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MODEL OF SEA ICE BrEAKUP ON SHALLOW BEACH DUE TO TIDAL FLUCTUATION

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Journal of Hydrodynamics 2000年第4期12卷 41-45页

作者： Li Chun hua, Qiu Da hong, Wang Yong xue State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116024, P.r.China (received jan.18, 2000) Dalian Univ. of Technol. Dalian 116024 China

There are many factors that may lead to the breakup of shore fast ice, such as wind, wave, tide and so on. This paper mainly analyzed the ice breakup on the shallow beach due to tidal fluctuation. The theoretical model was set up and the fitting range was given. The calculated result shows that the slope angle α, the ice thickness h, and the ice length l are key factors in determining the ice breakup length l p.

关键词： model of sea ice breakup shallow beach tidal fluctuation

Quantitative analysis of microstructure of carbon materials by HrTEM

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中国有色金属学会会刊：英文版 2006年第B2期16卷 796-803页

作者： YANG jan-he CHENG Shu-hui WANG Xia ZHANG Zhuo LIU Xiao-rong TANG Guo-hua Department of Materials Science and Engineering Shanghai Institute of Technology Shanghai 200235 China School of Chemical Engineering East China University of Science and Technology Shanghai 200000 China

The main object of the present research is to make a quantitative evaluation on the microstructure of carbon materials in terms of microcrystal. The digitized images acquired from finely pulverized carbon materials under HrTEM at a high magnification were processed by the image processing software so as to extract the fringes of (002) lattice of graphite crystal from the background image, and an FFT-IFFT filtering operation was performed followed by processes as binarization for the image and skeletonization for the fringes. A set of geometrical parameters including position, length and orientation was set up for every lattice fringe by calculating the binarized image. Then, the above obtained fringe parameters were put into an algorithm, which was especially developed for such fringe images so as to find fringes that could be regarded as those belonged to one single graphite microcrystal. The fringe was subjected sequentially to comparing procedures with every other fringe on aspects as parallelism, relative position and spacing, and the above comparisons were repeated till the last fringe. Eventually, the microcrystal size, its stacking number, and the distribution of the microcrystal in the whole sample, as well as other related structure information of such microcrystal in carbon materials were statistically calculated. Such microstructure information at nanometer level may contribute greatly to the interpretation of the properties of carbon materials and a better correlation with the same macrostructure.

关键词：碳材料微晶显微结构定量分析 HrTEM

Financial and mangerial accounting : the basis for business decisions / 12th ed.

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Food refusal in Develomentally Disabled Children

2002年

作者： Williams jan r.

来源：畅想之星图书光盘版（南... 评论

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畅想之星图书光盘版（南通市图书馆镜像）

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Food Refusal in Develomentally Disabled Children

Spatial heterogeneity of flesh-cell osmotic potential in sweet cherry affects partitioning of absorbed water

中国康复医学会首届儿童康复学术会议暨中国残疾人康复协会第八届小儿脑瘫学术会议

作者： jan De Moor r.Didden Department of Special Education University of Nijmegen

PUrPOSE:Food refusal is a common problem among children with developmental disabilities. In some cases children refuse all kinds of food. These children are at risk for malnutrition, dehydration , and growth retardation Where food refusal is life-threatening, tube-feeding becomes necessary. The purpose of the present study was to assess the effectiveness of a multicomponent treatment package on total food refusal and on extreme food selectivity in developmental disabled toddlers. The aim of the treatment was to establish complete oral food acceptance in the children with total food refusal and to enhance variety in food intake in children with extreme selectivity.

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Horticulture research 2020年第1期7卷 2104-2113页

作者： Eckhard Grimm Daniel Pflugfelder jan Hahn Moritz Jonathan Schmidt Hendrik Dieckmann Moritz Knoche Institut für Gartenbauliche Produktionssysteme Leibniz Universität HannoverAbteilung ObstbauHerrenhäuser Straße 2D-30419 HannoverGermany Forschungszentrum Jülich IBG-2:PflanzenwissenschaftenWilhelm-Johnen-StraßeD-52428 JülichGermany Laser Zentrum Hannover e.V. Hollerithallee 8D-30419 HannoverGermany

A fleshy fruit is commonly assumed to resemble a thin-walled pressure vessel containing a homogenous carbohydrate *** sweet cherry(Prunus avium L.)as a model system,we investigate how local differences in cell water potential affect H2O and D2O(heavy water)*** partitioning of H2O and D2O was mapped nondestructively using magnetic resonance imaging(MrI).The change in size of mesocarp cells due to water movement was monitored by optical coherence tomography(OCT,non-destructive).Osmotic potential was mapped using microosmometry(destructive).Virtual sections through the fruit revealed that the H2O distribution followed a net pattern in the outer mesocarp and a radial pattern in the inner *** patterns align with the disposition of the vascular bundles.D2O uptake through the skin paralleled the acropetal gradient in cell osmotic potential gradient(from less negative to more negative).Cells in the vicinity of a vascular bundle were of more negative osmotic potential than cells more distant from a vascular *** revealed net H2O uptake was the result of some cells loosing volume and other cells increasing volume.H2O and D2O partitioning following uptake is non-uniform and related to the spatial heterogeneity in the osmotic potential of mesocarp cells.

关键词： potential Spatial bundle

Bone regeneration Based on Tissue Engineering Conceptions – A 21st Century Perspective

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Bone research 2013年第3期1卷 216-248页

作者： jan Henkel Maria A.Woodruff Devakara r.Epari roland Steck Vaida Glatt Ian C.Dickinson Peter F.M.Choong Michael A.Schuetz Dietmar W.Hutmacher Institute of Health & Biomedical Innovation Queensland University of TechnologyBrisbane Queensland Australia Orthopaedic Oncology Service Princess Alexandra HospitalBrisbane Australia Department of Surgery University of Melbourne St. Vincent's HospitalMelbourne Australia Department of Orthopaedics St. Vincent's HospitalMelbourneAustralia Bone and Soft Tissue Sarcoma Service Peter MacCallum Cancer CentreMelbourne Australia Orthopaedic and Trauma Services Princess Alexandra HospitalBrisbane Australia George W Woodruff School of Mechanical Engineering Georgia Institute of TechnologyAtlanta GA USA

The role of Bone Tissue Engineering in the field of regenerative Medicine has been the topic of substantial research over the past two decades. Technological advances have improved orthopaedic implants and surgical techniques for bone reconstruction. However, improvements in surgical techniques to reconstruct bone have been limited by the paucity of autologous materials available and donor site morbidity. recent advances in the development of biomaterials have provided attractive alternatives to bone grafting expanding the surgical options for restoring the form and function of injured bone. Specifically, novel bioactive （second generation） biomaterials have been developed that are characterised by controlled action and reaction to the host tissue environment, whilst exhibiting controlled chemical breakdown and resorption with an ultimate replacement by regenerating tissue. Future generations of biomaterials （third generation） are designed to be not only osteo- conductive but also osteoinductive, i.e. to stimulate regeneration of host tissues by combining tissue engineer- ing and in situ tissue regeneration methods with a focus on novel applications. These techniques will lead to novel possibilities for tissue regeneration and repair. At present, tissue engineered constructs that may find future use as bone grafts for complex skeletal defects, whether from post-traumatic, degenerative, neoplastic or congenital/developmental ＂origin＂ require osseous reconstruction to ensure structural and functional integrity. Engineering functional bone using combinations of cells, scaffolds and bioactive factors is a promising strategy and a particular feature for future development in the area of hybrid materials which are able to exhibit suitable biomimetic and mechanical properties. This review will discuss the state of the art in this field and what we can expect from future generations of bone regeneration concepts.

关键词： bone tissue engineering regenerative medicine additve manufacturing clinical translation scaffolds

Sperm kinematic, head morphometric and kinetic- morphometric subpopulations in the blue fox （Alopex lagopus）

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Asian Journal of Andrology 2017年第2期19卷 154-159页

作者： Caries Soler Jesus Contell Lorena Bori Maria Sancho Almudena Garcia-Molina Anthony Valverde jan Segarvall Department of Functional Biology and Physical Anthropology University of Valencia 46100 Burjassot Spain r+D Department Proiser R+D Scientific Park University of Valencia 46980 Paterna Spain Technological Institute of Costa rica San Carlos Campus School of Agronomy 223-21001 Alajuela Costa Rica Finnish Fur Breeders Association ProFur 65101 Vaasa Finland

This work provides information on the blue fox ejaculated sperm quality needed for seminal dose calculations. Twenty semen samples, obtained by masturbation, were analyzed for kinematic and morphometric parameters by using CASA-Mot and CASA-Morph system and principal component （PC） analysis. For motility, eight kinematic parameters were evaluated, which were reduced to PC1, related to linear variables, and PC2, related to oscillatory movement. The whole population was divided into three independent subpopulations： SP1, fast cells with linear movement; SP2, slow cells and nonoscillatory motility; and SP3, medium speed cells and oscillatory movement. In almost all cases, the subpopulation distribution by animal was significantly different. Head morphology analysis generated four size and four shape parameters, which were reduced to PC 1, related to size, and PC2, related to shape of the cells. Three morphometric subpopulations existed. SPI： large oval cells; SP2： medium size elongated cells; and SP3. small and short cells. The subpopulation distribution differed between animals. Combining the kinematic and morphometric datasets produced PC1, related to morphometric parameters, and PC2, related to kinematics, which generated four sperm subpopulations - SPI.. high oscillatory motility, large and short heads; SP2; medium velocity with small and short heads; SP3. slow motion small and elongated cells; and SP4. high linear speed and large elongated cells. Subpopulation distribution was different in all animals. The establishment of sperm subpopulations from kinematic, morphometric, and combined variables not only improves the well-defined fox semen characteristics and offers a good conceptual basis for fertility and sperm preservation techniques in this species, but also opens the door to use this approach in other species, included humans.

关键词： integration of motility and morphology principal component analysis sperm morphometry subpopulation

柴北缘锡铁山花岗质片麻岩深熔作用年代和冷却历史:来自浅色体^(40)Ar/^(39)Ar年代学证据

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大地构造与成矿学 2016年第1期40卷 125-135页

作者：胡荣国邱华宁 jan r.WIJBrANS Fraukje M.BrOUWEr 何立言王敏桂林理工大学广西隐伏金属矿产勘查重点实验室广西桂林541004 中国科学院广州地球化学研究所同位素地球化学国家重点实验室广东广州510640 Department of Petrology VU University Amsterdam

长英质浅色体广泛出露于柴北缘造山带中段锡铁山地体花岗质片麻岩中,多呈脉状、不规则透镜状顺区域片麻理走向产出,主要由钾长石、斜长石、角闪石、石英以及少量黑云母组成,是黑云母花岗质片麻岩深融作用的产物。温压估算获得其形成条件... 详细信息

长英质浅色体广泛出露于柴北缘造山带中段锡铁山地体花岗质片麻岩中,多呈脉状、不规则透镜状顺区域片麻理走向产出,主要由钾长石、斜长石、角闪石、石英以及少量黑云母组成,是黑云母花岗质片麻岩深融作用的产物。温压估算获得其形成条件为P=(6.5~9.6)′102 MPa,T=640~690℃,达麻粒岩相。选取浅色体角闪石和钾长石单矿物进行激光阶段加热^(40)Ar/^(39)Ar定年。角闪石共进行了17个阶段,其中3~17阶段数据形成平坦年龄谱,坪年龄为442.5±4.0 Ma;构成年龄坪的数据对应的等时线年龄为441.6±3.9 Ma,相应初始捕获氩比值为303±4,暗示该角闪石样品不含过剩^(40)Ar。坪年龄~442.5 Ma解释为角闪石初始结晶年龄,代表了锡铁山地区黑云母片麻岩发生深融(混合岩化)的时代。共生钾长石阶段加热获得一个低温和一个高温坪,坪年龄分别为307.5±2.9 Ma和323.3±3.0 Ma;等时线图谱暗示该钾长石样品未受过剩^(40)Ar干扰。坪年龄分别代表浅色体冷却到钾长石封闭温度~200℃和~250℃的时间。^(40)Ar/^(39)Ar定年结果显示锡铁山黑云母片麻岩深熔作用后经历了低速抬升(0.1~0.2 km/Ma)和缓慢冷却(3~3.6℃/Ma)的演化历史。

关键词：浅色体花岗质片麻岩深熔作用 40Ar/39Ar定年冷却历史锡铁山地体

Sphincter-preserving r0 total mesorectal excision with resection of internal genitalia combined with pre-or postoperative chemoradiation for T4 rectal cancer in females

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World Journal of Gastroenterology 2007年第16期13卷 2339-2343页

作者： Bartlomiej Szynglarewicz rafal Matkowski Piotr Kasprzak Daniel Sydor Jozef Forgacz Marek Pudelko jan Kornafel Marek Pudelko 2~(nd) Department of Surgical Oncology Lower Silesian Oncology Center-Regional Comprehensive Cancer Center Wroclaw Poland Marek Pudelko 2~(nd) Department of Surgical Oncology Lower Silesian Oncology Center-Regional Comprehensive Cancer Center Wroclaw Poland Department of Gynaecological Oncology Wroclaw Medical University Poland Division of radiology Lower Silesian Oncology Center-Regional Comprehensive Cancer Center Wroclaw Poland Institute of Mathematics Department of Mathematics and Computer Sciences University of Wroclaw Poland Department of Gynaecological Oncology Wroclaw Medical University Poland

AIM: To evaluate the impact of chemoradiation admi- nistered pre- or postoperatively on prognosis in females following r0 extended resection with sphincter- preserving total mesorectal excision (TME) for locally advanced rectal cancer and to assess the association between chemoradiation and intra- and postoperative variables. METHODS: Twenty-one females were treated for locally advanced but preoperatively assessed as primarily resectable rectal cancer involving reproductive organs. Anterior resection with TME and excision of internal genitalia was combined with neo- or adjuvant chemoradiation. Two-year disease-free survival analysis was performed with the Kaplan-Meier method and log- rank test. The association between chemoradiation and other variables was evaluated with the Fisher’s exact test and Mann-Whitney test. rESULTS: Survival rate decreased in anaemic females (51.5% vs 57.4%), in patients older than 60 years (41.8% vs 66.7%) with poorly differentiated cancers (50.0% vs 55.6%) and tumors located ≤ 7 cm from the anal verge (42.9% vs 68.1%) but with the lack of importance. Patients with negative lymph nodes and women chemoradiated preoperatively had significantly favourable prognosis (85.7% vs 35.7%; P= 0.03 and 80.0% vs 27.3%; P = 0.01, respectively). Preoperative chemoradiation compared to adjuvant radiochemotherapy was not significantly associated with the duration of surgery, incidence of intraoperative bowel perforation and blood loss ≥ 1 L, rate of postoperative bladder and anorectal dysfunction, and minimal distal resection margin. It significantly influenced minimal radial margin (mean 4.2 mm vs 1.1 mm; P rnal genitalia, long-term disease-free survival and sphincter preservation may be achieved with combined-modality therapy for females with T4 locally advanced rectal carcinoma. Neoadjuvant chemoradiation does not compromise functional results and may significantly improve oncological outcomes probably due to

关键词： Locally advanced rectal cancer Anterior resection Total mesorectal excision Hysterectomy Chemoradiation