• 甲板机舱棚围梯道环围等处安装闭门防火门。

    Doors of engine casing and stair casing on main deck are of fire doors with self-closing device.

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  • 研究载荷作用裂纹应力强度因子

    We study stress intensity factor of thick wall cylinder with cracks under dynamic load.

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  • 结果显示外侧识别中央标志,若出现间回则更易识别中央沟;

    The results showed that marginal ramus of cingulate sulcus and posterior ascending ramus of lateral sulcus are the landmarks for recognition of central sulcus.

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  • 应用移植者13,绦纶或绦纶钢丝复合体9例,有机玻璃1人工置换3例。

    Pedicled muscle flaps transplantation were used in 13 cases, compound of terylene and steel wire 9 cases, organic glass 1case, prosthetic chest wall 3 cases.

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  • 本文探讨了泥浆工作面预注浆、充填注浆、冒充填注浆离层充填注浆中的应用

    In this paper the authors approach the application of drilling mud to face pre-injection, backwall infilling injcetion, roof fall space infilling injection and split zone infilling injcetion.

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  • 通过裂纹厚筒试件外应变测定,有限元方法计算冲击下动应变的变化规律,求出了实验中冲击内压。

    By measuring the dynamic strain of the cylinder and calculating the dynamic strain by finite element method, the impact internal pressure of experiment is determined.

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  • 方法:近年接受采用同种血管片作前心房心室连接术的7患儿为革新组;

    Methods:There were 7 patients who had been performed a kind of right atrium to right ventricle connection with the flap of cryopreserved valved homopulmonary artery.

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  • 根据形态以及半岛髓室底之间本质融合位置重建图像分为

    The reconstructed images were classified into four types based on the shape of the pulp chamber floor and the location of the dentin fusion between the peninsular-like floor and the pulp chamber wall.

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  • 冰箱式冷凝器传热问题属于典型离散热源均匀板自然对流传热问题。

    The wrapped-type condenser of a refrigerator can be considered as a typical vertical plate with discrete heat sources and uneven temperature distribution when the pipe temperatures are known.

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  • 优化了300MW汽轮机调节采用了子午面端收缩的弯曲栅,动叶为销钉三联叶片,再铆接围形成圈联结叶片。

    The control stage of improved 300MW steam turbine used bowed static blade cascades with convergent tip endwall and integral shroud triple pin rotating blades.

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  • 操作条件变化原油严重造成常压塔顶部腐蚀穿孔。

    Owing to the change of operating condition and serious water bearing in crude oil, the top of atmospheric tower is corroded and boring.

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  • 预防弯曲措施破碎裂缝钻进技术孔固堵漏技术。

    The paper also presents measures for preventing drilling hole curve, drilling technique in broken zone and fissure zone and technique of sealing hole and pluging loophole.

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  • 分析了泉露天煤矿地质水文状况提出了该矿f 4断层回采方案

    We have analysed the geological hydrology state of Lingquan open-pit coal mine, and proposed the coal extraction scheme of this mine F4 shear-zone coal wall.

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  • 洞穴构造断裂、隧道衬砌后注浆

    Large caves, tectonic fault zone, lining the tunnel wall grouting.

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  • 试验结果表明自增强处理提高裂纹厚圆筒焊缝疲劳寿命。

    The experimental results indicate that autofrettage can increase the fatigue lives of the cracked thick-walled cylinders and welded seams.

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  • 本文自增强非自增强裂纹圆筒疲劳寿命提出计算方法,其计算结果试验相符

    The authors propose a fatigue life calculation for autofrettaged and nonautofrettaged cracked thick-walled cylinders. This calculation is in agreement with the experimental results.

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  • 并且醋酸处理后,细胞和螺旋形叶绿体处亦绿色荧光

    After treated by acetic acid, in the cells we do not find green fluorescence.

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  • 甲壳素纤维:甲壳素甲壳质、几质、蛋白是从甲壳动物外壳真菌藻类低等植物细胞中提取一种正电荷的动物纤维素

    Chitin fiber: chitin, also known as chitin, chitin, shell protein from crustacean shells and fungi, algae and other lower plants of the cell wall extract of a positively charged cellulose animals.

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  • 方法:(1重建上颌骨:采用鼻中隔向下翻折吻合

    Method: (1)Reconstruction of the basis wall of the maxilla:anastomosed the nasal septum turned downwards with pedunculus with the cheek flap;

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  • 产品主要有干钉、纤维板钉、钻尾钉、链螺丝。产品远销日本俄罗斯欧美一些国家,且得到客户的广泛认可

    Our products are exported to Japan, Russia, Europe, United States, and other countries which gained the recognition from all clients.

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  • 常规压裂时,压裂裂缝污染越严重,裂缝面污染渗透率越低水力压裂能获得的增产倍比就越

    For hydraulic fracturing, the damage to fracture surface is ever severe, the permeability of damage zone is ever low, and the production response of hydraulic fracturing is ever junior;

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  • 优选双层具有螺纹以及棘齿指状物的裙部。

    The closure preferably is a dual-wall closure having an internal skirt with the internal thread and an external skirt with the ratchet fingers.

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  • 图中可见右室游离缘心肌内信号脂肪

    It revealed a band of fat with a high signal intensity in the myocardium of the anterior free wall of the right ventricle.

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  • 图中可见右室游离缘心肌内信号脂肪

    It revealed a band of fat with a high signal intensity in the myocardium of the anterior free wall of the right ventricle.

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