Protective helmets must be worn on site.

在工地必须戴防护帽。

We feel safe with a protective device in the house.

我们因为家里有了防护装置而感到安全。

Fencers must wear protective clothing including a padded jacket, a wiremesh mask and a glove.

击剑运动员必须佩带护具，包括护胸，面罩和手套。

It is a strange mix of protective sororal sympathy and smugness.

这是一种姐妹间的同情与骄矜的奇特混合体。

Conclusion TP played a protective role in quartz induced pneumonocyte injury and inflammatory response.

结论茶多酚具有抗石英所致细胞损伤及性反应的作用。

British industry was sheltered from foreign competition by protective tariffs.

保护性关税使英国工业免受国际竞争影响。

Cystamine in this way produces similar protective measure to that of the traditional method.

此法同传统方法所测得胱胺的防护效果相近似。

This machine uses aquo-slovable environmental protective glue and BOPP film.

水溶性复膜机使用水溶洞性环保胶水，BOPP薄膜拜为材料。

The machine uses aquo-solvable environmental protective glue and BOPP film.

该机使用水溶性环保胶水，BOPP薄膜为材料。

The protective coating on aluminium foils packaging for medicine was formulated with thermosetting acrylic resin,pyroxylin.

采用热固性丙烯酸树脂、硝基纤维等制成药品包装用铝箔保护涂料。

Objective: To investigate the changes of glutamate (Glu) and gamma-amino butyric acid (GABA) contents in rat brain induced by chronic ethanol treatment and study the protective effects of piracetam.

采用高效液相色谱电化学检测法分别测定大鼠小脑、大脑皮层、海马和丘脑中的谷氨酸及γ-氨基丁酸含量。

Hemaglutinin(HA) is an important absorbent protein and effectiv protective antigen of AIV.It not only mediates AIV to adsorb and penetrate cells,but also makes the host produce immunity against AIV.

血白(HA)既是一种重要吸附白,介导禽流感病毒吸附和穿入宿主细胞而发挥致病作用,也是一种良好的保护性抗原,对宿主抵抗禽流感起到了决定性保护作用。

In the event of a fire, wear full protective clothing and NIOSH-approved self-contained breathing apparatus with full facepiece operated in the pressure demand or other positive pressure mode.

如果发生火灾，请在要求的压力下，穿保护衣和国立职业安全与健康研究所批准的呼吸器械和口罩。

The product is a well balanced cleaner and maintainer based on hard waxes and solvents. It cleans while maintains and protects floors and buffable protective film.

本产品是一种硬蜡和溶剂含量都很高的清洁保养产品，兼备清洁和保养的双重功效，清洁效率高，并具有持久的保养作用。

Abrasion and Overbending Concerns - To prevent abrasion and overbending, a metal hose can be used as a protective cover over wires or even other hoses.

磨损和过度弯曲-防止磨损和过度弯曲，金属软管可作为电线防护罩甚至掩护其他软管。

The protective breaking resistance design of the project shall be executed for predesign or trial design, which is not only opening up, but also practical.

工程抗断防护设计应进行预设计或试设计,既要有开拓性,又要有现实性。

Analysis on leakage reasons of chlorine liquefier were anlysed from manufacture, test and application. The liquefier was failure, and the protective measures were put forward.

从制造、检验、使用等方面对氯气液化器的泄漏、失效原因进行了详细分析,针对失效原因提出了防护措施。

Summarize the two type's sensor of medium voltage switchgear surveillance and measuring; the protective sensor of measuring current and voltage; un-coulometer numerical values sensor.

综述了用于中压开关柜监视、测量的两大类传感器:电流和电压测量保护用传感器;非电量数值传感器。

TPS61200 supports power supply of monomer solar battery, leave out series connection of knaggy solar battery, or the protective circuit with indispensible series connection.

TPS61200撑持单体太阳能电池供电，省去了多节太阳能电池串联，或串联必需的保护电路。

Here in the rainforest, the giant ohia lehua trees and hapuu ferns provide protective canopy to an amazingly diverse collection of plants and animals.

就在这片雨林中，高大的ohia lehua树和那叫hapuu的蕨类植物给丰富得令人惊奇的动植物撑起了一把保护伞。