硬

Hydrogen bonding in hard segment domains of segmented polyester polyurethaneurea based on 4,4'-diphenylmethane diisocyanate, ethylene diamine and polybutylene adipate(M. W. 1975 and M. W. 1228) was studied by means of IR spectroscopy.

用红外光谱法对基於4，4'-二苯基甲烷二异氰酸酯、乙二胺和聚己二酸丁二醇酯（分子量分别为1975和1228）的两系列嵌段聚酯型聚脲氨酯硬段微区中的氢键化进行了研究。

A series of thermoplastic polyurethane elastomers with different fraction of hard segments based on poly (ethylene-propylene adipate)/ethylene oxide/tetrahydrofurancopolyether as soft segments were synthesized.

合成了以PET/PEPA为软段的不同硬段含量的热塑性聚氨酯弹性体，利用凝胶渗透色谱、傅立叶变换红外对其进行了表征，并测试了其力学性能。

22 patients scheduled for laparoscopic adrenalectomy for pheochromocytoma were allocated into epidural plus general anesthesia group and general anesthesia group.

22例腹腔镜嗜铬细胞瘤切除术患者随机分为全麻加硬膜外组和全麻组。

From the aeolotropy of hard rock of tunnel engineering region, the stress distribution of several kinds of fault to the water gushing of tunnel, the type of geology disaster involved in macrocharacter, main control factors, disaster mechanism and control strategy in tunnel excavating are studied systematically in this thesis. The purpose is to establish a theory and technology method for forecast and decrease disaster in tunnel excavating.

本文以硬岩隧道开挖工程区域岩体的各向异性研究为起点，从不同类型断层为主要构造形迹的应力分布特征出发，并结合隧道地下涌水灾害，系统研究隧道开挖的地质灾害类型，以宏观表象、主控因素、灾害机制及防治对策为主要研究内容，全面深入研究旨在为隧道开挖期间防灾、减灾提供理论基础与技术路线。

Aerogel is very solid and feels like hard styrofoam to the touch .

气凝胶是很坚固的及触觉上感觉象硬的聚苯乙烯泡沫塑料。

The total overall appearance of the Affenpinscher is more important than any individual characteristic. He is described as having a neat but shaggy appearance.

艾芬品的整体特征要比某单一的特点要重要的多，它的整体外观应该是整洁而有很多粗硬的毛。

I would be firm less often,and affirm much more.

我会更多的肯定他们，而不是对他们来硬的。

If you visit the house and fail to inquire what that accumulation is, the conversation will be brought around to it by that aforetime legislator

如果你去他家，忘了问那是一件什么珍藏品，那位前任的立法议员就会硬把话题扯到它上面。

The most severely damaged will be the Canadian Low Arctic Tundra; the wooded UralMountain taiga in Russia; the central Andean dry puna in Chile, Argentina and Bolivia; the Daurian steppe of Mongolia; the savannah of north-east India and Nepal; and the fynbos of southern Afric a .

受害最严重的将是加拿大低北极苔原，俄罗斯树木繁茂的乌拉尔山针叶林，智利、阿根廷和波利维亚安第斯山脉中部的干冷高原，蒙古的干草原，印度和尼泊尔两国东北部的热带稀树草原，非洲南部的高山硬叶灌木群落。

The super light water repellent hard afwillite type calcium silicate thermal insulation product is successfully made from quart powder and lime as raw materials, alkali-resistant glass fiber, few of paper fiber and additives by means of dynamic water heating synthesis at pilot plant.

利用石英粉、石灰为主要原料，掺加耐碱玻纤及少量纸纤维，添加少量外加剂，采用动态水热合成法，中试生产成功超轻憎水硬硅钙石型硅酸钙绝热制品。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。