Xem 1-20 trên 313 kết quả The copper
  • Into the Unknown ADRIFT in space! Blaine Carson worked frantically at the controls, his jaw set in grim lines and his eyes narrowed to anxious slits as he peered into the diamond-studded ebon of the heavens. A million miles astern he knew the red disk of the planet Mars was receding rapidly into the blackness. And the RX8 was streaking into the outer void at a terrific pace—out of control. Something had warned him when they left Earth; the Martian cargo of k-metal was of enormous value and a direct invitation to piracy. Of course there was the attempt at...

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  • We studied the interaction of several metal ions with the copper chaperone fromEnterococcus hirae(EhCopZ). We show that the stoichiometry of the protein–metal complex varies with the experimental conditions used. At high con-centration of the protein in a noncoordinatingbuffer, a dimer, (EhCopZ)2–metal, was formed. The presence of a potentially coordinatingmolecule L in the solution leads to the formation of a monomeric ternary complex, EhCopZ– Cu–L, where L can be a buffer or a coordinatingmole-cule (glutathione, tris(2-carboxyethyl)phosphine). ...

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  • Synthesis of the copper nanoparticles colloidal solutions by chemical reduction method with various precursors including copper oxalate, CuCl2, CuSO4, Cu(NO3)2 with hydrazine hydrate reducing agent, NaBH4; solvent glycerin and water, PVA and PVP protection, dispersants and protective agents: including trisodium citrate, ascorbic acid, CTAB.

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  • THE ADVENTURES OF SHERLOCK HOMES ARTHUR CONAN DOYLE The Adventure of the Copper Beeches Đây là một tác phẩm anh ngữ nổi tiếng với những từ vựng quen thuộc. Nhằm giúp các em và các bạn yêu thich tiếng anh luyện tập và củng cố thêm kỹ năng đọc tiếng anh .

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  • The use of copper and its alloys by humans goes back thousands of years. Probably copper is the most ancient metal extracted and processed by mankind. With good strength and ductility, ease of processing and good availability, copper has been for millennia an excellent material for creating objects, jewelry and tools of daily use or components with high technological content.

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  • The cathodic reduction of nitrate and nitrite ions on a copper electrode in aqueous potassium chloride solutions was studied using cyclic voltammetry technique. The cyclic voltammograms showed that nitrate and nitrite ion reduction occurred in the 0.14 M KCl solution with peak potentials of -1.25 to -1.30 V and -1.20 to -1.25 V (Ag/AgCl) respectively.

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  • THE ADVENTURES OF SHERLOCK HOMES ARTHUR CONAN DOYLE The Adventure of the Copper Beeches (2) Đây là một tác phẩm anh ngữ nổi tiếng với những từ vựng quen thuộc. Nhằm giúp các em và các bạn yêu thich tiếng anh luyện tập và củng cố thêm kỹ năng đọc tiếng anh .

    pdf14p blacktulip 07-09-2010 28 2   Download

  • THE ADVENTURES OF SHERLOCK HOMES ARTHUR CONAN DOYLE The Adventure of the Copper Beeches (3) Đây là một tác phẩm anh ngữ nổi tiếng với những từ vựng quen thuộc. Nhằm giúp các em và các bạn yêu thich tiếng anh luyện tập và củng cố thêm kỹ năng đọc tiếng anh .

    pdf12p blacktulip 07-09-2010 24 2   Download

  • “To get rid of the gardener you must send both suitors to a very distant country, and the one who returns first shall marry your daughter.” The King followed this advice, and the minister’s son was presented with a splendid horse and a purse full of gold pieces, while the gardener’s son had only an old lame horse and a purse full of copper mo

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  • Plasma concentrations of free fatty acids are increased in metabolic syn-drome, and the increased fatty acids may cause cellular damage via the induction of oxidative stress. The present study was designed to determine whether the increase in fatty acids can modify the free sulfhydryl group in position 34 of albumin (Cys34) and enhance the redox-cycling activity of the copper–albumin complex in high-fat diet-induced obese mice.

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  • This book deals with the Bronze Age principally from the point of view of the implements and weapons in use in Ireland during that period. It is unnecessary to state that the materials for writing anything like a full account of the civilization or political organization during the Bronze Age do not exist; and even the ethnological affinities of the dominant race that inhabited Ireland during this period are doubtful. All that can be said is that there was apparently no gap between the end of the Neolithic Period and the transitional Copper to Bronze Period.

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  • Petrified with astonishment, Richard Seaton stared after the copper steam-bath upon which he had been electrolyzing his solution of "X," the unknown metal. For as soon as he had removed the beaker the heavy bath had jumped endwise from under his hand as though it were alive. It had flown with terrific speed over the table, smashing apparatus and bottles of chemicals on its way, and was even now disappearing through the open window. He seized his prism binoculars and focused them upon the flying vessel, a speck in the distance.

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  • The interaction between the human copper(I) chaperone, HAH1, and one of its two physiological partners, the Menkes disease protein (ATP7A), was investigated in solution using heteronuclear NMR. The study was carried out through titrations involving HAH1 and either the second or the fifth soluble domains of ATP7A (MNK2 and MNK5, respectively), in the pres-ence of copper(I). The copper-transfer properties of MNK2 and MNK5 are similar, and differ significantly from those previously observed for the yeast homologous system. ...

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  • Physical Layer. In this chapter, you will learn to: Explain the role of Physical layer protocols and services in supporting communication across data networks. Describe the purpose of Physical layer signaling and encoding as they are used in networks. Describe the role of signals used to represent bits as a frame is transported across the local media. Identify the basic characteristics of copper, fiber, and wireless network media.

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  • The chemical process industries (CPI), petroleum and allied industries apply physical as well as chemical methods to the conversion of raw feedstock materials into salable products. Because of the diversity of products, process conditions and requirements, equipment design is often unique, or case specific. The prime requirement of any piece of equipment is that it performs the function for which it was designed under the intended process operating conditions, and do so in a continuous and reliable manner.

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  • ADC offers a wide variety of copper cable for transmission of the most critical data transmissions. The cable portfolio includes CopperTen™ Augmented Category 6 cable for the emerging 10 Gpbs Ethernet over UTP standard, as well as standards-compliant cable for Category 3, Category 5, Category 5e and Category 6 applications. Our high performance copper riser and Plenum data cables for backbone and horizontal applications are produced by highly automated manufacturing processes that ensure consistent quality and dependability with superior electrical performance....

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  • ADC Communications (Australia) Pty Limited (hereinafter “the Company”) is a sale and manufacturing organisation and offers advice to its authorised installers and their customers. The information and diagrams contained in this document is for illustration purposes only (as at the document date) and does not purport to give specific advice or guidance to meet the requirements of a particular installation. Any design layout or bill of materials based on this document is for illustrative purposes only and does not form a legally binding contract with the Company.

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  • 5 `DATA! DATA! DATA!' Analysing data from the inquiry 'Data! data! data!' he cried impatiently. 'I can't make bricks out of clay' Sherlock Holmes, The Adventure of the Copper Beeches `Data' never comes to the social scientist clean, like cement for bricks. As we found in Chapters 3 and 4, the society a person lives in ± and a person's beliefs ± can directly affect what counts as a `clue' and what counts as `evidence'.

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  • The use of AE is the primary method of evaluation in many other industries evaluation of civil engineering works. For the calculation of general civil assessment combined with information collected from the strain gauge devices and other sensors downloads or other ambient conditions. An example of this approach is based on calculation Conventional load rating existing bridges.

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  • Recrystallization and related phenomena that occur during thermomechanical processing of all types of crystalline materials are areas of intensive research. However, particular subject matters of research differ depending on scientific discipline. In geology, recrystallization is a process that occurs during natural deformation of rocks and minerals subjected to high temperature and pressure. Grains, atoms or molecules can be packed closer together. Under the influence of these metamorphic processes, new mineral grains can be created in crystalline form.

    pdf258p qsczaxewd 25-09-2012 31 8   Download

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