检索结果-南通市图书馆

Rapid and efficient characterization of cervical collagen orientation using linearly polarized colposcopic images

Journal of Innovative Optical Health Sciences 2023年第5期16卷 21-31页

作者： Cat Phan Ngoc Khuong Dung Nguyen Huu Quang Hai Pham thanh Long Nguyen Quynh Nguyen Ngoc Duc Le huynh Tien Tran Van Tu Ly Anh Department of Applied Physics Ho Chi Minh City University of Technology 268 Ly Thuong Kiet Street District 10 Ho Chi Minh City 700000Vietnam Quality Management Department Tu Du Hospital 284 Cong QuynhDistrict 1 Ho Chi Minh City 700000Vietnam Department of Biomedical Engineering Nguyen Tat thanh University 300A Nguyen Tat Thanh District 4Ho Chi Minh City 700000Vietnam Faculty of Science and Technology Jean Monnet University 11 Rue du Docteur Annino Saint Etienne 42000France

Collagen provides tissue strength and structural *** fication of the orientated dispersion of collagen fibers is an important factor when studying the mechanical properties of the *** this study,for the first time,a new method for rapid characterization of the collagen fiber orientations of the cervix using linearly polarized light colposcopy is presented.A total of 24 colposcopic images were captured using a cross-polarized imaging system with white LED light *** the preprocessing stage,the Red channel of the RGB image was chosen,which contains no information of the blood vessels because of the low-absorption of blood cells in the red ***,which is an ImageJ plug-in,was used to estimate the local orientation of the collagen *** result shows that in the nonpregnant cervix,the middle zone(Zone 2)has circumferentially aligned collagen fibers while the inner zone(Zone 1)has randomly *** collagen fiber dispersion in Zone 2 is much smaller than that in Zone 1 at all four quadrants region(anterior,posterior,left,and right quadrant).This new analysis technique could potentially combine with diagnostic tools to provide a quantitative platform of collagen fibers in the clinic.

关键词： Cervix collagen fibers collagen orientation coherency cross-polarized imaging colposcopy

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Fuzzy Feedback Control for Electro-Hydraulic Actuators

引用

Intelligent Automation & Soft Computing 2023年第5期36卷 2441-2456页

作者： Tan Nguyen Van Huy Q.Tran Vinh Xuan Ha Cheolkeun Ha Phu huynh Minh School of Engineering-Technology Thu Dau Mot UniversityThu Dau Mot City590000Vietnam Faculty of Engineering-Technology Nguyen Tat Thanh UniversityHo Chi Minh City754000Vietnam Hue Industrial College Hue City530000Vietnam Robotics and Mechatronics Lab University of UlsanUlsan City44610Korea

Electro-hydraulic actuators(EHA)have recently played a signiﬁcant role in modern industrial applications,especially in systems requiring extremely high *** can be explained by EHA’s ability to precisely control the position and force through advanced sensors and innovative control *** of the promising approaches to improve control accuracy for EHA systems is applying classical to modern control algorithms,in which the proportional–inte-gral–derivative(PID)algorithm,fuzzy logic controller,and a hybrid of these methods are popular *** this paper,we developed a novel version of the fuzzy control algorithm and linear feedback control method,namely fuzzy lin-ear feedback control,to improve the control *** achieve the highest performance,weﬁrst designed a mathematical EHA model based on the Matlab/Simulink software packages thanks to the selected parameters,which are similar to a real EHA ***,we respectively applied PID,fuzzy PID(FPID),and fuzzy linear feedback control(FLFC)before comparing them to have a full view of the outstanding advantages of the proposed *** simulation results showed that the proposed FLFC algorithm is approximately 99%and 77%super-ior in performance to the PID and feedback control algorithms,respectively.

关键词： Electro-hydraulic actuator fuzzy PID feedback control

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

酶法提取洛神花中花青素的工艺优化

引用

应用化工 2017年第4期46卷 607-610页

作者：张辉青花徐斐袁敏上海理工大学医疗器械与食品学院上海200093

对酶法提取洛神花中花青素的工艺进行了优化。结果显示,在煎煮时间为60 s,提取温度为55℃,水解作用时间60 min条件下,果胶酶Ultra Mash和果胶酶Yield Mash(120 mL/t∶45 mL/t)的组合酶可获得最高浓度的花青素711.5 mg/100 g;该提取法的... 详细信息

对酶法提取洛神花中花青素的工艺进行了优化。结果显示,在煎煮时间为60 s,提取温度为55℃,水解作用时间60 min条件下,果胶酶Ultra Mash和果胶酶Yield Mash(120 mL/t∶45 mL/t)的组合酶可获得最高浓度的花青素711.5 mg/100 g;该提取法的花青素得率跟无酶对照样品相比提高了119.8%。此外,通过微波辅助条件的优化(微波时间40 s,微波功率600 W)进一步提高了花青素的提取浓度至774.1 mg/100 g,花青素得率跟无酶对照样品相比提高了139.2%。

关键词：洛神花花青素提取酶法微波辅助提取

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Neighboring Atom Collisions in Solid-State High Harmonic Generation

引用

Ultrafast Science 2021年第1期1卷 23-30页

作者： Ruixin Zuo Alexander Trautmann Guifang Wang Wolf-Rüdiger Hannes Shidong Yang Xiaohong Song Torsten Meier Marcelo Ciappina huynh thanh Duc Weifeng Yang Research Center for Advanced Optics and Photoelectronics Department of PhysicsCollege of ScienceShantou UniversityShantouGuangdong 515063China Institute of Mathematics Shantou UniversityShantouGuangdong 515063China Department of Physics and Center for Optoelectronics and Photonics Paderborn(CeOPP) University of PaderbornWarburger Str.100D-33098 PaderbornGermany Key Laboratory of Intelligent Manufacturing Technology of MOE Shantou UniversityShantouGuangdong 515063China Physics Program Guangdong Technion-Israel Institute of TechnologyShantouGuangdong 515063China Technion-Israel Institute of Technology Haifa 32000Israel Ho Chi Minh City Institute of Physics Vietnam Academy of Science and Technology1 Mac Dinh ChiDistrict 1Ho Chi Minh CityVietnam

High harmonic generation(HHG)from solids shows great application prospects in compact short-wavelength light sources and as a tool for imaging the dynamics in crystals with subnanometer spatial and attosecond temporal ***,the underlying collision dynamics behind solid HHG is still intensively debated and no direct mapping relationship between the collision dynamics with band structure has been ***,we show that the electron and its associated hole can be elastically scattered by neighboring atoms when their wavelength approaches the atomic *** reveal that the elastic scattering of electron/hole from neighboring atoms can dramatically influence the electron recombination with its left-behind hole,which turns out to be the fundamental reason for the anisotropic interband HHG observed recently in bulk *** findings link the electron/hole backward scattering with Van Hove singularities and forward scattering with critical lines in the band structure and thus build a clear mapping between the band structure and the harmonic *** work provides a unifying picture for several seemingly unrelated experimental observations and theoretical predictions,including the anisotropic harmonic emission in MgO,the atomic-like recollision mechanism of solid HHG,and the delocalization of HHG in *** strongly improved understanding will pave the way for controlling the solid-state HHG and visualizing the structure-dependent electron dynamics in solids.

关键词： spectrum harmonic collision

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Microbiota of Salt Lakes as Food for the Brine Shrimp Artemia

引用

Acta Geologica Sinica(English Edition) 2014年第S1期88卷 105-105页

作者： Gilbert VAN STAPPEN thanh Toi huynh Nguyen Van Hoa SUI Liying DENG Yuangao Peter BOSSIER Laboratory of Aquaculture & Artemia Reference Center Ghent University College of Aquaculture and Fisheries Can Tho University College of Marine Science and Engineering Tianjin University of Science & Technology

The brine shrimp Artemia is often abundantly found in hypersaline *** larvae(‘nauplii’)hatching from its dormant embryos(‘cysts’)are a crucial live food item for the larval stages of fish and shrimp in aquaculture

关键词： Artemia diet bacteria primary production

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Applied Biofloc Technology for Target Species in the Mekong Delta in Vietnam： A Review

引用

Journal of Environmental Science and Engineering(B) 2017年第4期6卷 165-175页

作者： Nguyen Van Hoa Ta Van Phuong Tran Ngoc Hai Chau Tai Tao Le Quoc Viet Nguyen Thi Hong Van huynh thanh Toi Tran Huu Le Vo Nam Son Pham Quoc Anh Duy College of Aquaculture and Fisheries (CAF) Cantho University Cantho 270000-910000 Vietnam College of Applied Biology Tay Do University Cantho 270000-910000 Vietnam

BFT （Biofloc Technology） has been currently applied in Cantho University to a number of targeted species from fresh-to marine and saline water species in the Mekong Delta, e.g. striped catfish （Pangasianodon hypophthalmus）, white leg shrimp （Litopenaeus vannamei）, tiger shrimp （Penaeus monodon） and Artemia Vinhchau strain （Artemia franciscana） for both in the lab-scales or production scales. The best growth and survival rate of striped catfish was obtained in 6%o. For white leg shrimp, the results indicated：（1） C （Carbon） source e.g. rice-flour or molasses supplementary based on the feed provided to promote survival, growth and shrimp biomass harvested; （2） it was fed less than 20% as usual but showed similar to those in the control; （3） combination of rice-flour and molasses at a ratio of 70：30 by weight of C and N （Nitrogen） in a ration of 15：1 enhanced shrimp survival and growth; （4） in intensive culture, shrimp could be against the infection of disease and end up with higher survival, growth in earthen ponds. For tiger shrimp, a set up for larvae till post larvae at different ratios of C and N and C：N of 30 PLI5 displayed with better survival rate （49.73 ± 7.07%） and production （74,596 ± 10.608 PL/m3）. Artemiafranciscana was set up at C：N = 10：1 and salinities from 35, 60, 80 and 100 ppt. After two weeks, there were no significant difference among treatment and the control （without biofloc） in term of survival and growth. Moreover, total embryos per female was not significant different with the control and even the number of embryos as cysts tended to be higher. BFT displayed its advantages when applied on culture system of different targeted species and there is no doubt that it could help to sustain aquaculture and save environment in the Mekong Delta in near future.

关键词： Biofloc techology striped catfish white leg shrimp tiger shrimp Artemia Vinhchau strain.

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Ecological and behavioural risk factors of scrub typhus in central Vietnam:a case-control study

引用

Infectious Diseases of Poverty 2021年第4期10卷 97-97页

作者： Hanh Thi Duc Tran Jan Hattendorf Hung Manh Do thanh Tien Hoang Hang Thi Hai Hoang Hoa Ngoc Lam Mai Kim huynh Lan Thi Hoang Vu Jakob Zinsstag Daniel Henry Paris Esther Schelling Department of Epidemiology and Public Health Swiss Tropical and Public Health InstituteBaselSwitzerland 不详

Background The risk factors for scrub typhus in Vietnam remain *** typhus caused by Orientia tsutsugamushi often presents as an undifferentiated febrile illness and remains under appreciated due to the limited availability of diagnostic *** tropical rickettsial illness is increasingly recognized as an important cause of non-malaria acute undifferentiated fever in *** study aimed to investigate behavioural and ecological related risk factors of scrub typhus to prevent this potentially life-threatening disease in *** We conducted a clinical hospital-based active surveillance study,and a retrospective residence-enrolment date-age-matched case–control study in Khanh Hoa province,Vietnam,from August 2018 to March *** examinations,polymerase chain reaction and enzyme-linked immunosorbent assay IgM tests were applied to define cases and *** enrolled participants filled out a questionnaire including demographic socio-economic status,personal behaviors/protective equipment,habitat connections,land use,and possible exposure to the *** conditional logistic regression was used to define the scrub typhus associated risk *** We identified 44 confirmed cases and matched them with 152 *** cases and controls,the largest age group was the 41–50 years old and males accounted for 61.4%and 42.8%,*** were similarities in demographic characteristics between the two groups,with the exception of *** factors were significantly associated with acquisition of scrub typhus,including sitting/laying directly on household floor[adjusted OR(aOR)=4.9,95%CI:1.6–15.1,P=0.006],household with poor sanitation/conditions(aOR=7.9,95%CI:1.9–32.9,P=0.005),workplace environment with risk(aOR=3.0,95%CI:1.2–7.6,P=0.020),always observing mice around home(aOR=3.7,95%CI:1.4–9.9,P=0.008),and use of personal protective equipment in the field(aOR=0.4,95%CI:0.1–1.1,P=0.076).Conclusions Ecological

关键词： Ecological Environmental Behaviour Risk factor Scrub typhus Orientia tsutsugamushi Vietnam

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Rest Thallium-201/Stress Technetium-99m Sestamibi Dual-Isotope Myocardial Perfusion Single-Photon Emission Computed Tomography in Detecting of Chronic Coronary Artery Disease

引用

Journal of Pharmacy and Pharmacology 2016年第5期4卷 183-191页

作者： Phuong Kim huynh Lap Vu Cong Xuan Quang Truong Canh Nguyen Xuan Cho Ray Hospital 201B Nguyen Chi thanh Street District 5 Ho Chi Minh city (+084) Viet Nam

To investigate diagnostic accuracy of 2-hour protocol of rest thallium-201/stress technetium-99m sestamibi dual-isotope myocardial perfusion SPECT in chronic coronary artery disease. Sixty-seven patients with suspected CAD were enrolled in the prospective study. All patients underwent myocardial perfusion scintigraphy in SPECT with dual isotopes of T1-201 and dipyridamole stress Tc-99m sestamibi. Rest and stress imaging protocol were performed in 2 hours by dose of 3 mCi TI-201 and 25 mCi Tc-99m sestamibi. The acquisition parameters includes LEHR collimator, energy peak of 72 and 167 keV for T1-201 and 140 keV for Tc-99m, 180-degree rotation from RAO to LPO, matrix size 64x64, and 25second/frame/64 frames. The 20-segment model of left ventricle was used in automatic quantitation software. Coronary angiography was used as gold standard. CAD was defined as 50% of lumen stenosis on coronary angiography. Rest TI-201/stress tc-99m sestamibi dual-isotope SPECT demonstrated a sensitivity of 94.59% and specificity of 70%, positive predictive value of 79.54% and negative predictive value of 91.3% in detection of coronary artery disease. Sensitivity and specificity for detecting multi-vessel coronary artery disease were 82.75% and 81.57% for the left anterior descending, 77.77% and 91.83% for left circumflex and 94.11% and 82% for right coronary artery. 2-hour protocol of rest thallium-201/stress technetium-99m sestamibi dual-isotope myocardial perfusion SPECT has high sensitivity, specificity, positive predictive value and negative predictive value in detecting chronic coronary artery disease with greater than 50% stenosis assessed by coronary angiography Moreover, this imaging protocol gives high imaging quality, time-saving and convenience.

关键词： MPS (myocardial perfusion scintigarphy) SPECT (single proton emission computed tomography) CAD (coronary arterydisease) CA (coronary angiography).

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

考虑电流相角的多层磁体永磁辅助同步磁阻电机的不可逆退磁分析

引用

国外大电机 2021年第3期 41-51页

作者： thanh Anh huynh 葛旭(译) 白晶(校) 不详

1引言电动汽车(EVs)因其低排放和环境友好性[1]而被认为是汽车工业和运输部门的关键技术。在电动汽车中,牵引电机是推进系统的核心部件,并且选取合适的牵引电机对电动汽车的性能至关重要。

关键词：牵引电机电动汽车环境友好性永磁辅助同步磁阻电机低排放

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

越南南部华人文化传播与变迁:明月居士林

引用

海洋史研究 2020年第2期 325-340页

作者：阮玉诗黄黄波越南胡志明市国家大学社会科学与人文大学校文化学系不详

越南明月居士林(Minh Nguyet cu si lam,又称明月善社)是潮州华人的宗教派别,它综合了中国佛教、道教、民间信仰、日本密宗佛教和纯越南净土宗佛教。目前,越南明月居士林在胡志明市、芹苴市(Can Tho)、沙沥市(Sa Dec)、朔庄市(Soc Trang... 详细信息

越南明月居士林(Minh Nguyet cu si lam,又称明月善社)是潮州华人的宗教派别,它综合了中国佛教、道教、民间信仰、日本密宗佛教和纯越南净土宗佛教。目前,越南明月居士林在胡志明市、芹苴市(Can Tho)、沙沥市(Sa Dec)、朔庄市(Soc Trang)、博廖市(thanh pho Bac Lieu)、金瓯市(Ca Mau)和大叻市(Da Lat)均有场所。越南明月居士林在多元文化背景下被引入和发展,1954年注册为佛教的一部分。作为中国文化的外延,明月善社(明月居士林的前身)在动荡战乱的年代中兴起、发展和传播,随华人移民传入越南。越南的明月居士林必须佛教化,以便在保持宗教形式的情况下得到承认和发展。另外,伴随移民,越南明月居士林在20世纪80年代传播到加拿大、美国和澳大利亚,形成了一个跨国网络。

关键词：宗教派别净土宗越南南部民间信仰佛教化跨国网络华人移民华人文化

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：