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Previous Issue 2022 Vol. 44, No. 4 Archive Next Issue

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The Relationship Between Constructivist Classroom Learning Environment and Mathematics Learning Motivation——Data Analysis Based on the Survey of 9 Provinces in Eastern, Central and Western Regions
XU Ranran PEI Changgen SONG Naiqing
2022, 44(4): 2-11. doi: 10.13718/j.cnki.xdzk.2022.04.001
Abstract (2451) HTML (2451) PDF  867KB (220)
Abstract:

Learning motivation is an important factor affecting students' learning emotion and classroom participation. Positive learning motivation is conducive to effective participation and deep learning. The relationship between constructivist classroom ...

Math Learning Engagement Profiles of Secondary School Students
ZHANG Tingyan LI Jiaxin WANG Li
2022, 44(4): 12-19. doi: 10.13718/j.cnki.xdzk.2022.04.002
Abstract (2098) HTML (2098) PDF  1204KB (411)
Abstract:
In this study, a survey of 2 786 secondary school students was conducted by using a math learning engagement questionnaire, in order to identify math learning engagement profiles and examine their relations to student demographic characteristics(gend...
The Influence of Mathematics Classroom Instruction Quality on Mathematics Achievement: The Mediating Effect of Mathematics Learning Engagement
PEI Changgen WEN Yi
2022, 44(4): 20-26. doi: 10.13718/j.cnki.xdzk.2022.04.003
Abstract (2241) HTML (2241) PDF  1330KB (521)
Abstract:
High quality mathematics learning engagement is an important goal of mathematics classroom instruction and a necessary process element to ensure students' mathematics achievement. Based on the data of 677 eighth grade students, the relationship betwe...
The Relationship Between Mathematics Learning Engagement and Intrinsic Motivation of Middle School Students: A Longitudinal Study
ZHANG Yongqiang YANG Xinrong
2022, 44(4): 27-35. doi: 10.13718/j.cnki.xdzk.2022.04.004
Abstract (1764) HTML (1764) PDF  1330KB (215)
Abstract:
In order to explore the mutual relationship between mathematics learning engagement and intrinsic motivation of secondary school student, a questionnaire survey with mathematics learning engagement scale and intrinsic motivation scale was conducted f...
Effect of Exogenous Heat-Resistant Agent on Heat Resistance of Rhododendron under High Temperature Stress
WANG Haoqi QIN Kunrong ZHU Haoxiang WANG Wanlin WANG Haiyang
2022, 44(4): 36-44. doi: 10.13718/j.cnki.xdzk.2022.04.005
Abstract (1604) HTML (1604) PDF  1710KB (234)
Abstract:
Alpine Rhododendron is a wild rhododendron resource growing in alpine area. The experiment of four kinds of heat resistant agents was carried out in the experimental bases located at 900 m and 500 m above sea level. By recording the changes of chloro...
Analyzing and Evaluating the Vine Tip Traits of 10 Leaf-Vegetable Sweetpotato Varieties
LI Jing FU Yufan HUANG Yu WANG Lulu LI Jiaxin RAN Hairong
2022, 44(4): 45-53. doi: 10.13718/j.cnki.xdzk.2022.04.006
Abstract (1240) HTML (1240) PDF  1204KB (130)
Abstract:
Based on the identification of the number of base branches and 20 traits of vine tip in 10 leaf-vegetable sweetpotato varieties in 6 topping periods by differentiating with addition or subtraction symbolic label method, the variance variation, Person...
Research of Quantitative Detection Model of Adulteration Components in Panax notoginseng Powder Based on FT-MIR
HE Fengyun YANG Xiaodong ZHOU Shengling XIE Lin LI Guanglin
2022, 44(4): 54-61. doi: 10.13718/j.cnki.xdzk.2022.04.007
Abstract (1721) HTML (1721) PDF  2387KB (266)
Abstract:
High-quality Panax notoginseng (P. notoginseng) is expensive and often sold in powder form. In order to quickly detect the adulterated components of P. notoginseng powder in the market, Fourier transform mid infrared spectroscopy...
Morphological of Allantus luctifer (F. Smith) Larvae, Characteristics of Damage to Buckwheat and Screening for High Insecticidal Fungi Strains
WU Yu DENG Jiao ZHANG Xiaona HUANG Kaifeng CHEN Qingfu
2022, 44(4): 62-69. doi: 10.13718/j.cnki.xdzk.2022.04.008
Abstract (2614) HTML (2614) PDF  3177KB (259)
Abstract:
The biological characteristics of Allantus luctifer (F. Smith) and its damage to buckwheat were determined to provide a scientific basis for its prediction and integrated management. In this paper, the morphological characteristics, dev...
Infection of Porcine Intestinal Epithelial Cells with Porcine Epidemic Diarrhea Virus Resulted in a Decrease in NHE3 Activity of Na+/H+ Exchangers
YAN Tao NIU Zheng ZHANG Yilin KAN Zifei ZHANG Jingyi ZHANG Shujuan XU Shasha ZOU Hong LEI Chenghong SONG Zhenhui
2022, 44(4): 70-77. doi: 10.13718/j.cnki.xdzk.2022.04.009
Abstract (1672) HTML (1672) PDF  5197KB (104)
Abstract:
To study the infection of porcine epidemic diarrhea virus (PEDV) on expression activity of sodium hydrogen exchanger 3 (NHE3) in Porcine intestine epithelial cells J2 (IPEC-J2), IPEC-J2 cells were infected with PEDV and cytopathic effect was observed...
Study on the Processing Technology of Spicy Chicken Snack Food
HOU Dajun YANG Yuxin FAN Shuying LIU Ling SUN Huaming
2022, 44(4): 78-87. doi: 10.13718/j.cnki.xdzk.2022.04.010
Abstract (1888) HTML (1888) PDF  2301KB (157)
Abstract:
The processing technology of spicy chicken was studied in this article by using frozen chicken breast as main raw material. The single factor test and orthogonal experiment, through shear force measurement, texture analysis and sensory evaluation, we...
Optimum Design and Test of Stem Clamping Type Seeding Picking and Throwing Mechanism for Plug Seedlings
WEI Zhiqiang SONG Lei YANG Shanghong LIU Jun XIE Shouyong
2022, 44(4): 88-99. doi: 10.13718/j.cnki.xdzk.2022.04.011
Abstract (2297) HTML (2297) PDF  7942KB (109)
Abstract:
Aiming at the problems of automatic transplanting vegetable seedlings in China, such as the complexity of seedling picking and throwing devices, a kind of seedling picking and throwing mechanism by stem clamping for plug seedlings was designed in thi...
Design and Experimental Research of Fixed Compound Motion Track Rubber Tapping Machine
NING Tong LIANG Dong ZHANG Yan FU Wei RU Shaofeng
2022, 44(4): 100-109. doi: 10.13718/j.cnki.xdzk.2022.04.012
Abstract (1940) HTML (1940) PDF  4880KB (213)
Abstract:
At present, rubber tapping in natural rubber plantations in China is mainly manual, which is high labor intensity, low efficiency, and with harsh working environment. This study designed a fixed composite track type rubber tapping machine. Firstly, e...
The Chromatic Equivalence Classes of the Complements of Union Graphs of Vertex and a Path
LI Danyang MA Haicheng
2022, 44(4): 110-116. doi: 10.13718/j.cnki.xdzk.2022.04.013
Abstract (1023) HTML (1023) PDF  1162KB (109)
Abstract:
Let G be a graph with order n. It is well known that two graphs G and H are chromatically equivalent if and only if their complementary graphs are adjoint equivalencet. It can be seen that adjoint polynomials are an effect...
Neighbor Full Sum Distinguishing Total Coloring of Two Types of Regular Graphs
CHANG Jingzhi YANG Chao CHENG Yinwan WANG Qin YAO Bing
2022, 44(4): 117-121. doi: 10.13718/j.cnki.xdzk.2022.04.014
Abstract (828) HTML (828) PDF  1153KB (132)
Abstract:
Let f: V(G)∪E(G) [1, k] be a non-proper total k-coloring of G. Define a weight function about total coloring as φ(x)=f(x)+$ \sum\lim...
Estimation of Fractional Maximal Operator and Its Commutator on Generalized Orlicz-Morrey Spaces over Dunkl Setting
RUI Li LU Guanghui
2022, 44(4): 122-127. doi: 10.13718/j.cnki.xdzk.2022.04.015
Abstract (606) HTML (606) PDF  1158KB (81)
Abstract:
In this paper, the authors firstly establish the definition of generalized Orlicz-Morrey spaces related to Dunkl setting. Secondly, by using the real-variable methods of harmonic analysis and the properties of Dunkl setting, the authors proved that f...
Research of G-Strong Shadowing Property and Lipschitz Shadowing Property
JI Zhanjiang
2022, 44(4): 128-133. doi: 10.13718/j.cnki.xdzk.2022.04.016
Abstract (1085) HTML (1085) PDF  1160KB (121)
Abstract:
The definitions of G-strong shadowing property and Lipschitz shadowing property are given, and their dynamical properties are respectively studied in metric G-space and infinite product space. The results are as follows: For any positiv...
The Dynamic Impact of Agricultural Insurance on China's Agricultural Total Factor Productivity——Based on China's Provincial Panel Data from 2007 to 2018
JIN Shaorong REN Zanjie MU Tianyuan
2022, 44(4): 134-143. doi: 10.13718/j.cnki.xdzk.2022.04.017
Abstract (1440) HTML (1440) PDF  1279KB (140)
Abstract:
Agricultural total factor productivity is the source of agricultural economic growth. Popularizing agricultural insurance is an important way to improve agricultural total factor productivity. Only exploring the different effects of different levels ...
Spatial Distribution and Influencing Factors of Xinjiang Farmhouse Resorts: An Analysis Based on POI Data
XIAO Zhenquan POLAT Muhtar AN Chaogao
2022, 44(4): 144-154. doi: 10.13718/j.cnki.xdzk.2022.04.018
Abstract (2071) HTML (2071) PDF  2525KB (134)
Abstract:
This paper explored the spatial distribution characteristics of various types of farmhouse resorts using the nearest neighbor index, coefficient of variation, kernel density, and other spatial analysis tools, based on the samples of 3 463 farmhouse r...
The Impact of Nostalgia Emotion on Tourist Loyalty in Historical and Cultural Districts——A Case Study of Xi'an Sanxue Street
FAN Yuqiang CHEN Zhigang LI Sha
2022, 44(4): 155-164. doi: 10.13718/j.cnki.xdzk.2022.04.019
Abstract (2056) HTML (2056) PDF  1304KB (280)
Abstract:
On the basis of reviewing the literature, this paper constructed a relationship model of "nostalgia-loyalty" to explore the impact of different nostalgic emotions on tourists' loyalty during thevisiting in Sanxue Street historical and cultural blocks...
Spatial Distribution of Intangible Agricultural Heritage in The Southwest China
YU Yangli YANG Xiaoxia CUI Hongrui
2022, 44(4): 165-175. doi: 10.13718/j.cnki.xdzk.2022.04.020
Abstract (3146) HTML (3146) PDF  4214KB (98)
Abstract:

Study of spatial distribution characteristics of intangible agricultural heritages in the southwest China is conducive to giving play to the resource advantages of mountain agricultural culture and promoting the protection and activation of intang...

Research on the Shanshui City Construction Thought of the Yuzhong Ancient City in Chongqing from the Perspective of "the Uses of Images as Historical Evidence" (1760-1929)
WANG Zheng HE Xi
2022, 44(4): 176-186. doi: 10.13718/j.cnki.xdzk.2022.04.021
Abstract (1712) HTML (1712) PDF  5323KB (112)
Abstract:

"The uses of images as historical evidence " is an important method in the study of new history. Through the control of the microscopic and authentic characteristics of historical images, the information not expressed in written materials can be c...

Structural Regulation of Porous Aerogel Co9S8 for Boosting Photoelectronic Catalytic Performance
WANG Tao LIAO Xinyuan HE Shijie HUANG Zhi LIN Hua
2022, 44(4): 187-195. doi: 10.13718/j.cnki.xdzk.2022.04.022
Abstract (1586) HTML (1586) PDF  7871KB (52)
Abstract:
Increasing specific surface area and active sites is an important way to improve the catalytic performance of transition metal sulfide. In this paper, Co9S8 (CSA) aerogel has been prepared through sol-gel method, of which specif...
Generalized Recursive Kernel Risk-Sensitive Loss Algorithm Based on Sparse System Identification
WANG Daili WANG Shiyuan ZHANG Tao QI Letian
2022, 44(4): 196-205. doi: 10.13718/j.cnki.xdzk.2022.04.023
Abstract (1778) HTML (1778) PDF  2735KB (94)
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The kernel risk-sensitive loss (KRSL) is widely used as the cost function of adaptive filters to reduce the influence of non-Gaussian noises on system performance owing to its high convexity. In this paper, a generalized kernel risk-sensitive loss (G...
Staffing Level for Dynamic M(t)/M/C: A Q-Chart Method
GAO Qi GONG Lifang WU Yanhua DAI Hongshuai
2022, 44(4): 206-212. doi: 10.13718/j.cnki.xdzk.2022.04.024
Abstract (1074) HTML (1074) PDF  1924KB (75)
Abstract:
Queueing problems can be seen everywhere. How to effectively monitor queueing congestion and rationally allocate resources have important theoretical and practical values. The study of dynamic queues with time-varying arrival rates has become popular...

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ISSN 1673-9868

CN 50-1189/N

Code: 78-166

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