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水質必須達到供暖散熱器的要求

衆所周知，我國低壓鍋爐水質早已頒布，至今沒有實施。科學供暖水質管理和運行難以推行，社會已經爲此付出了很大的代價，特別是采暖散熱器行業一旦散熱器因水質問題發生漏水，這將對企業和消費者在經濟和精神方面造成巨大損失，這個責任應該誰來負責，有關單位該管得可以不管，板子卻直接打到散熱器廠家身上，因此廠家不得不拿出巨大的人力、財力、物力研制開發各種防腐塗料，改進防腐工藝。

聖蒂羅瀾散熱器专家指出明明铝制散热器和钢制散热器能解决的问题，不得不进一步研发全铜水道、不锈钢水道等一些昂贵金属制造的散热器。我们曾对意大利、西欧等国家铝合金散热器进行解剖，他们的内壁都没有进行内防腐。在与德国客户商谈有关钢制散热器的技术问题时，他们对钢管的要求壁厚是11.2mm就可以，对于我们提出的是否要求内防腐他们却感到非常惊奇;为什么要进行内防腐?在这些国家中根本就没有内防腐这个概念，像意大利等西欧国家对采暖水质有一套科学的管理制度和运行制度。

采暖水質必須達到供暖散熱器的要求，这些已运行了好多年，并且已经有了成熟的经验，为什么国内有关部门不能下决心抓一下。采暖水质规范了，散热器行业就不用花费那么大的人力、财力、物力去解决因采暖水质造成的内壁腐蚀的问题。新颖、美观、高效、节能的铝制散热器，会像西欧国家那样占据我们采暖散热器的主要市场，这要节省多少人力、财力、物力以及昂贵有色金属材料，这是最大节省，也是最大的节能。

最近北京市已經頒布了供熱采暖系統水質及防腐技術規程。我們希望北京地區能帶個頭，在全國作個榜樣，首先解決采暖水質問題，然後向全國推廣，爲今後采暖散熱器的發展鋪平道路，爲采暖散熱器的節能做出貢獻!

上一篇暖氣少改少動少麻煩下一篇銅鋁複合暖氣片中的銅管小知識

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Norah brought him over the typed letter. "We walked by the side of our teams or behind the wagons, we slept on the ground at night, we did our own cooking, we washed our knives by sticking them into the ground rapidly a few times, and we washed our plates with sand and wisps of grass. When we stopped, we arranged our wagons in a circle, and thus formed a 'corral,' or yard, where we drove our oxen to yoke them up. And the corral was often very useful as a fort, or camp, for defending ourselves against the Indians. Do you see that little hollow down there?" he asked, pointing to a depression in the ground a short distance to the right of the train. "Well, in that hollow our wagon-train was kept three days and nights by the Indians. Three days and nights they stayed around, and made several attacks. Two of our men were killed and three were wounded by their arrows, and others had narrow escapes. One arrow hit me on the throat, but I was saved by the knot of my neckerchief, and the point only tore the skin a little. Since that time I have always had a fondness for large neckties. I don't know how many of the Indians we killed, as they carried off their dead and wounded, to save them from being scalped. Next to getting the scalps of their enemies, the most important thing with the Indians is to save their own. We had several fights during our journey, but that one was the worst. Once a little party of us were surrounded in a small 'wallow,' and had a tough time to defend ourselves successfully. Luckily for us, the Indians had no fire-arms then, and their bows and arrows were no match for our rifles. Nowadays they are well armed, but there are[Pg 41] not so many of them, and they are not inclined to trouble the railway trains. They used to do a great deal of mischief in the old times, and many a poor fellow has been killed by them." To see the whole of Tokio is a matter of no small moment, as the area of the city is very great. There seems to have been no stint of ground when the place was laid out, and in riding through it you find whole fields and gardens so widely spread that you can readily imagine yourself to be in the rural districts, and are rather surprised when told that you are yet in the city limits. The city is divided into two unequal portions by the Sumida River, and over this river is the Nihon Bashi, or Nihon Bridge, which is often called the centre of Japan, for the reason that all the roads were formerly measured from it. It has the same relation to Japan as the famous "London Stone" has to England, or, rather, as the London Stone had a hundred years ago. "Yes--well--what of him?" As to the manner of cutting out or planing up the lumber for patterns, and the manner of framing them together, it is useless to devote space to the subject here; one hour's practical observation in a pattern-shop, and another hour spent in examining different kinds of patterns, is worth more to the apprentice than a whole volume written to explain how these last-named operations are performed. A pattern, unless finished with paint or opaque varnish, will show the manner in which the wood is disposed in framing the parts together. IV. Do you play golf or hunt or ride horseback or just sit in the sun “She did take the string, as the letter says,” Jeff nodded. “It was a secret—they didn’t broadcast it that the necklace was in the captain’s cabin, locked up in his safe. 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