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Just under this background, studying on the flight mechanism of flapping-wing MAV and sample fabrication from the bionics are conducted in this dissertation. The kinematics equations of insect wings can be acquired by the observation and measurement on the natural insect in researching paper. The geometry model of insect is established by UG technology. The three dimensional grid during the insect moving in the flow field is achieved which adopted grid generation method. The characteristic of lift and drag are attained by simulation the surround flow field during the locomotion of wings, and the flight mechanism of insect is discussed. Based on this study, the physical flapping-wing MAV is fabricated by the acquirable materials and parts of apparatus in existence.

正是在这一背景下,本文从仿生的角度来研究微型飞行器的飞行机理与样机制作;通过查阅文献中对自然界中昆虫翅膀运动的观察与测量,获取了昆虫翅膀的运动方程;采用UG建模技术,建立昆虫的几何模型;采用网格划分方法,获取昆虫在流场运动时的三维网格;运用CFD方法模拟翅膀运动时周围的流场,获取昆虫运动时的升阻力特性,进而来研究昆虫的飞行机理;在此基础上,通过现有可用的材料加工制作仿生微型飞行器。

Objective To observe the pathological changes and investigate the hepatocyte apoptosis relating with CYP2E1 in alcoholic liver diseaseof rat. Method the Model of Alcoholic liver Disease: Rats were randomly divided into model group(n=37)and control group(n=33). The dose of 40%ethanol was administerd at 8g/kg body weight by garage twice daily for 8 weeks in model group, and control group was received isovolume saline by gavage. End of 8th week, the activities of serum ALT and AST were detect by autobiochemistry instrument. The pathological changes of liver was observed under light microscope after HE staining, hepatocyte apoptosis was detected by the TUNEL method.

目的: 研究酒精性肝病细胞凋亡程度与细胞色素P4502E1表达的关系方法:用酒精灌胃法制备大鼠酒精性肝病模型,将70只wistar大鼠随机分为正常对照组(33只)和酒精灌胃组(37只),连续灌胃8周后病理切片观察细胞凋亡程度,干化学法测定ALT、AST的含量变化,用PCR法测定细胞色素P450 2E1的表达变化。

Apical aneurysms varied considerably in size (maximum dimension, 10 to 66 mm), were dyskinetic/akinetic with thin rims, and were associated with transmural myocardial scarring identified by late gadolinium enhancement cardiovascular magnetic resonance. Apical aneurysms were recognized by echocardiography in only 16 of 28 patients (57%) but by cardiovascular magnetic resonance in the 12 patients undetected by echocardiography.

心尖部室壁瘤大小不一(最大直径:10-66mm),有一圈活动差/不能运动的边缘,以及后来被增强心血管核磁造影证实有透壁性心肌疤痕。28名患者中仅有16(57%)人为彩超确诊,彩超漏诊的12人由心脏核磁共振确诊。

ABSTRACT] Objective To study the pharmacological effects of oral medical ice and to provide for its evidence for clinical application. Methods The anti-inflammatory effect of OMI was determined on three inflammatory models: swelling of mice ear induced by dimethylbenzene, hind paw edema and back granuloma caused by hypodermic injection of agar in rats. The an- algesic action of OMI was studied by observing the mice's reaction to the heat simulation. The effect of OMI on bleeding time was tested by tail-cutting method.

摘要] 目的探讨口腔医用冰的药理作用,临床用药提供依据方法制备二甲苯致小鼠耳部炎症、琼脂致鼠足肿胀急性炎症模型,大鼠琼脂肉芽肿慢性炎症模型,观察口冰对炎症的作用;采用热板法进行小鼠热刺激性疼痛试验,断尾法测定小鼠出血时间,观察口冰对小鼠疼痛及出血时间的影响。

Methods the anti-inflammatory effect of omi was determined on three inflammatory models: swelling of mice ear induced by dimethylbenzene, hind paw edema and back granuloma caused by hypodermic injection of agar in rats. the an- algesic action of omi was studied by observing the mice's reaction to the heat simulation. the effect of omi on bleeding time was tested by tail-cutting method.

制备二甲苯致小鼠耳部炎症、琼脂致大鼠足肿胀急性炎症模型,大鼠琼脂肉芽肿慢性炎症模型,观察口冰对炎症的作用;采用热板法进行小鼠热刺激性疼痛试验,断尾法测定小鼠出血时间,观察口冰对小鼠疼痛及出血时间的影响。

Titanium plate first was cleaned by glow Discharge using argon plasma to eliminate surface contaminants and to produce a consistent and reproducible titanium oxide surface layer. Then an intermediary allylamine deposition was covalently linked to the oxide layer by glow discharge, followed by the covalent binding of albumin to the free terminal NH2 groups using glutaraldehyde as a coupling agent. Surface morphologies were observed by scanning electron microscopy and atomic force microscopy.

样本以扫描式电子显微镜及原子力显微镜﹙AFM﹚观察表面形态变化,以能量分散光谱仪进行表面元素变化之定性分析,使用X光光电子能谱仪检测表面化学键结与元素变化作定性分析与半定量分析,并以胶样金免疫标示法配合使用场发射枪扫描式电子显微镜(Field Emission Scanning Electron Microscope, FEG SEM),观察钛金属表面白蛋白连接情形作定性分析与定量分析。

The results shown that:(1) Bufo raddei Strauch tadpole was capable of lens regeneration, which originated from the epithelial cells at dorsal iris margin by depigmentation.(2) Depigmentation of Bufo raddei Strauch during lens regeneration was by two methods: First, pigment granules initially dispersed all over the cytoplasm were moved towards the periphery of the cell, and then were directly taken up by the amoeboid cells. Second, pigment granules in a cell were first crowded in a mass, surrounded by a membranous structure in the cytoplasm, which were eventually discharged as a mass from the cell.

结果表明:花背蟾蜍蝌蚪(1)具有晶状体再生的能力,其晶状体的再生来源于虹膜背缘的上皮细胞;(2)虹膜背缘去色素是转分化的前提,主要有两种方式:一种也是最主要的方式是在晶状体被摘除后虹膜外侧产生巨噬细胞,巨噬细胞吞噬虹膜色素上皮细胞中的色素颗粒;另一种方式是虹膜色素上皮细胞自身释放色素颗粒;(3)电镜观察发现虹膜色素上皮细胞转分化过程中线粒体有明显变化,核糖体增多,粗面内质网增多,晶状体纤维分化过程中细胞核逐渐凝聚。

The pcDNA〓-apoE〓 plasmid was transfected to SK-N-SH Neuroblastoma cell by liposome. It could be screened by G〓. The immunohistochemical assay was shown that neuroblastoma cell transfected by pcDNA〓-apoE〓 expressed the recombinant apoE protein. The intracellular expressed recombinant protein could inhibit the death of neuroblastoma cell induced by beta amyloidal peptides 25-35 fragment.

用pcDNA〓—apoE〓真核表达载体与脂质体共转染神经成纤维胶质瘤细胞,用G〓选择压力筛选,细胞免疫荧光检测表明,pcDNA〓—apoE〓转染的神经成纤维胶质瘤细胞表达了apoE〓重组蛋白,这种内源性的apoE〓重组蛋白对25μM Aβ25—35多肽诱导的神经成纤维胶质瘤细胞的死亡具有拮抗作用。

DCs acquired by our reformed methods express both CD83 and CD 14 molecules highly, and have a higher density than other domestic reports. The higher TNF in DCs culture medium of HC patient suggests DCs in patient still have antigen presenting ability and by optimization the culture medium would improve its presenting ability and have a potential value in design and application individual vaccine. Although antigens pulsed DCs have a decrescent antigen presenting ability but BCG HSP70 could induce its mature and improve its presenting ability. Suggests BCG HSP70 would be a useful mature inducer. Lymphocytes primed by DCs based HC vaccine have the specific cytotoxicity against HCC lines. The CTL after freezing and anabiotic could prophylaxis and therapy HC xenograft on nude mouse. The results also suggests that CD4〓 lymphocytes play a important role in HC with a good differentiation and would be useful in treatment this kind of HC. After being activated by Peptide LLNQHACAV of hAFP and apoptotic HCCs pulsed DCs respectively, the culture medium of activated lymphocytes both contains a high level Th1 cytokines IL-12 and TNF. Primed lymphocytes appeared a characteristic of NK cells. DCs not only inhibited the growth of human HCC and other cancer cells in vitro but also prevented the growth of HC xenograft on nude mouse in vivo. There are at least three kinds of mechanism playing important role in DC based vaccine ,there are inhibition of DCs, HC specific CTL and cytokines pathway.

诱导出的DC共同表达CD83和CD14分子,CD83分子表达明显高于国内报道;肝癌患者DC培养上清中TNF水平高于健康人,提示肝癌患者DC仍具一定的抗原呈递能力,适当调控可使其行使APC功能,以期在肝癌个体化疫苗中发挥作用;DC负载肝癌可溶性抗原后,抗原呈递能力降低,BCG HSP70可促进DC成熟,增加其抗原呈递能力,预示BCG HSP70有可能成为促进DC活化和成熟的另一重要分子;肝癌DC疫苗在体外诱导肝癌特异性淋巴细胞,活化的淋巴细胞在体外对肝癌细胞的杀伤以特异性CTL为主,同时分泌较高水平Th1型细胞因子IL-12和TNF,并抑制4种肝癌细胞生长;冷冻复苏后的肝癌特异性淋巴细胞可以预防和抑制人肝癌裸鼠皮下移植瘤,提示DC负载肝癌可溶性抗原后诱发的MHC-Ⅱ类限制性CD4〓T细胞有可能在分化程度高的肝癌治疗中发挥作用;用DC和HLA-A2〓DC分别负载凋亡肝癌细胞和hAFP218-226位LLNQHACAV HLA-A2限制性九肽,在体外诱导肝癌特异性淋巴细胞,活化后的CTL细胞分泌较高水平的Th1型细胞因子IL-12和TNF,并具较强杀伤活性,此CTL同时具备NK细胞特征;DC对肿瘤细胞的抑制作用可能是通过吞噬实现的,Fas-L在DC抑制中也起一定作用;DC对人肝癌裸鼠皮下移植瘤的抑制率为97%;在肝癌DC疫苗的作用中,至少联合3种以上机制,即通过DC的直接作用、肝癌特异性CTL和细胞因子途径直接或间接地杀伤和抑制肝癌细胞。

The types of the images of women created by ShiZhecun contains the type of chastity imagined by man"s personally thought, the type of tradition imagined by men"s collective unconscious, the type of deregulation in a androcentric society, the type of stunner which were pursued by men and defeated them, the type of which came from mens anxiety and fear.

这些女性形象主要包含了以下几个类型:男性个人化想象中的贞节女性、男权社会集体性规约下的传统女性、男权社会中的违规女性、既是男性的欲望追逐对象又成为男性迷失标记的尤物女性以及男性焦虑恐惧心理下所产生的妖魔女性。

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相关中文对照歌词
In The Sweet By And By
By Heart, By Soul
By & By
In The Sweet By And By
By & By
Piece By Piece, Frame By Frame
Sweet By And By
In The Sweet By And By
By And By
I Want To Be Loved By You (But Only By You)
推荐网络例句

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。