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Growth Efficiency of Local Chickens Using Sweet Potato Vine with Concentration Feed as a Basal Diet

Journal of Environmental Science and Engineering(B) 2024年第3期13卷 108-113页

作者： Hieak Hun Suheang Sorn chan.Bun Manay Ith Ty Chhay Kouch Theng Chetra Sar Faculty of Animal Sciences Royal University of AgriculturePhnom Penh 12400Cambodia General Directorate of Animal Health and Production Phnom Penh 120603Cambodia Faculty of Veterinary Medicine Royal University of AgriculturePhnom Penh 12400Cambodia Ministry of Environment Sangkat Tonle BasakKhan Chamkar MonPhnom Penh 120101Cambodia Ministry of Agriculture Forestry and FisheriesSangkat Tonle BasakKhan Chamkar MonPhnom Penh 120101Cambodia Graduate School Royal University of AgriculturePhnom Penh 12400Cambodia

The experiment was conducted at the animal experimental station of the Faculty of Animal Sciences,Royal University of Agriculture,commenced from 10 January to 14 March,*** CRD(Completely Randomized Design)was used with 5 treatments and 4 *** 500 chicks at one-day-old,local bread,were purchased from farmers who run their small scale hatchery *** chicks were kept together till 21 days old,and then were allocated randomly into in five diets(treatments),25 chicks per *** feed formulas for this study were designed and calculated to maintain a protein content of approximately 17%,dividing into 5 feed formulas(Treatments),such as concentrated feed only(control treatment:T0),plus 10%of fresh sweet potato vine(T1),plus 20%of fresh sweet potato vine(T2),plus 30%of fresh sweet potato vine(T3)and plus 20%of sweet potato vine meal(T4).The results showed that the treatment T1,had a similar final weight with the treatment T4,but was slightly lower than the treatment T0 which used concentrated feed *** intake and FCR(Feed Conversion Ratio)were not significantly different among those *** conclusion,the average daily weight gain of chickens seemed to decrease with increasing the level of fresh sweet potato ***,the optimum level of fresh sweet potato vine was 10%,which may have little effect on the growth performance of local *** addition,it was not far different from the positive control treatment and the treatment using sweet potato vine ***,the producers can increase the amount of sweet potato vine in feed formula by processing it into meal and mixing with concentrated feed or using as feed ingredients.

关键词： Local breed final weight feed intake FCR

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Zircon U-Pb ages and O-Hf isotopes of Quaternary trachytes from the East Sea:Implications for the genesis of low-δ^(18)O magmas

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Geoscience Frontiers 2024年第2期15卷 41-54页

作者： Hyun-Ok Choi Jihye Oh chan. Hwan Kim Soon Young Choi Won Hyuck Kim chan.Hong Park Dokdo Research Center East Sea Research InstituteKorea Institute of Ocean Science and TechnologyUljin 36315Republic of Korea Deep-Sea and Seabed Mineral Resources Research Center Korea Institute of Ocean Science and TechnologyBusan 49111Republic of Korea Division of Science Education Kangwon National University1 Gangwondaehak-gilChuncheon-siGangwon-do 24341Republic of Korea

Quaternary intraplate magmatism formed several volcanic islands and seamounts,including Dokdo(DD),Ulleungdo(UD),Simheungtack(ST),Anyongbok,and Isabu in the southwest of the East Sea back-arc *** this study,we present whole-rock geochemical,zircon U–Pb age,and in situ O–Hf isotope data for the submerged volcanic rocks from DD,UD,and ST to provide new insights into the eruption timing of these volcanoes and constrain the magma evolution *** samples used in this study were trachytes and exhibited ferroan,alkalic,and metaluminous to weakly peraluminous *** showed light rare earth element(Ree)-enriched patterns with(La/Yb)N ratios of 25.3–31.7 and mostly negative Eu anomalies in a chondrite-normalized Ree *** addition,they were enriched in large-ion lithophile elements and high field strength elements;they exhibited positive Pb anomalies and strongly negative Ba,Sr,P,and Ti *** zircons yielded a weighted-mean 206Pb/238U age of 2.61,0.348–0.704,and 2.76–2.94 Ma for the DD,UD,and ST trachytes,*** zircons exhibited lowerδ^(18)O values than normal depleted mantle values,regardless of the crystallization age and spatial distribution of ***δ^(18)O values showed no correlation with U contents or Th/U ratios,indicating that the lowδ^(18)O signatures were of primary magmatic *** Hf isotopic compositions of the zircons were relatively heterogeneous but predominately characterized by positive eHf *** O–Hf mixing modeling revealed that low-δ^(18)O rocks with positive eHf values from the UD and ST volcanoes were derived from a hybrid source of recycled juvenile crustal materials with low-δ^(18)O and positive eHf signatures and an enriched mantle source with normalδ^(18)O and negative eHf *** juvenile oceanic crust in the source was likely metasomatized by seawater at high temperatures prior to *** contrast,the felsic magma that formed the DD volcanoes may have assimilated with regional

关键词： Quaternary intraplate volcanism East Sea Zircon O-Hf isotopes Low-δ^(18)O magma Recycled juvenile oceanic crust

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骨骼干细胞表观遗传调控的新证据（英文）

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Science Bulletin 2024年第13期 2004-2006页

作者：赵黎明肖骏 Charles K.F.chan Institute for Stem Cell Biology and Regenerative Medicine Stanford University School of Medicine Department of Surgery Division of Plastic and Reconstructive Surgery Stanford University School of Medicine Department of Orthopaedic Surgery Tongji Hospital Tongji Medical College Huazhong University of Science and Technology

Skeletal stem cells (SSCs) are crucial for skeletal development and regeneration, yet the epigenetic regulation of these cells remains poorly understood. Recent studies have delineated the epigenetic landscape across the developmental trajectory of SSCs,highlighting the involvement of Ptip in regulating SSC *** skeletal system undergoes dynamic remodeling throughout life. Skeletal stem cells (SSCs), residing within the skeleton and lineage-restricted, serve as a cellular reserve to foster development and maintain skeletal homeostasis. Historically categorized within the broader mesenchymal stromal/stem cells (MSCs), SSCs have been differentiated due to MSCs’ recognized heterogeneity, which has generated inconsistencies and controversies in the field [1].

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抹茶对贮藏期间薏仁米脂质氧化的影响

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食品与机械 2024年第1期40卷 140-144页

作者：陈婵黄靖福建农业职业技术学院现代农业工程学院福建福州350007

目的:利用天然物质抹茶延长薏仁米货架期。方法:以新鲜薏仁米为原料,经过不同剂量抹茶茶粉处理,测定贮藏期间薏仁米的水分含量、脂肪酸值、过氧化值、丙二醛含量等各项指标及菌落总数和脂质氧化关键酶的变化。结果:经不同剂量抹茶茶粉... 详细信息

目的:利用天然物质抹茶延长薏仁米货架期。方法:以新鲜薏仁米为原料,经过不同剂量抹茶茶粉处理,测定贮藏期间薏仁米的水分含量、脂肪酸值、过氧化值、丙二醛含量等各项指标及菌落总数和脂质氧化关键酶的变化。结果:经不同剂量抹茶茶粉处理均会抑制薏仁米贮藏期间脂肪酸值、过氧化值、丙二醛含量以及脂肪酶和脂肪氧化酶活性的上升,减少水分的消耗及微生物的生长繁殖。抹茶对薏仁米的保藏效果存在一定程度的剂量依赖性,但添加质量分数为0.05%和0.08%的抹茶茶粉处理的保藏效果差异较小。贮藏4个月后,与自封袋组相比,添加质量分数为0.05%的抹茶茶粉处理组中薏仁米的脂肪酸值、过氧化值和丙二醛含量分别降低了31.60%,30.77%,44.83%,脂肪酶和脂肪氧化酶活性分别降低了23.05%,28.74%,且游离脂肪酸组成和含量与新鲜薏仁米更相似。结论:抹茶能有效抑制薏仁米贮藏期间脂质氧化,延长其货架期。

关键词：抹茶薏仁米脂质氧化贮藏脂肪酸

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Development and validation of a circulating tumor DNA-based optimization-prediction model for short-term postoperative recurrence of endometrial cancer

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World Journal of Clinical Cases 2024年第18期12卷 3385-3394页

作者： Yuan Liu Xiao-Ning Lu Hui-Ming Guo chan.Bao Juan Zhang Yu-Ni Jin Department of Gynaecology The First Affiliated Hospital of Kunming Medical UniversityKunming 650032Yunnan ProvinceChina

BACKGROUND Endometrial cancer(EC)is a common gynecological malignancy that typically requires prompt surgical intervention;however,the advantage of surgical management is limited by the high postoperative recurrence rates and adverse *** studies have highlighted the prognostic potential of circulating tumor DNA(ctDNA)monitoring for minimal residual disease in patients with *** To develop and validate an optimized ctDNA-based model for predicting shortterm postoperative EC *** We retrospectively analyzed 294 EC patients treated surgically from 2015-2019 to devise a short-term recurrence prediction model,which was validated on 143 EC patients operated between 2020 and *** factors were identified using univariate Cox,Lasso,and multivariate Cox regressions.A nomogram was created to predict the 1,1.5,and 2-year recurrence-free survival(RFS).Model performance was assessed via receiver operating characteristic(ROC),calibration,and decision curve analyses(DCA),leading to a recurrence risk stratification *** Based on the regression analysis and the nomogram created,patients with postoperative ctDNA-negativity,postoperative carcinoembryonic antigen 125(CA125)levels ofee risk *** The nomogram accurately predicted RFS after EC surgery at 1,1.5,and 2 *** model will help clinicians personalize treatments,stratify risks,and enhance clinical outcomes for patients with EC.

关键词： Circulating tumor DNA Endometrial cancer Short-term recurrence Predictive model Prospective validation

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Ovarian-adnexal reporting and data system ultrasound evaluation and pathological characteristics of ovarian collision tumor

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World Journal of Clinical Cases 2024年第22期12卷 4932-4939页

作者： chan.Yin Yong Wang Zhi-Hui Fei Li-Hong Sun Wei-Ai Zhou Heng Li Department of Ultrasound Hunan University of Arts and Sciences Affiliated Changde Maternal and Child Health HospitalChangde 415000Hunan ProvinceChina Department of Ultrasound People's Hospital of Shimen CountyChangde 415300Hunan ProvinceChina Department of Ultrasound Medicine The Maternal and Child Health Hospital of ChangdeChangde 415000Hunan ProvinceChina Department of Psychology The Maternal and Child Health Hospital of ChangdeChangde 415000Hunan ProvinceChina Department of Gynaecology Hunan University of Arts and Sciences Affiliated Changde Maternal and Child Health HospitalChangde 415000Hunan ProvinceChina Department of Ultrasound The First People's Hospital of ChangdeChangde 415000Hunan ProvinceChina

BACKGROUND Collision tumor are neoplasms,including two histologically distinct tumors that coexist in the same mass without histological *** incidence of collision tumor is low and is rare *** To investigate ultrasound images and application of ovarian-adnexal reporting and data system(O-RADS)to evaluate the risk and pathological characteristics of ovarian collision *** This study retrospectively analyzed 17 cases of ovarian collision tumor diagnosed pathologically from January 2020 to December *** clinical features,ultrasound images and histopathological features were collected and *** O-RADS score was used for *** O-RADS score was determined by two senior doctors in the gynecological ultrasound *** with O-RADS score of 1-3 were classified as benign tumors,and lesions with O-RADS score of 4 or 5 were classified as malignant *** There were 17 collision tumors detected in 16 of 6274 patients who underwent gynecological *** average age of 17 women with ovarian collision tumor was 36.7 years(range 20-68 years),in whom,one occurred bilaterally and the rest occurred *** average tumor diameter was 10 cm,of which three were 2-5 cm,11 were 5-10 cm,and three were>10 ***(29.4%)tumors with O-RADS score 3 were endometriotic cysts with fibroma/serous cystadenoma,and unilocular or multilocular cysts contained a small number of parenchymal ***(64.7%)tumors had an O-RADS score of 4,including two in category 4A,six in category 4B,and three in category 4C;all of which were multilocular cystic tumors with solid components or multiple papillary ***(5.9%)tumor had an O-RADS score of *** case was a solid mass,and a small amount of pelvic effusion was detected under *** pathology was high-grade serous cystic cancer combined with cystic mature *** were nine(52.9%)tumors with elevated serum carbohydrate antigen(CA)125 and two(11.8%)with

关键词： Ovarian collision tumor Ovarian-adnexal reporting and data system Epithelial tumor Serous cystadenoma Ultrasound images

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以农业新质生产力助推乡村生态产品价值实现

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农村经济 2024年第6期 1-10页

作者：蒋永穆杜婵四川大学马克思主义学院四川成都610207 四川大学经济学院四川成都610065

农业新质生产力是以创新为魂、以质优为要、以先进为本的农业高质量发展和生态高水平保护的先进生产力质态。新形势下,加快形成以科技创新为核心驱动力的农业新质生产力是推动乡村生态产品价值实现的强劲动力,以农业新质生产力助推乡村... 详细信息

农业新质生产力是以创新为魂、以质优为要、以先进为本的农业高质量发展和生态高水平保护的先进生产力质态。新形势下,加快形成以科技创新为核心驱动力的农业新质生产力是推动乡村生态产品价值实现的强劲动力,以农业新质生产力助推乡村生态产品价值实现是农业全面绿色转型与乡村生态共富良性互动的重要体现。立足现实来看,我国乡村生态产品度量难、交易难、变现难、抵押难的“四难”瓶颈仍未实现根本性突破。鉴于此,研究认为,以农业新质生产力助推乡村生态产品价值实现的路径应当是:破除生态保护与发展认知困境,以现代科技为面向、以统筹开发为关键、以市场交易为突破、以政策制度为保障,筑牢农业新质生产力发展的绿色底线,在保护生产力中发展生产力,促进“绿水青山”和“金山银山”的相互转化,彰显和促进经济发展与生态保护的和谐共生。

关键词：新质生产力农业新质生产力绿色生产力生态产品价值实现

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感染性心内膜炎患者临床表现与超声特征及转归影响因素

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中华医院感染学杂志 2024年第16期34卷 2467-2471页

作者：张涛李帅韩婵婵尹海威滕州市中心人民医院超声科山东枣庄277599

目的观察不同转归感染性心内膜炎(IE)患者的临床表现及超声特征,分析影响IE患者转归的影响因素。方法回顾性选取2020年5月-2023年4月在滕州市中心人民医院收治的120例IE患者,收集IE患者临床基线资料、治疗方案、院内并发症、实验室检... 详细信息

目的观察不同转归感染性心内膜炎(IE)患者的临床表现及超声特征,分析影响IE患者转归的影响因素。方法回顾性选取2020年5月-2023年4月在滕州市中心人民医院收治的120例IE患者,收集IE患者临床基线资料、治疗方案、院内并发症、实验室检查结果、心脏超声特征以及随访情况等资料;根据其治疗后6个月的转归情况分为转归良好组(n=95)和转归不良组(n=25),观察不同转归IE患者的临床表现及心脏超声特征,并采用多因素Logistic回归分析影响IE患者转归的影响因素。结果转归良好组患者入院心率低于转归不良组,出现症状至就诊时间短于转归不良组,心功能Ⅳ级、有下肢水肿的占比低于转归不良组(P15 mm、人工瓣周漏是影响IE患者转归的危险因素(P15 mm、人工瓣周漏会增加IE患者不良预后风险。

关键词：感染性心内膜炎临床表现超声特征转归影响因素

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Two-photon polymerization lithography for imaging optics

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International Journal of Extreme Manufacturing 2024年第4期6卷 21-60页

作者： Hao Wang Cheng-Feng Pan Chi Li Kishan S Menghrajani Markus A Schmidt Aoling Li Fu Fan Yu Zhou Wang Zhang Hongtao Wang Parvathi Nair Suseela Nair John You En chan.Tomohiro Mori Yueqiang Hu Guangwei Hu Stefan A Maier Haoran Ren Huigao Duan Joel K W Yang College of Mechan.cal and Vehicle Engineering Hunan UniversityChangsha 410082People's Republic of China Engineering Product Development Singapore University of Technology and DesignSingapore 487372Singapore Greater Bay Area Institute for Innovation Hunan UniversityGuangzhou 511300People's Republic of China Department of Electrical and Computer Engineering National University of Singapore4 Engineering Drive 3Singapore 117576Singapore School of Physics and Astronomy Faculty of ScienceMonash UniversityMelbourneVictoria 3800Australia Leibniz Institute of Photonic Technology 07745 JenaGermany Abbe Center of Photonics and Faculty of Physics FSU Jena07745 JenaGermany Otto Schott Institute of Material Research FSU Jena07745 JenaGermany Institute of Materials Research and Engineering A*STAR(Agency for Science Technology and Research)Singapore 138634Singapore Industrial Technology Center of Wakayama Prefecture Wakayama 6496261Japan School of Electrical and Electronic Engineering Nanyang Technological UniversitySingapore639798Singapore Department of Physics Imperial College LondonLondon SW72AZUnited Kingdom

Optical imaging systems have greatly extended human visual capabilities,enabling the observation and understanding of diverse *** technologies span a broad spectrum of wavelengths from x-ray to radio frequencies and impact research activities and our daily *** glass lenses are fabricated through a series of complex processes,while polymers offer versatility and ease of ***,modern applications often require complex lens assemblies,driving the need for miniaturization and advanced designs with micro-and nanoscale features to surpass the capabilities of traditional fabrication ***-dimensional(3D)printing,or additive manufacturing,presents a solution to these challenges with benefits of rapid prototyping,customized geometries,and efficient production,particularly suited for miniaturized optical imaging *** 3D printing methods have demonstrated advantages over traditional counterparts,yet challenges remain in achieving nanoscale ***-photon polymerization lithography(TPL),a nanoscale 3D printing technique,enables the fabrication of intricate structures beyond the optical diffraction limit via the nonlinear process of two-photon absorption within liquid *** offers unprecedented abilities,***-free fabrication,micro-and nanoscale capabilities,and rapid prototyping of almost arbitrary complex 3D *** this review,we emphasize the importance of the criteria for optical performance evaluation of imaging devices,discuss material properties relevant to TPL,fabrication techniques,and highlight the application of TPL in optical *** the first panoramic review on this topic,it will equip researchers with foundational knowledge and recent advancements of TPL for imaging optics,promoting a deeper understanding of the *** leveraging on its high-resolution capability,extensive material range,and true 3D processing,alongside advances in materials,fabrication,and design,we en

关键词： two-photon polymerization lithography 3D printing additive manufacturing imaging optics and nanophotonics

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用于常见环境污染物检测的柔性荧光传感器

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精细化工 2024年第7期41卷 1494-1503,1518页

作者：丁赫宇刘慧景雷学博李婵西安工程大学纺织科学与工程学院陕西西安710048

随着工业化进程的不断推进,环境污染问题日益突出,研发针对不同种类污染物检测的传感器及其阵列对治理环境污染、保障人们健康生活意义重大。具有检测灵敏度高、响应速度快等特征的荧光分子探针逐渐成为污染物检测的重要工具,将其通过... 详细信息

随着工业化进程的不断推进,环境污染问题日益突出,研发针对不同种类污染物检测的传感器及其阵列对治理环境污染、保障人们健康生活意义重大。具有检测灵敏度高、响应速度快等特征的荧光分子探针逐渐成为污染物检测的重要工具,将其通过物理或化学方法固定于柔性基质表面制备的荧光传感薄膜是一种发展潜力巨大的微痕量物质检测装置,具有操作简单、便于携带、尺寸可调和不污染待测体系等优势,尤其是对当前引起广泛关注的智能可穿戴材料的研究具有极大的促进作用。该文综述了近几年基于荧光探针技术的柔性传感薄膜与器件对常见气相、液相环境污染物进行检测的研究现状,并总结了该领域目前存在的一些问题和挑战,展望了该技术在传感单元和基底多元拓展和优化、复合型柔性传感器阵列、环境友好型薄膜再生技术等方面的未来发展方向。

关键词：荧光探针柔性传感薄膜检测技术研究进展

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