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除鏽劑的比重測試法控制其濃度

日期：2025-08-29 11:43

浏覽次數：4304

摘要：

除鏽劑的比重調試法是通過調試除鏽劑比重的方法，可以了解溶劑中所含酸量的變換狀態，溶劑中鐵離子含量的增加對比重會稍有影響。但含酸量的影響還是主要的。酸含量的測量，可粗略地了解除鏽液濃度的變換狀態。一般狀態下，將使用過的除鏽劑經除渣、過濾後，取樣品500ml放量筒中，用波美比重表放入量筒中，等比重計靜止時，與溶劑相齊的刻度即爲比重值。當比重值低于1.10時，應及時添加新的除鏽劑進行調節，以保證除鏽劑的濃度。

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Here was the very man whom Hetty had seen at the window of the corner house--the very man whose features, as seen from the morning room, had been reflected in the mirror. It was impossible that there could be any coincidence here. Once seen the man could never be forgotten. It looked as if the new mystery of the corner house was going to be explained. "No one to help me at all?" she pleaded. Her voice was low, but she shook with passion. The big financier growled out that he would trust her to ￡50. In two minutes this was gone, and the banker made no further sign. Finishing and fitting relates to giving true and accurate dimensions to the parts of machinery that come in contact with each other and are joined together or move upon each other, and consists in cutting away the surplus material which has to be left in founding and forging because of the heated and expanded condition in which the material is treated in these last processes. In finishing, material is operated upon at its normal temperature, in which condition it can be handled, gauged, or measured, and will retain its shape after it is fitted. Finishing comprehends all operations of cutting and abrading, such as turning, boring, planing and grinding, also the handling of material; it is considered the leading department in shop manipulation, because it is the one where the work constructed is organised and brought together. The fitting shop is also that department to which drawings especially apply, and other preparatory operations are usually made subservient to the fitting processes. not to allow their manly natures to be crushed out by too much Here in southern India the women wear hardly any trinkets, and their garb consists of sarongs and sarees, so thin that their shape is visible through the light stuff. In their hair, which is knotted low on the neck, they stick flowers, and occasionally light trailing sprays fall down on the throat. They all have gold studs screwed into the two upper front teeth; hideous are these two red-gold teeth among the others, sound and white under young lips! "Never mind all that. I'm here to question, not to be questioned. Now listen to me." And he went on to point out how she could not possibly get away from him and the troops until they were across the border, and that once there, it lay with him to turn her over to the authorities or to set her free. "You can take your choice, of course. I give you my word—and I think you are quite clever enough to believe me—that if you do not tell me what I want to know about Stone, I will land you where I've landed your husband; and that if you do, you shall go free after I've done with you. Now I can wait until you decide to answer," and he rolled over on his back, put his arms under his head, and gazed up at the jewel-blue patch of sky. She put the baby between them, and it sat looking into the fire in the way she herself so often did, until her husband had called her the High Priestess of the Flames. Then she sank down among the cushions again and stirred her coffee indolently, drowsily, steeped in the contentment of perfect well-being. Cairness followed her movements with sharp pleasure. In this uneasy state of things Austria very unnecessarily put the match to the political train, and threw the whole of the south of Europe again into war. Don Joseph Molina, the Spanish Ambassador at Rome, being appointed Inquisitor-General at Spain, commenced his journey homewards, furnished with a passport from the Pope, and an assurance of safety from the Imperial Minister. Yet, notwithstanding this, he was perfidiously arrested by the Austrian authorities and secured in the citadel of Milan. The gross insult to Spain, and equally gross breach of faith, so exasperated the King and Queen of Spain that they would listen to nothing but war. The earnest expostulations of Alberoni, delivered in the form of a powerful memorial, were rejected, and he was compelled to abandon the cherished hopes of peaceful improvement and make the most active preparations for war. In the department of novel writing, no age had yet produced such a constellation as Fielding, Richardson, Sterne, and Smollett. Their works[147] are still read with admiration by all who have a relish for vivid and masterly delineations of life; their only drawback being, that they are all more or less stained with the grossness and licentiousness of the age. From these faults Samuel Richardson (b. 1689; d. 1761) is most free, and in his "Sir Charles Grandison" he hasshown himself ahead of his age in the wisdom and liberality of his ideas. He discountenanced duelling, and taught the soundest principles of honour and morality. The photographic minuteness of his style prevents the general reading of his works in the present day of abundant new literature. The principal novels of Henry Fielding (b. 1707; d. 1754), "Joseph Andrews," "Tom Jones," and "Amelia," abound in wit, vigour, and knowledge of human nature. He wrote also some plays, and edited several periodicals. His sister, Sarah, also wrote "David Simple," a novel, and translated Xenophon's "Memoirs of Socrates." Tobias Smollett (b. 1721; d. 1771) paints life in strong, bold, but somewhat coarse lines, full of vigour, but with even more grossness than Fielding uses. "Peregrine Pickle," "Count Fathom," "Roderick Random," "Humphrey Clinker," and "Sir Launcelot Greaves," if not now generally read, have been carefully studied and made use of by some of our modern novelists. Smollett, besides, wrote plays, satires, poems, and edited "The Briton," a weekly newspaper. Laurence Sterne (b. 1713; d. 1768) struck out a style of writing peculiar to himself, and which still defies all successful imitation. Notwithstanding attempts to represent his pathos as grimace, and his humour as tinsel, the felicity of touch in "Tristram Shandy," and the flashes of wit and feeling in his "Sentimental Journey," will, in spite of detractors, and of the occasional indecency of the author, always send readers to Sterne. Pete was silent for another minute. Then he could hold in no longer: "Yes. It was mauled and mummixed to death. There's plenty o' mismanagement all around the army, but the 200th Injianny had the worst luck of all. It got into awful bad hands. I quit it just as soon's I see how things was a-going. They begun to plant the men just as soon's they crossed the Ohio, and their graves are strung all the way from Louisville to Chickamauga. The others got tired o' being mauled around, and starved, and tyrannized over, and o' fighting for the nigger, and they skipped for home like sensible men." "Go to brimstone blazes," shouted the rebel. "If yo'uns have got me, why don't y' take me. I kin lick the hull caboodle o' y' sneakin' mulatters. Come on, why don't y'?" Perhaps your cold heart will remember Seth's Manor, For some obscure reason Caro did not like to see [Pg 284]herself credited with the harshness of inexperience. She did her best to assume an air of worldly toleration. His loneliness seemed to drive Reuben closer to the earth. He still had that divine sense of the earth being at once his enemy and his only friend. Just as the gorse which murders the soil with its woody fibres sweetens all the air with its fragrance, so Reuben when he fought the harsh strangling powers of the ground also drank up its sweetness like honey. He did not work so hard as formerly, though he could still dig his furrow with the best of them—he knew that the days had come when he must spare himself. But he maintained his intercourse with the earth by means of long walks in the surrounding country. They ran down towards the thickset hedge which divided the Fair-place from Odiam's land, and to his horror began to try to force their way through it, screaming piercingly the while. Reuben shouted to them: He had scarcely time to give a nod of recognition to several neighbours who stood near the entrance, when the steward approached, and, desiring him to walk further up the hall, placed him at the first step that elevated the upper end, thus cutting off every possibility of communicating with his neighbours. 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