LIVIVO - Search results -

Search results

Result 1 - 10 of total 131

Search options

Article: Analytical theory study on latent heat coefficient of grain water vaporization

Li, Changyou

Drying technology. 2021 Mar. 31, v. 39, no. 6

2021

Abstract: The latent heat coefficient of water vaporization is a necessary coefficient for evaluating the theoretical heat consumption of drying, which is of great significance for guiding engineering practice and evaluating energy consumption of the system. ... ...

Abstract	The latent heat coefficient of water vaporization is a necessary coefficient for evaluating the theoretical heat consumption of drying, which is of great significance for guiding engineering practice and evaluating energy consumption of the system. However, previous experimental models of latent heat coefficient of vaporization have their own defects, and the calculation results have large non-linear deviation. Based on the principle of non-equilibrium thermodynamics and quasi-equilibrium, according to the energy balance characteristics of grain dry state and water collection state, the mathematical solution of the latent heat coefficient of grain moisture vaporization was given by unifying free energy transfer and conversion into a scale. According to the internationally recognized saturated water and saturated steam state parameters, the expression of characteristic constant for water vaporization process was developed, which provides a theoretical basis for evaluating the energy consumption of the drying process and developing a scientific evaluation criteria of the drying process.
Keywords	Gibbs free energy ; energy balance ; energy transfer ; heat ; latent heat ; steam ; technology ; volatilization
Language	English
Dates of publication	2021-0331
Size	p. 803-819.
Publishing place	Taylor & Francis
Document type	Article
ZDB-ID	2049461-0
ISSN	1532-2300 ; 0737-3937
ISSN (online)	1532-2300
ISSN	0737-3937
DOI	10.1080/07373937.2020.1720224
Database	NAL-Catalogue (AGRICOLA)

Order via subito

This service is chargeable due to the Delivery terms set by subito. Orders including an article and supplementary material will be classified as separate orders. In these cases, fees will be demanded for each order.

Article: Deep-Learning-Based Model Predictive Control of an Industrial-Scale Multistate Counter-Flow Paddy Drying Process.

Zhang, Ye / Fang, Zhuangdong / Li, Changyou / Li, Chengjie

Foods (Basel, Switzerland)

2023 Volume 13, Issue 1

Abstract: In practical industrial-scale paddy drying production, manual empirical operation is still widely used for process control. This often leads to poor uniformity in the moisture content distribution of discharged grains, affecting product quality. Model ... ...

Abstract	In practical industrial-scale paddy drying production, manual empirical operation is still widely used for process control. This often leads to poor uniformity in the moisture content distribution of discharged grains, affecting product quality. Model Predictive Control (MPC) is considered the most effective control method for paddy drying, but its implementation in industrial-scale drying is hindered by its high computational cost. This study aims to address this challenge by proposing a deep-learning-based model predictive control (DL-MPC) strategy for paddy drying. By establishing a mapping relation between the inlet and outlet paddy moisture content and paddy flow velocity, a DL-MPC strategy suitable for multistage counter-flow paddy drying systems is proposed. DL-MPC systems are developed using long short-term memory (LSTM) neural networks and trained using datasets from single-drying-stage and multistage drying systems. Simulation and analysis are conducted, followed by verification experiments on a 5HNH-15 multistage counter-flow paddy dryer. The results show that the DL-MPC system significantly improves computational speed while achieving satisfactory control performance. The predicted paddy flow velocity exhibits a smooth variation and matches field data obtained from multiple transition points, confirming the effectiveness of the designed DL-MPC system. The mean absolute error between the predicted and actual paddy moisture content under the DL-MPC system is 0.190% d.b., further supporting the effectiveness of the control system.
Language	English
Publishing date	2023-12-21
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2704223-6
ISSN	2304-8158
ISSN	2304-8158
DOI	10.3390/foods13010043
Database	MEDical Literature Analysis and Retrieval System OnLINE

Order via subito

Article ; Online: Nonlocal Acoustic Moiré Hyperbolic Metasurfaces.

Han, Chenglin / Fan, Shida / Li, Changyou / Chen, Li-Qun / Yang, Tianzhi / Qiu, Cheng-Wei

Advanced materials (Deerfield Beach, Fla.)

2024 Volume 36, Issue 18, Page(s) e2311350

Abstract: The discovery of the topological transition in twisted bilayer (tBL) materials has attracted considerable attention in nano-optics. In the analogue of acoustics, however, no such topological transition has been found due to the inherent nondirectional ... ...

Abstract	The discovery of the topological transition in twisted bilayer (tBL) materials has attracted considerable attention in nano-optics. In the analogue of acoustics, however, no such topological transition has been found due to the inherent nondirectional scalar property of acoustic pressure. In this work, by using a theory-based nonlocal anisotropic design, the in-plane acoustic pressure is transformed into a spatially distributed vector field using twisted multilayer metasurfaces. So-called "acoustic magic angle"-related acoustic phenomena occur, such as nonlocal polariton hybridization and the topological Lifshitz transition. The dispersion becomes flat at the acoustic magic angle, enabling polarized excitations to propagate in a single direction. Moreover, the acoustic topological transition (from hyperbolic to elliptic dispersion) is experimentally observed for the first time as the twist angle continuously changes. This unique characteristic facilitates low-loss tunable polariton hybridization at the subwavelength scale. A twisted trilayer acoustic metasurface is also experimentally demonstrated, and more possibilities for manipulating acoustic waves are found. These discoveries not only enrich the concepts of moiré physics and topological acoustics but also provide a complete framework of theory and methodologies for explaining the phenomena that are observed.
Language	English
Publishing date	2024-02-05
Publishing country	Germany
Document type	Journal Article
ZDB-ID	1474949-X
ISSN	1521-4095 ; 0935-9648
ISSN (online)	1521-4095
ISSN	0935-9648
DOI	10.1002/adma.202311350
Database	MEDical Literature Analysis and Retrieval System OnLINE

Full text online

Accessible to users with ZB MED library card

Order via subito

Details ▾
- Full text online
- Order with fees

Article ; Online: Expression profile of CYP402C1 and its role in resistance to imidacloprid in the whitefly, Bemisia tabaci

Guo, Lei / Zhang, Zhuang / Xu, Wei / Ma, Jiangya / Liang, Ni / Li, Changyou / Chu, Dong

Insect Science. 2023 Feb., v. 30, no. 1 p.146-160

2023

Abstract: Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) is a cosmopolitan insect pest causing serious damage to crop production. Cytochromes P450 (CYPs) of B. tabaci are widely known to be involved in the metabolic resistance to a variety of insecticides, ... ...

Abstract	Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) is a cosmopolitan insect pest causing serious damage to crop production. Cytochromes P450 (CYPs) of B. tabaci are widely known to be involved in the metabolic resistance to a variety of insecticides, continuously increasing the difficulty in controlling this pest. In this study, four P450 genes (CYP6CM1, CYP6CX1, CYP6CX3, and CYP402C1) in B. tabaci exhibited correlations with the resistance to imidacloprid. We have focused on trying to understand the function and metabolism capacity of CYP402C1. The expression profiles of CYP402C1 were examined by reverse transcription quantitative real‐time PCR and fluorescence in situ hybridizations. Its role in resistance to imidacloprid was investigated by RNA interference, transgenic Drosophila melanogaster, and heterologous expression. The results showed that CYP402C1 was highly expressed in the active feeding stages of B. tabaci, such as nymphs and female adults. CYP402C1 was mainly expressed in midguts of nymphs and adults, especially in the filter chamber. Knockdown of CYP402C1 significantly decreased the resistance of B. tabaci to imidacloprid by 3.96‐fold (50% lethal concentration: 186.46 versus 47.08 mg/L). Overexpression of CYP402C1 in a transgenic D. melanogaster line (Gal4 > UAS‐CYP402C1) significantly increased the resistance to imidacloprid from 12.68‐ to 14.92‐fold (129.01 and 151.80 mg/L versus 1925.14 mg/L). The heterologous expression of CYP402C1 showed a metabolism ability of imidacloprid (imidacloprid decreased by 12.51% within 2 h). This study provides new insights for CYP402C1 function in B. tabaci and will help develop new strategies in B. tabaci control and its insecticide resistance.
Keywords	Bemisia tabaci ; Drosophila melanogaster ; RNA interference ; crop production ; cytochrome P-450 ; females ; fluorescence ; genetically modified organisms ; heterologous gene expression ; imidacloprid ; insect pests ; insecticide resistance ; metabolism ; quantitative polymerase chain reaction ; reverse transcription
Language	English
Dates of publication	2023-02
Size	p. 146-160.
Publishing place	John Wiley & Sons, Ltd
Document type	Article ; Online
Note	JOURNAL ARTICLE
ZDB-ID	2179775-4
ISSN	1744-7917 ; 1672-9609
ISSN (online)	1744-7917
ISSN	1672-9609
DOI	10.1111/1744-7917.13081
Database	NAL-Catalogue (AGRICOLA)

Full text online

Accessible to users with ZB MED library card

Order via subito

Details ▾
- Full text online
- Order with fees

Article ; Online: Ibrutinib plus rituximab and lenalidomide for primary intestinal diffuse large B-cell lymphoma relapsed after anti-CD19 CAR-T cell therapy: a case report.

Li, Changyou / Zhang, Xiyuan / Zhu, Danni / Bu, Xiaocui / Wang, Ling / Zhao, Peng

Annals of hematology

2023 Volume 102, Issue 12, Page(s) 3625–3627

MeSH term(s)	Humans ; Rituximab/therapeutic use ; Lenalidomide/therapeutic use ; Receptors, Chimeric Antigen ; Neoplasm Recurrence, Local/drug therapy ; Lymphoma, Large B-Cell, Diffuse/drug therapy ; Lymphoma, Large B-Cell, Diffuse/pathology ; Cell- and Tissue-Based Therapy ; Antineoplastic Combined Chemotherapy Protocols/therapeutic use
Chemical Substances	Rituximab (4F4X42SYQ6) ; Lenalidomide (F0P408N6V4) ; Receptors, Chimeric Antigen ; ibrutinib (1X70OSD4VX)
Language	English
Publishing date	2023-08-22
Publishing country	Germany
Document type	Case Reports ; Letter
ZDB-ID	1064950-5
ISSN	1432-0584 ; 0939-5555 ; 0945-8077
ISSN (online)	1432-0584
ISSN	0939-5555 ; 0945-8077
DOI	10.1007/s00277-023-05421-0
Database	MEDical Literature Analysis and Retrieval System OnLINE

Full text online

Accessible to users with ZB MED library card

In stock of ZB MED Cologne/Königswinter

Uh III Zs.181: Show issues

Location:
Je nach Verfügbarkeit (siehe Angabe bei Bestand)
bis Jg. 2021: Bestellungen von Artikeln über das Online-Bestellformular
ab Jg. 2022: Lesesaal (EG)

Order via subito

Details ▾

Book: Nong ye xue fang wu shi nian tu ce

Li, Changyou

ji nian Mao Zedong tong zhi "Song wen shen, er shou" fa biao 50 zhou nian

2012

Author's details	Li Changyou, Lin Jiaojiao zhu bian
MeSH term(s)	Schistosomiasis/veterinary
Language	Chinese
Size	86 pages :, illustrations, portraits.
Edition	Di 1 ban.
Document type	Book
ISBN	9787511609038 ; 7511609031
Database	Catalogue of the US National Library of Medicine (NLM)

Order via subito

Inter-library loan at ZB MED

Your chosen title can be delivered directly to ZB MED Cologne location if you are registered as a user at ZB MED Cologne.

Article: Exergy analysis and optimisation of an industrial-scale circulation counter-flow paddy drying process

Li, Chengjie / Chen, Yifu / Zhang, Xuefeng / Mozafari, Ghazaleh / Fang, Zhuangdong / Cao, Yankai / Li, Changyou

Energy. 2022 July 15, v. 251

2022

Abstract: Drying is a process of removing water from products down to a specific moisture content. It is an energy-intensive process widely-used for grain and biomass processing. Because of the complicated thermodynamics and transport phenomena involved in drying, ...

Abstract	Drying is a process of removing water from products down to a specific moisture content. It is an energy-intensive process widely-used for grain and biomass processing. Because of the complicated thermodynamics and transport phenomena involved in drying, it is challenging to analyse and optimise drying operations. In this study, computer simulations using a transient model are performed to simulate the real-time paddy drying, and analyse the exergy components, exergy efficiency, exergy loss and destruction of industrial-scale drying process under changing drying air temperature (60–80 °C) and flow velocity (0.56–0.83 m/s) and initial moisture content (0.22–0.3 g water/g wet matter) on a circulation counter-flow paddy dryer. Results show our model can predict paddy moisture content and temperature with mean relative deviations of 5.5% and 1.42%, respectively. Exergy efﬁciency of drying process is speciﬁed to be in the range of 28.75–35.68%. Main factor affecting drying rate and energy consumption in high moisture content regions of drying process is drying air flow velocity while that in low moisture content regions is drying air temperature. We also propose control strategy based on two-stage variable ventilation parameters that achieves high exergy utilization level, high drying rate, and high product quality for grain drying.
Keywords	air flow ; air temperature ; biomass ; computers ; exergy ; models ; paddies ; product quality ; water content
Language	English
Dates of publication	2022-0715
Publishing place	Elsevier Ltd
Document type	Article
ZDB-ID	2019804-8
ISSN	0360-5442 ; 0360-5442
ISSN (online)	0360-5442
ISSN	0360-5442
DOI	10.1016/j.energy.2022.123901
Database	NAL-Catalogue (AGRICOLA)

Full text online

Accessible to users with ZB MED library card

Order via subito

Details ▾
- Full text online
- Order with fees

Article: Surface modification of nucleopolyhedrovirus with polydopamine to improve its properties

Yan, Guangyao / Wang, Hongmei / Lv, Jiajing / Li, Changyou / Zhang, Baohua

Pest management science. 2022 Feb., v. 78, no. 2

2022

Abstract: BACKGROUND: Baculoviruses have been developed as promising biopesticides to control pests due to their high host specificity and virulence, and nontoxicity to humans and nontarget animals. However, their sensitivity to ultraviolet (UV) radiation and ... ...

Abstract	BACKGROUND: Baculoviruses have been developed as promising biopesticides to control pests due to their high host specificity and virulence, and nontoxicity to humans and nontarget animals. However, their sensitivity to ultraviolet (UV) radiation and instability in the natural environment are major constraints to its large‐scale application. In this study, polydopamine‐nucleopolyhedrovirus microcapsules were established to improve the instability of baculoviruses in sunlight. RESULTS: The optimal conditions for the preparation of polydopamine‐nucleopolyhedrovirus microcapsules were as follows: Spodoptera exigua nucleopolyhedrovirus (SeMNPV)concentration of 2 × 10⁸ polyhedral inclusion body（PIB） mL–¹, reaction time of 6 h, and pH of 9.0. The particle size of the obtained microcapsules was about 1 μm. The microencapsulated baculovirus improved its thermal stability and wettability, and enhanced its insecticidal activity against Spodoptera exigua. Moreover, under the same UV treatment, the insecticidal effect against S. exigua larvae of microencapsulated baculovirus was only reduced by 8.89%, whereas that of the nonmicroencapsulated baculovirus was reduced by 27.27%. CONCLUSION: Polydopamine‐nucleopolyhedrovirus microcapsules provided better UV resistance and preparation stability compared with unmodified SeMNPV, and demonstrate an idea for the development of a baculovirus‐based stabilized product. © 2021 Society of Chemical Industry.
Keywords	Baculoviridae ; Spodoptera exigua ; biopesticides ; host specificity ; insecticidal properties ; microencapsulation ; pH ; particle size ; thermal stability ; ultraviolet radiation ; virulence ; wettability
Language	English
Dates of publication	2022-02
Size	p. 456-466.
Publishing place	John Wiley & Sons, Ltd.
Document type	Article
Note	JOURNAL ARTICLE
ZDB-ID	2001705-4
ISSN	1526-4998 ; 1526-498X
ISSN (online)	1526-4998
ISSN	1526-498X
DOI	10.1002/ps.6640
Database	NAL-Catalogue (AGRICOLA)

Full text online

Accessible to users with ZB MED library card

In stock of ZB MED Bonn / Germany

Z 2731: Show issues

Order via subito

Inter-library loan at ZB MED

Your chosen title can be delivered directly to ZB MED Cologne location if you are registered as a user at ZB MED Cologne.

Details ▾

Article: Evaluating the dynamic characteristics and energetic performance of a paddy multistage counter-flow dryer

Li, Chengjie / Fang, Zhuangdong / Zhong, Jiahao / Li, Bin / Li, Changyou

IAgrE Biosystems engineering. 2022 July 05,

2022

Abstract: Paddy drying is a spontaneous dehydration process following the principles of high product quality, high drying efficiency, low energy consumption, and environmental protection. However, its complex properties hinder the development of optimal control ... ...

Abstract	Paddy drying is a spontaneous dehydration process following the principles of high product quality, high drying efficiency, low energy consumption, and environmental protection. However, its complex properties hinder the development of optimal control during drying. In this study, the real-time paddy drying state of a paddy multistage counter-flow dryer is simulated utilising numerical simulation technology. Results indicate the simulation results agreed well with the experimental data with mean relative deviation of less than 15%. Moreover, the steady and transient characteristics of present dryer are analysed under multiple disturbances. In addition, the effects of ambient and ventilation parameters on productivity, specific energy consumption, heat loss, and exergy loss characteristics are investigated in detail. Based on the simulation and analysis, a uniform design experiment is performed to determine the optimal ventilation parameters of paddy with initial moisture content of 0.238 g water g⁻¹ wet matter when ambient temperature and relative humidity are 20 °C and 50%, respectively. Drying air temperatures of 60 °C and 40 °C, and flow velocity of 1600 m h⁻¹ and 1150 m h⁻¹, respectively, in the high- and low-temperature drying stages are found to be the optimal ventilation parameters.
Keywords	air ; ambient temperature ; environmental protection ; exergy ; heat ; mathematical models ; paddies ; product quality ; relative humidity ; specific energy ; water content
Language	English
Dates of publication	2022-0705
Publishing place	Elsevier Ltd
Document type	Article
Note	Pre-press version
ZDB-ID	2075942-3
ISSN	1537-5110
ISSN	1537-5110
DOI	10.1016/j.biosystemseng.2022.07.003
Database	NAL-Catalogue (AGRICOLA)

Full text online

Accessible to users with ZB MED library card

In stock of ZB MED Bonn / Germany

Z 1110: Show issues

Order via subito

Inter-library loan at ZB MED

Your chosen title can be delivered directly to ZB MED Cologne location if you are registered as a user at ZB MED Cologne.

Details ▾

Article: Extensive secretion of phenolic acids and fatty acids facilitates rhizosphere pH regulation in halophyte Puccinellia tenuiflora under alkali stress

Li, Hong / Xu, Chenyang / Han, Lei / Li, Changyou / Xiao, Binbin / Wang, Huan / Yang, Chunwu

Physiologia plantarum. 2022 Mar., v. 174, no. 2

2022

Abstract: Puccinellia tenuiflora is a forage grass with high nutritional value that is an extreme alkali‐tolerant halophyte: it can survive at pH 10–11. Root secretion is perceived as a major plant alkali tolerance mechanism. In the present study, we applied a ... ...

Abstract	Puccinellia tenuiflora is a forage grass with high nutritional value that is an extreme alkali‐tolerant halophyte: it can survive at pH 10–11. Root secretion is perceived as a major plant alkali tolerance mechanism. In the present study, we applied a widely targeted metabolomic approach to identify and quantify the root exudates of P. tenuiflora under alkali stress. We also surveyed the transcriptional and metabolic profiling of P. tenuiflora roots under salt (96‐mM Na⁺, pH 6.8) and alkali (96‐mM Na⁺, pH 9.6) stresses to reveal the biological processes mediating root secretion. In P. tenuiflora plants, 493 root exudates were detected under control conditions, 544 root exudates under salt stress conditions, and 607 root exudates under alkali stress conditions. Salt‐stressed plants and alkali‐stressed plants shared 64 root exudates, and 60 root exudates were unique to alkali‐stressed plants. The secretion rate of 56 phenolic acids, 43 fatty acids, and 9 organic acids was faster in alkali‐stressed roots than in control and salt‐stressed roots. In P. tenuiflora roots, alkali stress enhanced the accumulation of 23 phenolic acids, five organic acids, and only one fatty acid. In addition, transcriptomic analysis revealed that alkali stress upregulated glycolysis and phenylpropanoid biosynthesis pathways in P. tenuiflora roots. Taken together, extensive secretion of phenolic acids and fatty acids promotes rhizosphere pH regulation of P. tenuiflora under alkali stress, which contributes to its strong alkali tolerance. The root secretion of P. tenuiflora upon alkali stress is highly organized. Enhanced glycolysis, phenylpropanoid biosynthesis, and organic acid synthesis in the roots provide more reducing power and carbon source for the root secretion process of alkali‐stressed P. tenuiflora.
Keywords	Puccinellia tenuiflora ; alkali tolerance ; biosynthesis ; carbon ; fatty acids ; forage grasses ; glycolysis ; halophytes ; metabolomics ; nutritive value ; pH ; rhizosphere ; salt stress ; secretion ; transcription (genetics) ; transcriptomics
Language	English
Dates of publication	2022-03
Publishing place	Blackwell Publishing Ltd
Document type	Article
Note	JOURNAL ARTICLE
ZDB-ID	2020837-6
ISSN	1399-3054 ; 0031-9317
ISSN (online)	1399-3054
ISSN	0031-9317
DOI	10.1111/ppl.13678
Database	NAL-Catalogue (AGRICOLA)

Full text online

Accessible to users with ZB MED library card

Order via subito

Details ▾
- Full text online
- Order with fees

To top

More links

Kategorien

Order via subito

More links

Kategorien

Order via subito

Full text online

More links

Kategorien

Order via subito

Full text online

More links

Kategorien

Order via subito

Full text online

More links

Kategorien

In stock of ZB MED Cologne/Königswinter

Order via subito

More links

Kategorien

Order via subito

Inter-library loan at ZB MED

Full text online

More links

Kategorien

Order via subito

Full text online

More links

Kategorien

In stock of ZB MED Bonn / Germany

Order via subito

Inter-library loan at ZB MED

Full text online

More links

Kategorien

In stock of ZB MED Bonn / Germany

Order via subito

Inter-library loan at ZB MED

Full text online

More links

Kategorien

Order via subito