查询词典 proof

Of course this way of showing that the propositions of logic are tautologies is not at all essential to logic, if only because the propositions from which the proof starts must show without any proof that they are tautologies.

意义。但是对于等式来说，具有根本意义的一点是：为了显示用等号连接的两个表达式有相同的指谓，等式并非必要，因为这一点从两个表达式本身即可以看出来。

More and more seismic damages have attracted more and more experts, at home and abroad, to study on collapse-proof systems, and acquire many achievements, but there are many problems about new damping material and restrainers'study, the mechanical ability of restrainers and unseating prevention devices, the design methods of the collapse-proof system etc.

但是在限位装置的设计方法、连梁装置的设计及实用化、缓冲装置的研究与开发等方面还有许多问题，并且此系统的研究在国内还处于空白阶段，虽然有些工程应用，还仅仅是定性的使用，没有相应的计算理论，更没有与国内抗震规范相适应的计算方法。

After female worker is borne or aborting, by oneself or the family planning proof that is in an enterprise to hold branch of local family planning to sign and issue, baby is born card, death or abortive proof, to local society insurance agency orgnaization deals with formalities, get birth allowance and submit an expense account medical treatment cost.

女职工生育或流产后，由本人或所在企业持当地计划生育部门签发的计划生育证实、婴儿出生证、死亡或流产证实，到当地社会保险经办机构办理手续，领取生育津贴和报销医疗费。

By adopting the technique of " making metal su*****ce flat and smooth with micro rheology " and the technique of " Ion Penetration Filling ", YG-ER Antifriction Metal Conditioner carries out fast regulation for the metal su*****c e of rubbing couples and forms a stiff and smooth metallic abrasion proof layer on the metal su*****ce under the rubbing effect, converting the friction between metals to that between metallic abrasion proof layers.

YG-ER 抗摩擦金属调理剂乃采用&微流变金属表面塑性整平&技术和&离子渗透填补&技术，对摩擦副金属表面进行快速调理，使金属表面在摩擦作用下形成一种坚硬、光滑的金属抗磨层，变金属与金属之间的摩擦为金属抗磨层与金属抗磨层之间的摩擦，以此克服金属摩擦带来的负面影响。

Our company main products have various specifications, models, materials, use of flat-panel, platform, workstation, flat-foot, square boxes, plate bending, deflection instrument, V-shaped iron, such as measuring series; heavy percussion wrench, special wrenches, Explosion-proof wrenches, special tools, such as explosion-proof tools series; a variety of iron castings, steel castings, machinery parts, equipment parts, machine tool bed, mold, mold and other ancillary pieces of castings, fittings, machinery spare parts series.

我公司主导产品有各种规格、型号、材质、用途的平板、平台、工作台、平尺、方箱、弯板、偏摆仪、V型铁等量具系列；重型敲击扳手、特种扳手、防爆扳手、防爆工具等特种工具系列；各种铸铁件、铸钢件、机械配套件、设备配套件、机床床身、模具、模具配套件等铸件、配套件、机械零部件系列。

UHZ-806 corrosion-proof magnetic liquid level gauge is constructed with stainless steel body with PP lining, which is high rugged and corrosion-proof. So it is suitable for acidic solution such as hydrochloric acid as well as alkaline and many organic solutions especially active solution.

UHZ-806型耐腐型磁翻柱液位计采用不锈钢本体内衬聚丙烯工艺，有很高的结构强度和耐腐蚀性，可适用于盐酸等酸性、碱性液体和许多有机溶剂。

The sockets are packed in a plastic bag or a car-board box, which is placed into a damp-proof and dust-proof packing box with a shipping bill.

开关用塑料袋或硬纸盒包装，装有产品的包装袋应装在干燥，防尘包装箱内，箱内应有装箱清单。

The sockets are packed in a plastic bag or a car-board box, which is placed into a damp-proof and dust-proof packing box with a shipping bill .

装箱单及包装盒，包装箱应注明产品名称，型号，数量以及制造厂名称，日期，检验印章。

Common transparent quartz tube SiO2 more than 99.9% purity, geometry, chemical stability, thermal stability, resistance to thermal denaturation and anti-crystallization properties of the fine, optical transmittance above 93%; from hydroxyl in hydroxyl tube below 10ppm, after vacuum from hydroxyl, hydroxy-up to 5ppm below apply to high-pressure mercury lamp, sodium lamp, metal halide lamp, such as low-hydroxy products; white pipe, used mainly for heating tube, heating tube, far infrared control the manufacture, milky quartz pearl quartz tube possession of new technology, the management side as if the surface of pearls, all aspects of performance than ordinary white tube better; filter tube to filter out ultraviolet UV band in the harmful wavelengths of 190-320nm ultraviolet light source applied to environmental protection manufacturing; no ozone UV filter tube and pipe the contrary, through the ultraviolet wavelength around 253.7nm, there is no ozone UV lamp main material, widely used in medical equipment, water treatment, food hygiene, such as sterilization; quartz casing diameter 8-120mm in between, has a single opening, double opening round, flat-top shape and widen the mouth of necking, flanging, sanding and other processing, high temperature resistance, corrosion resistance, good light transmission and moisture-proof, explosion-proof characteristics such as widely used in aquarium thermostat, disinfection equipment, heating pipes, water treatment, metal halide lamp, such as product manufacturing and environmental protection, health, chemical and other fields; quartz Clamshell specifications 8-180mm, the shape according to the customer requirements, the bubble shell can take capillary has to carry out the exhaust, high temperature, light transmission is good, mainly for JC, JD, H1-H7, the stage lights and high-pressure mercury lamp, sodium lamp, metal halide lamp, such as product manufacturing; quartz water jacket mainly used in printing and packaging processing industry ---- UV light-curing, UV light curing is a very reliable and can be used to replace hot air dryers and other drying technique of curing technology, which in the printing and packaging of the processing industry has been widely.

普通透明石英管SiO2纯度达99.9%以上，几何尺寸、化学稳定性、热稳定性、抗热变性和抗析晶性能优良，光学透过率达93%以上；脱羟管羟基在10ppm以下，经过真空脱羟，羟基可达5ppm以下，适用于高压汞灯、钠灯、金卤灯等低羟基产品；乳白管，主要用于发热管、加热管、远红外管的制造，珠光石英管乳白石英管之新工艺，管面好象珍珠的表面，各方面性能比普通乳白管更优；滤紫外线管能够滤除紫外光谱波段中对人体有害的190-320nm波长的紫外线，适用于环保光源的制造；无臭氧管与滤紫外线管相反，可透过253.7nm左右波长的紫外线，是无臭氧紫外线杀菌灯的主要材料，广泛用于医疗器械、水处理、食品卫生等杀菌；石英套管直径范围在8-120mm之间，有单开口、双开口、圆头、平头等外形和扩口、缩口、翻边、磨砂等加工，具有耐高温、耐腐蚀、透光性好及防潮、防爆等特点，广泛使用于水族恒温器、消毒设备、加热管、水处理、金卤灯等产品的制造和环保、卫生、化工等领域；石英泡壳规格Φ8-180mm，形状根据客户要求，泡壳上可以接有毛细管，可进行排气，耐高温，透光性好，主要用于JC、JD、H1-H7、舞台灯和高压汞灯、钠灯、金卤灯等产品的制造；石英水套主要用于印刷和包装加工工业---- UV光固化， UV光固化是一种十分可靠的、可取代热空气干燥机和其他干燥技术的固化技术，它在印刷和包装加工工业已经得到广泛应用。

Explosion-proof tools produced include the following major categories: A, hand chain hoist, pulley , table vice, sleeve and attachment type B, a variety of wrenches, pipe clamp type, such as plum blossom wrench stay, percussion wrench C, hammer type, such as Sledge Hammer, hammer nipple, hammer D, sub-soil knife, knife derusting , flat spade type, down-type E, crowbar-type F, pliers, scissors type, such as Dramix clamp, clamp Lei G, screwdriver-type H, the top, listening to the needle-type I, to pumps, buckets, Rama and other sundry goods J, portfolio suite tools and explosion-proof hand chain hoist is a national patent product, patent No.

公司生产的防爆工具包括以下几大类：A、手拉葫芦、滑车、台虎钳、套筒及附件类 B、各种扳手、管钳类，如梅花呆扳手、敲击扳手C、锤子类，如八角锤、奶头锤、榔头 D、泥子刀、除锈刀、扁铲类、挫类 E、撬棍类 F、钳子、剪刀类，如克丝钳、鲤鱼钳 G、螺丝刀类 H、顶尖、听针类 I、提油泵、水桶、拉马等杂品 J、组合套装工具类，且防爆手拉葫芦是国家专利产品，专利号为：

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。