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The welding wire thus obtained a weld containing not more than 5 ml of diffusible hydrogen per 100 g deposited metal.

这样得到的焊丝形成的焊件每100g熔敷金属含有不超过5ml的扩散氢。

A series of standards,such as GB/T 3965 、 GB/T 5117、GB/T 5118、GB 12337、 GB 50094、JB/T 4747 etc,have some different requirements of diffusible hydrogen content in deposited metal.

通过GB/T 3965、GB/T 5117、GB/T 5118、GB 12337、GB 50094J、B/T 4747等标准焊条熔敷金属扩散氢方面要求的不一致进行阐述,对相关标准的编制以及球形储罐高强低合金钢焊条的使用与管理提出了一些建议。

The chemical properties of gold ink too with acids, alkalis and sulfide contact occur to varying degrees, and that its metallic luster greatly reduced and Kim monlchamus becomes nigrescent, and second, it's easy to gold ink also with air, caused by water vapor chromotropic reactions, so that when you save the Gold Ink containers need to be tightened.

金不朱的化学本质不敷安定,跟酸、碱和硫化物隔绝会爆发不同水平的化学改变,而使它的金属光华性不小为贬矮,金不朱不离会显得发黑;其次,金不朱还很便当跟氛围、水蒸气爆发化学不正答而引起变色,因此,在留存金不朱时一定给不兵容器密封盖狭小窄小苛狭小窄小苛严。

After pretreatment,brass is overlain with PbS by chemical plating.The absorptivity of PbS coating is affected by temperature,reaction concentration,reaction time and so on.The optimized condition of preparating PbS coating was got.

首先,考察了反应温度、反应物浓度、加碱量和反应时间等对PbS涂层太阳吸收率α的影响,得到了制备PbS涂层的优化条件;然后,在PbS涂层上涂敷TiO2作为保护层,以延缓PbS涂层的氧化,对两种涂层表面进行了XPS和SEM分析。

Culms to ca. 5 m, to 3 cm in diam.; internodes terete, 33–40 cm, initially densely pruinose, yellow-brown and unevenly dark gray powdery when old; wall ca. 8 mm thick; supra-nodal ridge more elevated than sheath scar.

秆与5米的约,在3厘米直径;节间圆柱状,33-40厘米,浓密最初具粉霜,黄褐色和不均匀深灰色敷粉老时;壁约8毫米厚;超级节的脊比鞘痕更多的隆起。

There is now a corporate business card printing and membership card making roller is used by the relatively high frequency in business card printing and membership card to make a color swatch and large text, inking insufficient operators often use largening monlchamus tuhung plinthitic roll roll and retrohepatic methods to increase the amount of ink.

此刻有的企业制卡和会员卡制作所搁置的网纹辊线数偏矮,在制卡和会员卡制作色块和不小的笔不朱时,不朱度不敷,因此不不安纵者必然拔取增不小不朱斗辊与网纹辊间隙的办法来补充不求不朱度。

There is now a corporate business card printing and membership card when used by a number of roller line is relatively high, reached 180-line/inches or 250 line/inch, in business card printing and membership card to make a color swatch, big text, inking insufficient operators often use inlarging monlchamus tuhung plinthitic roll roll and retrohepatic methods to increase the amount of ink.

此刻有的企业制卡和会员卡制作时所搁置的网纹辊线数偏矮,到达180线/英寸或250线/英寸,在制卡和会员卡制作色块、不小的笔不朱时,不朱度不敷,因此不不安纵者必然拔取增不小不朱斗辊与网纹辊间隙的办法来补充不求不朱度。

Development of acup uncture and moxibustion must follow basical rules of development of natural scie nces, selecting "tomorrow's products" as a breakthrough point, and beginning from the fields with the suggestion of a new development such as sticking therap y, apparatus for treatment and diagnosis, acup-moxibu stion serum, etc.

针灸学发展必须遵循自然科学发展的基本规律,选择&明天的产品&为突破口,具体可从贴敷、诊断治疗器械、针灸血清等目前已崭露苗头的领域开始。针灸学/发展趋势

Some influential factors on soft nickel sulfamate plating and soft gold sulfite plating process and measures of improving adhesion between the nickel barrier and the gold conductor layer have been analyzed.By means of our experiments and product applications,it has been shown that the Ni/Au platingtechnology for the soft PTFE copper clad laminate...

通过实验及应用证明了与直接镀金工艺相比,在软基材PTFE敷铜箔板上镀Ni/Au工艺能大大提高微波电路的可焊性、高温稳定性和长期可靠性,并且用其所制作的微波器件的高频性能也优于直接镀金工业。

SiC nanowires grew at the surface of liquid ball and formed villiform nano wire-balls. During the cooling stage in some cases, the SiO reacted with the CO in the furnace to form SiO_2 which then deposited on the surface of SiC nanowires, forming the SiC/SiO_2 nanocable with SiC as the core and SiO_2 as the wrapping layer.

由于Ni-Si化合物跟石墨的浸润性较差,在仅比化合物熔点高出小于200℃的温度区域内,Ni-Si化合物熔体不能在石墨板上熔敷而是形成合金熔球,最后在熔球表面上生长出SiC纳米线形成形状独特的SiC纳米线绒球。

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你知道吗,我需要你回来

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

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Chapter Three: Type classification of DE structure in Sino-Tibetan languages.

第三章汉藏语&的&字结构的类型划分。