查询词典 protective coating

Copper and copper prevent discoloration protective agent, copper prevent oxidant, galvanization passivation blocker, silver protectant, LED silver protectant, prevent discoloration, gold, silver, and gold, protective agent, we hole of tin additive is not completely, and formaldehyde environmental protection coating resistant color effect very good, long time in the air will become yellow, oxidation.

铜保护剂、铜防变色剂、铜防氧化剂、镀锌钝化封闭剂、银保护剂、LED银保护剂、银防变色剂、金保护剂、金封孔剂，我们的各种锡添加剂完全是不含甲醛环保型，并且镀层抗变色效果很好，长时间在空气中不会变黄、氧化。

Below 300 300 to 1200 Ordinary Portland or Portland blastfurnace Ordinary Portland or Portland blastfurnace Sulphate resisting Supersulphated Sulphate resisting or Supersulphated High alumina Sulphate resisting or Supersulphated High alumina Sulphate resisting or Supersulphated with adequate protective coating High alumina Minimum cement content (kg m-3) Type of cement Maximum size of aggregate 37.5 240 290 240 270 290 290 330 330 330 330 19.0 280 330 280 310 330 330 370 340 370 370 9.5 330 380 330 360 380 380 420 410 420 420 0.55 0.50 0.55 0.50 0.50 0.45 0.45 0.40 0.45 0.35 Maximum water-cement ratio 0.5 to 1.0 1.0 to 2.0 1200 to 2500 2500 to 5000 Over 2.0 Over 5000 Wear

这些气 穴通常由具有格外高能量的水蒸气所填充，与混凝土表面的反复接触导致形成凹陷和孔洞，即气蚀。既然高质混凝土也不能抵抗这种劣化，因此最好的补救是通过制造平滑水流来消除气蚀。在所有必须的地方，关键的面上衬以高抗气蚀性的材料。通常，混凝土抗腐蚀和磨损的能力随强度增加而提高。采用硬韧的集料可改善混凝土的抗磨损性。

Remain on the printing plate in the blank space of black-coated shieldoff light, so that the blank for not photographicsensitive layer; and the graphics and text at photoptic photographicsensitive glue due to lost black protective coating, photopolymerization reaction, the final text.

保留在印版不满缺处的白色涂层盖住平线，使不满缺处的感平胶层不感平；而图文处的感平胶层由于获得了白色涂层的爱护，爆发平撮合不正答，即变成了首不后的图文局部。

Prepare a composite protective coating for metal substrates such as steel used in fabricating metal pipe or conduit.

制备一种金属管或导管的金属基片如钢板用的复合防护层。

It is the principle of the use of atomic diffusion permeability to zinc and steel surface at a high temperature exposure, the formation of iron and zinc alloy protective coating.

它是利用原子扩散渗透原理，使锌粉与钢铁表面在较高的温度下接触，形成铁锌合金保护层。

The paper makes description of effective box beam construction technology and workmanship which can be adopted in other projects,such technologies as:manufacturing and fixing of reinforcement,steel reinforcement fixing baseplate,web plate and top plate respectively and lifting the steel skeleton into form,requirements of design and manufacturing and way of utilization for dismantling-erection type formwork and hydraulic formwork,optimization of concrete ratio,concrete pouring process of two ends of beam in priority over the middle,in sequence of first baseplate followed by web plate and top plate at last,concrete pouring in inclined section and in horizontal layer,concrete vibration mainly byexternal vibrator in assistance with internal vibrator,methods and regulation for steam curing of concrete,dual controls over stress and strain to ensure quality of prestressing workmanship,construction method of effective beam moving by heavy-weight special moving facility,some regulations and key notes about construction of grouting under pressure,beam ends sealing,water-proof layer on the bridge surface system,protective coating.

文中介绍的采用胎具制作和绑扎钢筋，分底腹板和顶板分别绑扎并吊装钢筋骨架入模；拆装式和液压式两种模板的设计、制作要求和使用方法；综合考虑、优化混凝土配合比，混凝土灌注从两端至中间、先底板、后腹板、再顶板的施工顺序和斜向分段、腹板水平分层、附着式振捣为主、插入式捣固为辅的施工工艺，蒸汽养护的方法和规定；应力～应变双控制确保预应力施工质量的施工技术；采用重物移运器有效移梁的施工方法；压浆、封端、桥面防水层和保护层施工的一些规定和注意事项等都是对箱梁制造行之有效的施工技术和施工方法，并可为以后类似施工作借鉴。

The powder method without box and the paste with protective coating.

介绍了固体硫氮碳共渗渗剂两种新的使用方法──不用渗箱的粉末法和带保护层的硫氮磷共渗涂料。

Theoretically the pump blade failure mechanism was worn on, the impact of wear failure leaves the various factors was analyzed, combined with practice pumping station operation and maintenance experience, the focus at a reasonable selection, surface heat treatment, non-metallic protective coating alloy powder spray repair welding and welding six aspects, premature wear of the pump blade technical measures and repair methods was prevented in order to enhance its effective life.

理论上阐述了水泵叶片磨损失效的机制，具体分析了影响叶片磨损失效的各种因素，并结合泵站运行实践和维修经验，重点在合理选材、表面热处理、非金属涂层防护、合金粉末喷焊和补焊等6个方面，提出了防止水泵叶片过早磨损的技术措施和修补方法，以提高其有效的使用寿命。

COMFORTABLE FIT: Brahms' unique design and special spring temper metal core with protective coating, adjusts easily to fit every nose.

佩戴舒适：Brahms的独特设计及带有保护膜的特殊弹簧韧度金属芯，可以轻松调节，以适合每个鼻形。

As a protective coating for water ballast tanks, cofferdams, bilges, void spaces, etc.

用作压载水舱、贮槽、空隔舱、舱底以及空隙部位的防护。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。