Georgina Sauzier ◽  
Simon W. Lewis
Keyword(s):  
Amino Acids ◽  
Amino Acid ◽  
Zinc Chloride ◽  
Preliminary Investigation ◽  
High Quality ◽  
Different Ages ◽  
Over Time ◽  
Paper Substrates

This study explores trends in the effectiveness of 1,2-indandione/zinc chloride (IND/Zn) for visualizing latent fingermarks on paper substrates of various ages. Preliminary investigation of contemporaneous documents showed that high quality fingermarks could be deposited through incidental handling, although smudging and overlapping were evident. IND/Zn was then applied to incidentally handled documents up to 80 years old and successfully developed potentially identifiable fingermarks, significantly increasing the established timescale for fingermark detection with amino acid sensitive reagents. The results indicate that IND/Zn remains effective over longer periods than has been previously demonstrated, although a comparison between documents of different ages suggest that progressive diffusion of the target amino acids occurs over time, affecting the proportion of potentially identifiable marks.The findings of this study reinforce the applicability of IND/Zn for the detection of historic latent fingermarks on old paper documents.

scholarly journals Constraints faced by rice processors in milling and branding of home grown rice in Enugu State, Nigeria

2020 ◽  
Vol 24 (1) ◽  
pp. 118-127
Author(s):  
Cynthia Uzoamaka Nwachukwu ◽  
Ikenna Charles Ukwuaba ◽  
Jonathan Onyebuchi Umeh
Keyword(s):  
Factor Analysis ◽  
New Technology ◽  
Sampling Procedure ◽  
High Quality ◽  
Multi Stage ◽  
Five Factors ◽  
New Knowledge ◽  
Enugu State ◽  
Marketing Information

This study examined the constraints faced by rice processors in milling and branding of home grown rice produced in Enugu State, Nigeria. The objectives of the study were to examine the factors that influence the branding of home grown processed rice and examine the major constraints in processing home grown produced rice into high quality rice. Multi-stage sampling procedure was used to survey 23 respondents across three communities in three local government areas and two agricultural zones selected. Factor analysis, mean and percentages were used to analyse the data collected. Findings showed that along the unit of home grown rice branding, packaging is the only form of branding carried out by processors. The factors that influenced the branding of home grown processed rice in the study area were grouped into four which include inability to appreciate new technology, non-availability of required technology, labour and cost of packaging materials. Also, the major constraints in the processing of home grown rice to improved quality brands are grouped into five factors which are inability to appreciate new knowledge, new technology, communication on storage facilities, labour and marketing information. Rice processors should be trained adequately on branding and improving the quality of home grown processed rice and provision of the required technology. This will improve the competitiveness of home grown rice relative to imported rice thereby increasing its demand.Keywords: Rice processing, branding, constraints, factor analysis, Enugu State

Multi-stage pulsed laser deposition of high quality epitaxial ultra-thin SrTiO3 on Si substrates

2018 ◽  
Vol 455 ◽  
pp. 227-235 ◽  
Author(s):  
Daniel Diaz-Fernandez ◽  
Matjaž Spreitzer ◽  
Tjaša Parkelj ◽  
Danilo Suvorov
Keyword(s):  
Pulsed Laser Deposition ◽  
Pulsed Laser ◽  
Laser Deposition ◽  
High Quality ◽  
Si Substrates ◽  
Multi Stage

Warm-Forming of Light-Weight Alloys under Multi-Stage Forming Process

2009 ◽  
Vol 83-86 ◽  
pp. 88-93 ◽  
Author(s):  
Chi Ping Lai ◽  
Luen Chow Chan ◽  
Chi Loong Chow ◽  
Kai Ming Yu
Keyword(s):  
Experimental Investigation ◽  
Titanium Alloy ◽  
Aluminium Alloy ◽  
Warm Forming ◽  
Light Weight ◽  
Forming Process ◽  
High Quality ◽  
Heating Device ◽  
Multi Stage ◽  
Forming Condition

This paper aims at presenting an experimental investigation to obtain the optimum formability of light-weight alloys under the multi-stage forming process. Titanium alloy sheets (Ti-6Al-4V) and aluminium alloy sheets (AA5052) are selected as forming specimens. The special fixture with heating device is applied in order to carry out the prestraining process. The swift forming test at warm-forming condition is performed for measuring the limit dome heights after the multi-stage formign process. The outcomes of this investigation are valuable for engineers to design and fabricate high-quality light-weight components efficiently.

Process Study for Forming a Precise Spline

2014 ◽  
Vol 915-916 ◽  
pp. 323-326
Author(s):  
Seong Sik Lim ◽  
Deog Jae Yoon ◽  
Geun An Lee ◽  
Ho Joon Choi ◽  
Yeon Ku Kim ◽  
...  
Keyword(s):  
Automobile Industry ◽  
Fe Simulation ◽  
Dimensional Accuracy ◽  
Extrusion Process ◽  
Cold Extrusion ◽  
High Dimensional ◽  
High Quality ◽  
Process Study ◽  
Multi Stage ◽  
Spline Shaft

A tubular shafts have been considered for weight reduction and high quality in the automobile industry. However, in the case of long and thin tubular shafts, it is very difficult to form an internal spline under a cold extrusion process due to folding and buckling. In this study, multi-stage forming is applied to form precise teeth shape in a long and thin tubular shaft. The effects of die diameter and thickness of the material are investigated and analyzed to determine the number of processes based on a FE simulation. Extrusion experiments have been performed to verify the results obtained in the FE simulation. It is confirmed through these tests that a long spline shaft with high dimensional accuracy and improved mechanical properties is formed.

scholarly journals New Light on Old Fingermarks: The Detection of Historic Latent Fingermarks on Old Paper Documents Using 1,2-Indanedione/zinc

2020 ◽  
Author(s):  
Jemmy T. Bouzin ◽  
Jason Merendino ◽  
Stephen M. Bleay ◽  
Georgina Sauzier ◽  
Simon W. Lewis
Keyword(s):  
Amino Acids ◽  
Amino Acid ◽  
Zinc Chloride ◽  
Preliminary Investigation ◽  
High Quality ◽  
Different Ages ◽  
Over Time ◽  
Paper Substrates

This study explores trends in the effectiveness of 1,2-indandione/zinc chloride (IND/Zn) for visualizing latent fingermarks on paper substrates of various ages. Preliminary investigation of contemporaneous documents showed that high quality fingermarks could be deposited through incidental handling, although smudging and overlapping were evident. IND/Zn was then applied to incidentally handled documents up to 80 years old and successfully developed potentially identifiable fingermarks, significantly increasing the established timescale for fingermark detection with amino acid sensitive reagents. The results indicate that IND/Zn remains effective over longer periods than has been previously demonstrated, although a comparison between documents of different ages suggest that progressive diffusion of the target amino acids occurs over time, affecting the proportion of potentially identifiable marks.The findings of this study reinforce the applicability of IND/Zn for the detection of historic latent fingermarks on old paper documents.

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