查询词典 seal

British director Flaherty in 1920 – 1922, filming the movie "Nanook", there is a Nanook seal hunting scene is shot with long lenses.

英国导演弗拉哈迪在1920——1922年拍摄的影片《纳努克》中，有一个纳努克人狩猎海豹的场面，就是用长镜头拍摄的。

The high purity of 2-mercapto-β-naphthothiazole was obtained with α-naphthylamine as raw material via reaction of seal glass tube, alkaline extraction, vapor distillation, acidification of acetic acid and ethanol recrystallization.

以α-萘胺为起始原料，通过封管反应、碱提取、水蒸气蒸馏、乙酸酸化和乙醇重结晶，取得了纯度较高的2-巯基－β-萘并噻唑。

The microstructure of interface of high pressure natrium lamp with differentlifetime has been studied by means of TEM, and the influence of interface struc-ture on the quality of Al_2O_3/Nb seal has been revealed.

并利用透射电子显微镜，研究了不同寿命的高压钠灯中玻璃焊料与Nb界面的显微组织结构，揭示了界面结构对Al_2O_3-Nb封接质量的影响。

Another therapy that is currently undergoing testing is the use of polyethylene glycol to seal and repair damaged spinal cord nerve cells.

另一种治疗方法，目前正在测试是聚乙二醇的密封和修复受损的脊髓神经细胞利用。

The piston seal is a specially treated carboxilated nitrile designed for use in no lube added service.

活塞密封是一种特殊处理carboxilated腈在没有润滑油的使用而设计增值服务。

The compression set of nitrile rubber seal components are bad which is vulcanized with systems based on sulfur.

在橡胶密封件硫化体系中，由于硫磺硫化体系压缩永久变形性能比较差，而最常用的过氧化物交联剂过氧化二异丙苯的硫化胶容易产生刺鼻的异味，从而限制了它在高档制品中的用途。

Standard versions feature a nitrile double-lip seal and standard grease.

标准版本采用腈双密封唇和标准油脂。

Ball. valve. non-return valve, bellows seal valve, etc......

球阀。闸阀。止回阀、波纹管密封截止阀等。。。。。

Based on this theory, a new fluid excitation nonlinear vibration model of rotor seal system was set up.

传统密封动态特性八参数模型是以线性系统稳定性为基础的，Muszynska模型在一定程度上发展了八参数模型，反映了流体激振力的某些非线性特性，但在描述转子密封系统大涡动状态下的非线性特点时，就有很大的局限性。

Soft nose foam and adjustable nosepiece ensures custom shape and increase the workers' comfort and acceptance Excellent water repellent and air permeability Fringe seal avoids open layer around the edges Maintenance/cleaning free, convenient to use Recommended applications: Farm, building, Mining, textile, Grinding, Pharmacy, hospitals, laboratories, Hardware, working with fiberglass, cement.

鼻子软泡沫和可调消防水枪，确保自定义形状，提高工人的舒适和验收优良的防水和透气边缘密封避免公开在边缘层维修/清洁免费，使用方便推荐应用：农业，建筑，采矿，纺织，研磨，药房，医院，实验室，硬件，与玻璃纤维，水泥。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了