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Journal of Animal Science and Biotechnology 2012年第2期3卷 100-107页

作者： Wentao Lv Tingting Ju bing Dong Boyang Yu Jingdong yin State Key Laboratory of Animal Nutrition China Agricultural UniversityNo.2 West Road Yuanmingyuan100193BeijingChina

This study was conducted to investigate the effect of different dietary ratios of 13C to 12C or 15 N to 14N on their relative incorporation into tissues. Eighty male rats were used in two 21-day feeding trials in which they were fed diets with either high δ13C levels （δ13C=-13.89%o and δ15N =2.37%o in experiment 1 and δ13C=-19.34%o and δ15N = 4.73%o in experiment 2） or low 613C levels （δ13C =-17.90%o and δ15N = 3.08%o in experiment 1 and δ13C =-21.76%o and δ15N = 0.53‰ in experiment 2）, meanwhile, the dietary δ15N levels were designed to two ranks Blood, liver, adipose and muscle tissues were collected on day 0, 3, 7, 14, and 21 for determination of 13C, 12C, 15N and 14 N isotopes. Rat growth rate, antioxidant capacity and metabolic parameters were also assessed. The results indicate that adipose tissue tend to deplete 13C before the stable isotopic ratios achieved final equilibrium. Therefore, feeds with different isotopic signatures had different incorporation rates into tissues. Low dietary 13C levels decreased tissue δ13C values whereas high dietary 13C levels did not alter tissue δ13C values during the 21-d experiment. Blood δ15N values were a reliable parameter in assessing the relative contribution of dietary nitrogen to tissues. This study revealed a relationship between dietary tissues. However, more studies are needed to illustrate the sotopic signatures and their incorporation rates into rat mechanism through which dietary isotopic ratios nfiuence the extent of isotopic incorporation into the tissues

关键词： Carbon Diet Nitrogen Stable isotopes

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指向课程协同育人的跨学科主题学习路径设计

教学与管理 2025年第2期 24-28页

作者：殷凤张慧上海市浦东教育发展研究院上海200127 上海市浦东新区高桥镇小学上海200137

核心素养体系本身关注的是综合性素养,以落实“培养什么人”的教育目标。加强课程综合,注重关联,开展跨学科主题学习,强化课程协同育人功能,是新一轮课程改革的重要指向。以关联内容结构、融通核心素养、创设进阶活动、落实以评促学作... 详细信息

核心素养体系本身关注的是综合性素养,以落实“培养什么人”的教育目标。加强课程综合,注重关联,开展跨学科主题学习,强化课程协同育人功能,是新一轮课程改革的重要指向。以关联内容结构、融通核心素养、创设进阶活动、落实以评促学作为跨学科学习设计的路径,精准把握跨学科学习的取向,避免学科间的简单“拼盘”,从而真正实现课程的协同育人。

关键词：跨学科主题学习协同育人核心素养

Conducting polypyrrole in tissue engineering applications

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Frontiers of Materials Science 2014年第1期8卷 39-45页

作者： Zhong-bing HUANG Guang-Fu yin Xiao-Ming LIAO Jian-Wen GU College of Materials Science and Engineering Sichuan University Chengdu 610064 China PLA General Hospital of Chengdu Military Region Chengdu 610083 China

Polypyrrole （PPy）, the earliest prepared conducting polymer, has good biocompatibility, easy synthesis and flexibility in processing. Compared with metal and inorganic materials, doped PPy has better mechanical match with live tissue, resulting in its many applications in biomedical field. This mini-review presents some information on specific PPy properties for tissue engineering applications, including its synthesis, doping, bio-modiflcation. Although some challenges and unanswered problems still remain, PPy as novel biomaterial has promoted the development tissue engineering for its clinical application in the future.

关键词： conducting polypyrrole doping modification tissue engineering

Sinusoidally architected helicoidal composites inspired by the dactyl club of mantis shrimp

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International Journal of Smart and Nano Materials 2023年第3期14卷 321-336页

作者： Ruiheng Yang Huitian Wang bing Wang Sheng Zhang Zhiping Huang Sha yin Department of Automotive Engineering School of Transportation Science and EngineeringBeihang UniversityBeijing 100191China National Key Laboratory of Science and Technology on Advanced Composites in Special Environments Harbin Institute of TechnologyHarbinChina WAY Business Solutions GmbH Jiangsu Changshu Automotive Trim Group Co.LtdChangshuChina

The impact region of the dactyl club of mantis shrimp features a rare sinusoidally helicoidal architecture,contributing to its efficient impact-resistant *** study aims to attain bioinspired sinusoidally architected composites from a practical engineering *** features of plain-woven fabric were characterized,which demonstrated that the interweaving warp and weft yarns exhibited a sinusoidal *** woven composites were thus employed and helicoidally stacked to achieve the desired ***-static three-point bending and low-velocity impact tests were subsequently performed to evaluate their mechanical *** three-point bending condi-tion,the dominant failure mode gradually changed from fiber breakage to delamination with the increase in the pitch *** displacement and energy absorption of the heli-coidal woven composites were,respectively,43.89%and 141.90%greater than the unidirectional *** low-velo-city impact condition,the damage area of the helicoidal woven composites decreased by 49.66%while the residual strength increased by 10.10%compared with those of the unidirectional ones,exhibiting better damage resistance and ***,effects of fiber architecture on mechanical properties were *** work will shed light on future design of the next-generation impact-resistant architected composites.

关键词： Bioinspired composites architected materials thermoplastic composites mechanical properties impact behavior

Xuefuzhuyu injection induces neuronal differentiation of rat bone morrow mesenchymal stem cells

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Neural Regeneration Research 2011年第3期6卷 177-182页

作者： yin, Yanqing Chen, bing Ke, Junlong Mo, Wei Zou, Xinhui Liang, Yuansheng Guangdong Med Coll Affiliated Hosp Dept Neurosurg Zhanjiang 524001 Guangdong Peoples R China Guangdong Med Coll Affiliated Hosp Dept Neurol Zhanjiang 524001 Guangdong Peoples R China

The primary effective components of Xuefuzhuyu, including Rhizoma Chqanxiong, Radix Salviae Miltiorrhiae, and Radix Angelicae Sinensis, have been shown to induce the differentiation of bone marrow mesenchymal stem cells （BMMSCs） into neuronal-like cells. However, there is little available evidence on the effects of the Chinese herbal compound Xuefuzhuyu on BMMSC differentiation. The present study investigated the effects of Xuefuzhuyu on differentiation of rat BMMSCs into neuronal-like cells, and evaluated the optimal concentration for inducing differentiation. Inverted microscopy was used to observe BMMSCs induced by Xuefuzhuyu; immunocytochemistry revealed expression of the neuronal marker neuron-specific enolase surface antigen in the majority of BMMSCs following treatment with Xuefuzhuyu at concentrations of 1,3, 5 and 10 g/L. A concentration of 3 g/L resulted in highest neuron-specific enolase expression. These results suggest that BMMSCs can be induced to differentiate into neuronal-like cells with Xuefuzhuyu, and 3 g/L is the optimal inductive concentration for effective differentiation.

关键词： Xuefuzhuyu bone marrow mesenchymal stem cells neuronal-like cells neuralregeneration induction differentiation

Bandgaps of the Chalcogenide Glass Hollow-Core Photonic Crystal Fiber

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Chinese Physics Letters 2011年第11期28卷 113-116页

作者： LI Shu-Guang ZHOU Hong-Song yin Guo-bing Key Laboratory of Metastable Materials Science and Technology College of ScienceYanshan UniversityQinhuangdao 066004

Bandgaps of chalcogenide glass hollow-core photonic crystal fibers(GLS HC-PCFs)are analyzed by using the plane-wave expansion method.A mid-infrared laser can propagate in these low confinement loss fibers when the wavelength falls into the *** enlarging the bandgap width,an improved GLS HC-PCF is put forward,the normalized frequency𝑘Λof the improved fiber is from 7.2 to 8.5 in its first *** improved GLS HC-PCF with pitch of 4.2μm can transmit the lights with wavelengths ranging from 3.1m to 3.7μm.

关键词： fiber Crystal fibers

A Preliminarily Statistic and Synoptic Study about the Basic Currents over Southeastern Asia and the Initiation of Typhoons

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Journal of Meteorological Research 2018年第4期32卷 661-669页

作者： Yi-bing XIE Shou-Jun CHEN I-Liang CHANG yin-Liang HUANG Department of Geophysics Peking University Beijing 100871

The relation between the basic currents of the low latitudes and the initiation of typhoons is investigated statistic-ally and synoptically by means of recent aerological data. It is shown that about 80% of typhoons developed in the eastern part of the equatorial convergence zone between the equatorial westerlies and trade wind of West Pacific Ocean. The equatorial westerly is a large scale and quasi-steady phenomenon; therefore, it is probably reasonable to be called ＂basic current＂ and typhoons are considered as vortices of smaller scale. There is a quite definite relation- ship between the time, position, frequency of the initiation of typhoons and the position, strength of the basic cur-rents in the low latitudes. There is a quasi-periodical variation of the strength and position of the basic currents with a period longer than one month. This fact may be helpful for the extended forecast the initiation and development of ty-phoons.

关键词： In A Preliminarily Statistic and Synoptic Study about the Basic Currents over Southeastern Asia and the Initiation of Typhoons

Analysis of error performance on turbo coded FDPIM

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Optoelectronics Letters 2008年第4期4卷 287-291页

作者： ZHU yin-bing WANG Hong-Xing ZHANG Tie-ying Department of Navigation Engineering Naval University of Engineering Wuhan 430033 China Department of Electronic Engineering Institute of Naval Aeronautic Engineering Yantai 264001China

Due to variable symbol length of digital pulse interval modulation(DPIM),it is difficult to analyze the error performances of turbo coded *** solve this problem,a fixed-length digital pulse interval modulation(FDPIM) method is *** FDPIM modulation structure is *** packet error rates of uncoded FDPIM are analyzed and compared with that of *** error rates of turbo coded FDPIM are simulated based on three kinds of analytical models under weak turbulence *** results show that packet error rate of uncoded FDPIM is inferior to that of uncoded ***,FDPIM is easy to be implemented and easy to be *** turbo code for soft-decision because of its fixed ***,the introduction of turbo code in this modulation can decrease the average power about 10 dBm,which means that it can improve the error performance of the system effectively.

关键词： turbo码通信系统误差数字脉冲间隔调制

基于风格迁移的柔性输尿管内窥镜图像深度估计

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天津大学学报（自然科学与工程技术版） 2025年第1期58卷 47-55页

作者：辛运帏尹晶晶赵煜代煜崔亮殷小涛南开大学网络空间安全学院天津300071 天津市网络与数据安全技术重点实验室天津300071 南开大学机器人与信息自动化研究所天津300350 民航总医院泌尿外科北京100123 解放军总医院第四医学中心泌尿外科北京100048

输尿管内窥镜手术是目前针对肾结石的主流治疗方案,其外形细长、镜体柔软,能够灵活穿越人体自然腔道的内径狭窄的尿道和输尿管,检查视野范围更广,使医生能够更好地观察到病变区域.但一般的输尿管内窥镜仅配备单目摄像头进行配合手术操作... 详细信息

输尿管内窥镜手术是目前针对肾结石的主流治疗方案,其外形细长、镜体柔软,能够灵活穿越人体自然腔道的内径狭窄的尿道和输尿管,检查视野范围更广,使医生能够更好地观察到病变区域.但一般的输尿管内窥镜仅配备单目摄像头进行配合手术操作,无法借助额外设备获取数据导致了其图像信息的匮乏;同时,相比于胃肠、鼻镜等手术场景,本研究的肾内场景在不具备公开数据集的同时,图像质量参差不齐,表面纹理细节不足,孔洞区域褶皱少,受模糊反光等干扰大,都易使深度估计受到影响针对以上问题,提出了一种基于改进风格迁移模型的深度估计方法.该方法首先根据术前CT图像重建肾脏内部腔道模型并提取中心路径,将虚拟内窥镜的摄像头设置在插值后的路径点上,构建了虚拟内窥镜漫游图像与深度估计图像一一对应的数据集,并基于此数据集训练了一个深度估计模型;随后,使用添加高效通道注意力(ECA)模块的改进风格迁移模型,将真实内窥镜图像域迁移至虚拟内窥镜图像域;最后,再将经由风格迁移产生的虚拟内窥镜图像送入上述训练得来的深度估计模型中,最终实现真实内窥镜图像的深度估计.所提方法的可行性及有效性在输尿管钬激光碎石术的图像中得到验证.

关键词：深度估计风格迁移注意力机制深度学习

Synthesis and Crystal Structure of a New cis-Dioxovanadium (V) Complex with Pyruvic Acid Isonicotinyl Hydrazone (PAINH)

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Chinese Journal of Structural Chemistry 2006年第2期25卷 219-223页

作者： CHEN Rui-Jin ZHOU yin-Zhuang HU Dai-Di tu Shu-Jie XIAO Ling-Mei DePartment of Chemistry Capital Normal University Beijing 100037 China

A new cis-dioxovanadium （V） complex [VO2（C9H8N3O3）]（C5H5N） involving a carboxyl group coordination employing a tridentate Schiff Base derived from pyruvic acid and isonicotinyl hydrazide is reported. This complex crystallizes in triclinic, space group P1^- with a = 7.3522 （12）, b = 7.8376（13）, c = 14.898（2） ,A°, a = 84.010（2）, β = 86.568（2）, γ= 64.586（2）°, V = 771.1（2）A °^3 ,Z = 2, F（000） = 376, Mr = 368.22, D, = 1.586 g/cm^3, g = 0.677 mm ^-1, R = 0.0421 and wR = 0.1253. The vanadium atom of the dioxovanadium （V） is five-coordinated to furnish a distorted trigonal bipyramid geometry.

关键词： dioxovanadium complex pyruvic acid isonicotinyl hydrazone (PAINH),crystal structure