Mechanical valves last longer than tissue valves, but they increase the risk of other complications. 机械瓣使用时间长于组织瓣膜,但是它增加了其它并发症的风险。
In this paper is introduced a design of two dimensional dynamic test system for mechanical performance of biosoft tissue. 本文简述了生物软组织力学特性二维动态测试系统的设计。
With the effects of soothing, decompression and pain relief ( such as joint pain, sciatica), promote the regular mechanical aerobic exercise of skin tissue, rapidly relieve stress and remove fatigue. 舒缓减压镇痛(例如关节痛、坐骨神经痛),对皮肤组织进行有规律的机械有氧运动,迅速缓解压力,消除疲劳。
Mechanical tenderization can destruct muscle tissue, reduce shearing value and improve the sensory tenderness of a product. 机械嫩化能破坏肌肉组织结构,降低产品剪切力值,改善感官嫩度;
Regulatory mechanism of transforming growth factor-beta 1 on mechanical properties of tissue engineered heart valve TGF-β1调控组织工程瓣膜力学性能机制研究
Mechanical Study of Liver Tissue Destruction Induced by High-intensity Focused Ultrasound 高功率聚焦超声破坏肝组织的机理研究
Objective To study the role of mechanical factor in bone tissue remodeling, and the affecting activities and differentiation of osteoblast after loading mechanical strain, in order to provide the theoretical basis in tissue engineering for study the mechanism of strain in bone remodeling. 目的了解力学因素在骨组织重建过程中的作用,探讨应变对成骨细胞增殖活性及功能状态的影响,为组织工程中研究应变对骨组织重建的影响提供理论依据。
Methods: 3 ways were used to prepare cells, the mechanical, chemical, and tissue culture method. 方法:分别用机械取材法、化学取材法及组织块培养法,体外培养人葡萄膜黑色素瘤细胞。
The petiole and the stem all posses assimilation, but con-tain very littls mechanical tissue. 叶柄、茎均具同化功能,但机械组织不发达。
When human body suffer from suddenness, the material character of skeleton and the mechanical properties of bone tissue must be understood if the appropriate renovation materials could be found. 当人体发生意外时,要想找到合适的骨修复材料,必须了解骨组织本身的的材料性质,以及对骨机械性能更好的理解。
Such as main root went deep into soil, lateral root and mechanical tissue of stem was well developed. The mechanical tissue of rhizoma and ecological environment of various species of Coptis are discussed. 主根深入土壤,侧根发达;并对各种黄连根茎厚壁细胞的有无及存在部位以及生长环境进行了讨论。
The rachis of these cycads had structure characteristic of xerophytes, i.e., thicker cuticular membrane, developed mechanical tissue, the more secretion, crystal and secretory canal and more number of vascular bundles etc. 苏铁类植物叶轴具有旱生植物的解剖结构特征:角质层较厚、表皮细胞壁厚、机械组织发达、晶体较多、分泌道和维管束数目较多等结构特征。
The mechanical tissue thickness, the number of the tissue cell layers, the cell size and manner of the cell arrangement were different in various ecological regions. 不同生态区乔纳金苹果果皮机械组织厚度、细胞层数、细胞大小和排列方式各异。
This paper will probe into and summarize kinds of noninvasive detection methods for blood glucose, such as Fourier transform-near infrared spectrum, mechanical manipulation of tissue, pulse optoacoustic technology etc. 本文对多种葡萄糖无创检测方法(如傅立叶变换红外光谱法,组织的力学操作,脉冲光声技术等)进行了研究和总结。
The studies showed that salt resistant soybeans have developed mechanical tissue, conducting tissue, assimilating tissue. 实验结果表明,抗盐大豆的机械组织、输导组织、同化组织都很发达;
An experiment research based on simulating pupillary blocking force to analyze mechanical properties of iris tissue quantitatively 基于定量瞳孔阻滞力仿真实验的虹膜组织生物力学特性分析
A quantitative investigation on the arrangement of the mechanical tissue in bamboo culm 毛竹机械组织的排列
Effect of Mechanical Stresses on Primary Tissue Failure of Bovine Pericardial Valve 机械应力对牛心包瓣原发性损坏的影响
The Study of Mechanical Experiment Device for Soft Tissue 软组织力学实验装置的研究
A study of experiment method to measure mechanical property of iris tissue 虹膜组织力学特性研究的实验方法探索
Well developed mechanical tissue made up of 20~ 30 layers small fiber cells close to epidermis of stem, 3~ 4 circles vascular bunolles; 茎中表皮下由20~30层排列紧密、形状较小的纤维细胞组成发达的机械组织,维管束3或4轮,中央为发达的髓;
Single freezing-thaw results in biggish mechanical injury already for loosen tissue such as pork liver; 对于结构疏松组织比如猪肺脏,单次冻融对组织已造成较大的机械破损;
Many vessel numbers, small pore, libriform fibres ( mechanical tissue) and obvious secondary thickening of xylem tissue are the features of adaptation to the environment. 红树植物导管数量多、管孔小、机械组织为韧型纤维,薄壁组织次生加厚明显是适应环境的特征。
The results showed that numbers of vascular bundles and cylic cells, the thickness of mechanical tissue and stem wall were increased by MET, which resulted in a decreased internode and in reduced plant height. 结果表明,多效唑能明显地抑制茎细胞的伸长生长,茎壁厚度和机械组织厚度显著增加,茎秆内中央维管束数目增多,最终导致节间缩短,植株矮化。
At the same time, the changes in mechanical strength cf compact bone tissue and the mechanical problem in clinical orthopaedics have found. 同时,对骨密质组织的力学强度变化和临床矫形中的力学问题进行了研究。
Objective To perform a mechanical analysis of the tissue engineering scaffolds by the tensegrity modules. 目的探讨Tensegrity模式描述天然骨衍生材料的结构并进行力学性能分析。
Tissue sclerosis and extracellular matrix ( ECM) protein deposition are main feature of liver fibrosis. Mechanical rigidity of the tissue has great impact on the biological behavior of cells in the liver. 肝纤维病变的主要特征是胞外基质蛋白大量堆积,组织进行性硬化,其中环境物理硬度的变化对肝内细胞的生物学行为有着巨大的影响。
The results of dynamic mechanical properties show that the developed testing device is suitable for measuring mechanical properties of bone tissue engineering. 材料动态力学性能实验结果表明所研制的测试装置适合组织工程骨力学性能的测试。
PLLA and PLLA/ n-HA composites in PBS bio-degradation process in the description of PLLA/ n-HA material implanted early in the degradation of small, compared with pure PLLA material to keep more good initial mechanical strength for bone Tissue growth to provide a good supporting role. PLLA和PLLA/n-HA生物复合材料在PBS中的降解过程说明PLLA/n-HA材料在植入初期降解较小,与纯PLLA材料相比更能保持较好的初始力学强度,为骨组织生长提供良好的支撑作用。
Because of the complex structure and mechanical properties of soft tissue, the needle biopsy procedures have small tissue sampling and low accuracy. 当前,临床上穿刺活检的组织的主要问题是组织取样量较少,取样准确性不高。其主要因为软组织复杂的结构和特性对穿刺针取样过程产生干扰。