The foreign minister of Russia, a key Assad ally, said Western powers "cannot produce any evidence" that the Syrian government committed the alleged chemical attack. 叙利亚政府的重要盟友俄罗斯的外长说,西方国家没有证据显示叙利亚政府动用了化学武器。
The wall must be protected against chemical attack from highly corrosive components of the combusting gases. 必须把室壁保护起来以防止来自燃气的高度腐蚀性成分的化学侵蚀。
Corrosion fatigue. A type of failure that results from the simultaneous action of a cyclic stress and chemical attack. 由循环应力和化学腐蚀同时作用导致的一类失效。
A second concern, officials say, involves decontamination facilities, a potentially vital aspect of any response to a biological or chemical attack. 其二是消毒设施,这势必是应对生物或化学袭击的至关重要的一个方面。
Glass fiber reinforced polymer ( GFRP) is impervious to chloride ion and low pH chemical attack, and its tensile strength is much larger than steel while with lighter weight. 玻璃纤维增强塑料具有轻质、高强、耐腐蚀等优良特性,是代替钢筋制作锚杆的理想材料之一。
The chemical attack of sulfate on the concrete was studied by AC impedance technique. 应用交流阻抗谱方法,研究了硫酸盐对混凝土的化学侵蚀。
Pipes made of glass-reinforced thermosetting plastics ( grp)-determination of the resistance to chemical attack for the inside of a section in a deflected condition 玻璃增强热固性塑料(GRP)管-在偏转条件下由内部引发的化学腐蚀抗性的测定
It offers high temperature performance, is inert to chemical attack and protects against corrosion, making it ideal for running and storing casing, tubing and line pipe. "2000"? 它具有耐高温、惰性、抗化学腐蚀功能,这些特性使其成为套管、油管和管线运输和存储中理想的保护产品。
It is indispensable in high-temperature laboratory work for electrodes, dishes, and electrical contacts that resist chemical attack even when very hot. 在高温实验室的工作中它有不可取代的地位,用作电极、容器以及电接触,即使在非常热的情况下仍然能抗化学作用。
Polyesters are strong, colourfast, and resistant to corrosion and chemical attack but tend to build up a static electric charge. 聚酯很坚韧、不褪色、耐腐蚀和抗化学作用,但容易积累静电。
It was the world's first major chemical attack using sarin, a nerve agent which attacks the respiratory system. 这是世界上首宗使用沙林神经毒气施袭的重大化学武器事件。
The results show that F type rapid road patching material has the merits such as better fluidity, strong bonding power with the matrix, high strength, low coefficient of fragility, fine impermeability, good frost resistance and strong resistance to chemical attack. 结果表明,F型道路快速修补材料具有较好的流动度,与基体粘结能力强、强度高,脆度系数低,抗渗、抗冻性佳,抗化学侵蚀能力强等优点。
Chemical Attack Damage of Reinforced Concrete Structure in Metallurgical Workshop 冶金车间钢混结构的化学侵蚀性破坏
AC Impedance Study of the Chemical Attack of Sulfate on the Concrete 硫酸盐对混凝土侵蚀的交流阻抗研究
Strength Development of Concrete Subjected to Combined Actions of Freezing-thawing Cycles and Chemical Attack 混凝土在化学腐蚀和冻融循环共同作用下的强度变化
They are outstanding for their hardness, density and resistance to thermal shock, wear, chemical attack and self-lubricating property. 它具有硬度高、密度高、抗热振性、耐磨性抗化学腐蚀性和自润滑性好等特点。
Study on the Resistance to Chemical Attack of Neutral Sodium salt Alkali Activated Slag ( NSAAS) Cement 中性钠盐碱矿渣水泥抗化学侵蚀性能研究
The change range of index of concrete in sodium sulfate solution is more than that in magnesium sulfate solution at the late stage of the attack process due to the interaction of chemical attack and physical action after a period of dry-wet cycle. 在腐蚀后期硫酸钠溶液中混凝土各性能指标的变化幅度比在硫酸镁溶液中的大,这是经过一段时间的干湿循环之后化学侵蚀与物理作用即盐的结晶相互作用的结果。
Test results on resistance to chemical attack indicate that NASC possesses more excellent anti-chemical attacking property than that of Ordinary Portland Cement. 耐化学腐蚀试验表明新型碱矿渣水泥具有比普通硅酸盐水泥更优的抗化学侵蚀性;
Au migrates in stream sediment in form of chemical attack, the removing distance is usually 800~ 1 600 m. Au在水系沉积物中以化学作用形式搬运迁移,一般距离为800~1600m。
The durability indexes such as impermeability, freeze-thaw cycling resistance, chemical attack resistance, carbonation resistance and Cl~-impermeability etc. of UAC all exceed that of normal concrete with the same strength grade. 水下抗分散混凝土的抗渗性、抗冻性、抗化学侵蚀性、抗碳化性和抗Cl-渗透性均远优于同强度等级的普通混凝土。
In addition the paper points out that FKJ binder has good durability and fine resistance to carbonation, frost and chemical attack, etc, therefore has bright prospects in application. 论文还阐述了FKJ胶结料有良好的耐久性,即有良好的抗碳化性,抗冻性,耐化学侵蚀性等,故它有广阔的应用前景。
Study on Urgent Disposition of Biological Chemical Attack 生化案件紧急处置研究
Mechanism of chemical attack of the deicer on concrete 除冰盐对混凝土化学侵蚀机理研究
The main considerations affecting concrete structure durability are chemical attack, carbonation corrosion, reinforcement corrosion, alternation of freezing and thawing and alkali aggregate corrosion etc. 化学侵蚀、碳化腐蚀、钢筋锈蚀、冻融循环、碱集料腐蚀等是影响混凝土耐久性的常见破坏因素。
The resistance to chemical attack of NSAAS cement in acid solution, sulfate solution, sea water was studied. 研究了中性钠盐碱矿渣水泥在酸性溶液、硫酸盐溶液和海水中的抗化学侵蚀性能。
Since it has Sood characteristics, such as strong frost resistance, strong carbonation resistance, good resistance to chemical attack and good durability, therefore it really possesses practical value and certain development prospect. 由于该混凝土有良好的性能,如抗冻性、抗碳化能力强,耐化学侵蚀性和耐久性好,因此,它确有实用价值和一定的发展前途。
Some hydro-junction of concrete project not only destroyed by chemical attack but aslo suffered the fator of the freezing and thawing cycle in part of northwest of our country. The situation of destruction in concrete is very seriously. 在我国西北部分地区,由于气候恶劣,一些大型混凝土水利枢纽工程不但遭受硫酸盐化学侵蚀的的破坏,并且长期经受冻融循环作用的迫害,混凝土材料破坏情况十分严重。
Compared with other mineral, pyrophyllite showed a lot of advantages such as resistance to chemical attack, excellent insulating characteristic, lubrication performance and low price, and drawing more and more attention by polymer industry. 与其他矿物相比较,叶蜡石具有耐化学腐蚀,绝缘性和润滑性能优良以及价格低廉,开始受到高分子行业的关注。