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	1. Research on the statistical analysis method of bamboo scrimber axial strength based on different models and experiments
	Sun Songsong,Xu Zhiyuan
	Forestry 07 August 2023
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	Abstract:Bamboo scrimber is a new natural fiber reinforced composite material in modern industry. In this paper, the strength characteristics of this material were chosen as the object of study. First, axial tensile and compressive fracture experiments were conducted on different test specimens to determine the corresponding strength data. Then three commonly used distribution models were applied to analyze the relationship between the strength and survival rate. The results show that compared with the compressive data, the tensile data demonstrate more obvious dispersion. In addition, the three-parameter Weibull model fits the data best and may be used as the fundamental model for future analysis. This paper provides a solid foundation for better understanding the mechanism of the bamboo scrimber strength phenomenon.
	TO cite this article:Sun Songsong,Xu Zhiyuan. Research on the statistical analysis method of bamboo scrimber axial strength based on different models and experiments[OL].[ 7 August 2023] http://en.paper.edu.cn/en_releasepaper/content/4761216


	2. Changes of Sleep Manifestation in Response to Bedding Layers Structure and Mattress Firmness
	CHEN Yuxia,GUO Yong,ZHANG Kaiting,SU Na,DU Mengli,LIU Shengquan
	Forestry 26 April 2017
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	Abstract:The structural properties of mattress bedding layer and the mattress firmness directly affect support properties of the mattress on human body, and further influence sleep initiation and maintenance. This study combined subjective evaluation and sleep registrations to investigate whether the structural properties of mattress bedding layer and mattress firmness affected sleep quality in healthy subjects. Altogether, 11 normal female sleepers participated in actual sleep experiments on 18 experimental mattresses. Subjects spent more than 4 nights on each of the 18 mattresses in the sleep laboratory. During these days, polysomngraphy was performed and subject body movements were recorded using Ingra-red video cameras. Subjective sleep data were gathered by means of self-report sleep diaries and visual analogue scales. Results showed that average amount of time per night that spent in supine posture (53.02%) were longer than that in lateral posture (45.88%). Mattress bedding layer and its properties influenced sleep quality even more than mattress firmness. Chinese people preferred to sleep in supine posture, the improvement comfort in supine position by means of ergonomic mattress design will do favor sleep.
	TO cite this article:CHEN Yuxia,GUO Yong,ZHANG Kaiting, et al. Changes of Sleep Manifestation in Response to Bedding Layers Structure and Mattress Firmness[OL].[26 April 2017] http://en.paper.edu.cn/en_releasepaper/content/4728488


	3. Genome-wide analysis of poplar SAUR gene family and expression profiles
	Hu Wenfang,Chen Zhu,Xiang Yan
	Forestry 23 April 2017
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	Abstract: In this paper, 105 SAUR genes were identified and comprehensively analyzed in Populus trichocarpa. According to the phylogenetic relationship, the PtSAURs were classified into seven groups. 100 of the 105 PtSAURs were randomly distributed on nineteen chromosomes, others were located in scaffold; these genes were mainly evolved by segmental duplication. Ninety-four PtSAURs had no intron and each group had a similar conserved motif structure. Various cis-elements about growth, development and stress responses were discovered in promoters of PtSAURs and the orthology relationships of SAURs between Arabidopsis, rice, grape and poplar were established by synteny analysis. The analysis of expression profiles and qRT-PCR indicated that PtSAURs show different expression levels in various tissues and treatments. In summary, this study may provide a foundation for further studies of the function of SAURs in poplar growth and development.
	TO cite this article:Hu Wenfang,Chen Zhu,Xiang Yan. Genome-wide analysis of poplar SAUR gene family and expression profiles[OL].[23 April 2017] http://en.paper.edu.cn/en_releasepaper/content/4728479


	4. An ecologically based system for sustainable agroforestry in sub-tropical and tropical forests
	SUN Yuan,CAO Fuliang,WELHAM Clive,PELZ R.Dieter,WEI Xiaohua,CHEN Lei,YANG Qing
	Forestry 05 April 2017
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	Abstract:Forests in tropical and sub-tropical countries face severe pressures due to a combination of poverty and environment degradation. To be effective, measures to protect these forests must therefore consider both economic and ecological dimensions synergistically. The purpose of this paper was to synthesize our long-term work (1994-2015) on a Ginkgo agroforestry system and demonstrate its potential for achieving both goals, and discuss its wider application in tropical and sub-tropical countries. The performance of various ecological, economic, and social indicators was compared among five Ginkgo agroforestry systems. Two integrated indicators, Harmony Degree (HD) and Development Degree (DD), were also used to show the integrated performance of these indicators. Ginkgo-Wheat-Peanut (G+W+P) and Ginkgo-Rapeseed-Peanut (G+R+P) are the best systems when compared to pure and mixed Ginkgo plantations, or pure agricultural crops. Results demonstrate that it is possible to achieve both economic development and environmental protection through implementation of sustainable agroforestry systems in sub-tropical regions.
	TO cite this article:SUN Yuan,CAO Fuliang,WELHAM Cl

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