查询词典 mast

The steel self-supporting mast with the merits of environmental protection, easy decoration, small occupation, high safety factor, and high cost performance, has replaced the concrete mast and the angle iron push brace mast because of the urban renewal, the environment protection, the lack of arable land, the popularization of agricultural mechanization, the acid rain, and so on.

城市改造及环境保护、土地资源乏匮、农业机械化推广等诸多外部条件也迫使受酸雨而易老化、表面装饰性能差的混凝土杆及占用宝贵的土地资源多，妨碍农业机械化使用的角铁衍行架杆塔朝着有利环保、易装饰美化、占地少、安全系数高、性能价格比高的钢制自立杆更新换代。

Results: The numbers of Bombesin positive pulmonary cells, the lamina propria S-l00 protein, neuron-specific enolase positive nerve fibers, IgE positive cells, mast cells and IgE positive mast cells significantly increased in bronchiectasis. The changes of pulmonary endocrine cells, nerve fibers and IgE positive cells were more significantly in hyperplastic BALT areas. The S-100 and NSE were found in lymphoid tissue and BALT. A close contact was found between mast cells and the S-100 positive nerve fibers. An IgE positive outer zone was found on MC surface. Mast cells and IgE positive cells were seen in the bronchial epithelium and alveolar septa.

结果：支气管扩张症中，支气管上皮蛙皮素阳性细胞、固有膜S-100蛋白和神经特异性烯醇化酶阳性神经纤维、IgE阳性细胞、MC和IgE阳性MC均显著增多，且在支气管相关淋巴组织增生的区域上述肺内分泌细胞、神经纤维和IgE阳性细胞增多尤为显著，S-100蛋白和NSE阳性神经纤维分布於弥散淋巴组织和BALT中，MC与S-100蛋白阳性神经纤维紧密接触，MC表面有IgE阳性环状带，MC和IgE阳性细胞出现在支气管上皮间和肺泡壁。

And then, considering the size and trait of MAST, the reasonable cut-off position on the car body and the fixing method of the forebody on the simulation table were decided in line with the car body's static and dynamic properties.

然后根据车身的静、动态力学特性并结合MAST多轴模拟试验台的尺寸，确定了车头在整个车身上的合理截断部位以及在试验台架上的固定方案。

The middling or high signal was showed for cartilage in T2WI. The hoariness signal was showed for cartilage in T2*/C/RF-FAST/VOL and T2*/T /FE/MTC/MAST.

软骨对脂肪CNR"极佳"的有T1WI、T2*/C/RF-FAST/VOL、T2*/T/FE/MTC/MAST和T1/C/ FSE /C+；"良好"的有T2WI；"一般"的有STIR / T/FSE/PSAT。

Enlargement of the intramammary lymph nodes with prominent MAST cells was observed in NMU-treated COP rats, but not in NMU-treated BUF rats.

NMU处理的COP大鼠乳腺组织的增大淋巴结中有大量MAST细胞聚集，BUF组无MAST细胞的聚集。

Unique control system: main rotor control from floor-mounted stick and collective through control mixer at base of main mast, then through push tubes in main mast to base of swashplate; last-mentioned is contained within mast and supported by a pushrod in rotor shaft.

独特的控制系统：主要由地面控制转子式棒，并通过控制混音集体在主桅杆的基础，然后通过在主桅杆推管，基十字盘

Around the topic, the weak points of the traditional platform is analyzed first, such as complex arithmetic, long calculating time, high needs of hardware and so on. A real time control method based on virtual simulation is suggested to separate the complex positive/negative calculation of space kinematic and real time motion control. And a"3-2-1"type 6DOF platform is designed with the reference of the MAST (Multi-Axis Shaking Table) of MTS. The kinematic and dynamic calculation of the platform is finished. According to the calculating result, the control system of the"3-2-1"type 6DOF platform including 6 linear servo electric cylinders is designed and constructed. And the professional software Pro/E is used to do the 3D model and 6DOF motion simulation of the platform. The motion curves of the pistons of the 6 cylinders are exported with the simulation. At last the control software is programmed with Microsoft Visual Basic 6.0 and realizes the functions with the commands of GE series motion controllers. When loading the motion curves exported with the simulation, every cylinder can follow the curve very well and the platform realizes the hoped 6DOF motion.

围绕选题，本论文首先分析了传统的运动平台控制方法所存在的算法复杂、解算耗时长、硬件需求高的缺点，提出了一种基于虚拟仿真的实时控制方法，该方法将复杂的空间运动学正、反解与实时运动控制相分离；之后，参考MTS公司的MAST多轴振动平台，设计了新型的"3-2-1"型六自由度平台，并进行了运动学及动力学计算，根据相关计算结果，设计与搭建了包括驱动6个直线伺服电动缸在内的"3-2-1"型六自由度平台控制系统；接着，使用Pro/E对"3-2-1"型六自由度平台进行了三维建模和六自由度运动学仿真，并由仿真直接获得了6个直线伺服电动缸的活塞杆的相应运动曲线；最后使用Microsoft Visual Basic 6.0编写了控制软件界面，通过调用GE系列运动控制卡的各种命令函数实现了控制系统的相关功能，而当加载仿真得到的各缸运动曲线后，每缸均能很好地跟踪输入曲线，使平台实现了期望的多自由度运动。

In this study, we make a systematic observation on localazation of mast cells in rabbit by toluidine blue staining method.

本研究采用甲苯胺蓝染色法和免疫组织化学方法，对肥大细胞(Mast cell，MC)在家兔体内的分布定位进行了系统观察。

Results: Mast cells in uterus were mainly distributed in the myometrium, only a few in the endometrium. After ovum implantation ,the mast cells were comparatively less at the place of implantation. The number of mast cells of early and late pregnancy(1～5 dyas, 15～19 dyas) was apparently higher than that during middle pregnancy(P＜0. 05). Stained by alcian blue-safranin, both red and reddish blue mast cells decreased gradually in number during pregnancy, but the proportion of blue mast cells was increased. Critical electrolyte concentration of mast cells decreased as time went on.

结果：(1)肥大细胞主要分布于子宫肌层，子宫内膜较少，且胚泡植人部位的肥大细胞明显少于非植入部位；(2)妊娠早期(孕1～5d)和妊娠后期(孕15～19d)肥大细胞数显著多于妊娠中期(P＜0.05)；(3)Alcian蓝藏红组化染色后，可见妊娠过程中红色和红蓝混合色肥大细胞逐渐减少；蓝色肥大细胞所占比例逐渐增大，孕9～19d肥大细胞几乎全部为蓝色；(4)肥大细胞临界电解质浓度值随妊娠时间的推移而变小。

The first book I ever bought with my own money was a Modern Library edition of Richard Henry Dana's Two Years before the Mast.

我自己花钱买的第一本书是现代图书馆版的& Two years before the mast &， Richard Henry Dana 著。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。