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本文针对原装煤车导套部位存在的问题,对导套改造作了技术分析,并提出了改造方案。通过导套改造前后效果比较效益分析,说明导套改造不仅解决了生产难题,也带了社会效益。 相似文献
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6m焦炉是安钢焦化厂的重点设备,生产的焦炭直接供2800m3高炉,焦炉炭化室装煤技术指标是否合格对焦炭质量影响很大。通过改进装煤车料仓料位控制系统,达到了准确控制装煤量的目的,保障了优质焦炭的稳定生产。 相似文献
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介绍了可编程序控制器(PLC)控制技术在攀钢5.5m焦炉JZ-3型装煤车上的应用,系统地阐述了PLC选择、开关量建立、模块配置、控制过程、硬件措施、软件设计等。 相似文献
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1概述我厂拥有32孔二分下喷式焦炉一组,具有年产20万t冶金焦的能力。其配套加煤设施为JZ—10型装煤车,投运几年来发现,装煤斗存在两方面的问题1)装煤斗容易堵塞,造成下煤困难。2)放煤闸板工作不可靠,维修不便。2原因分析原煤斗(见图1)上下各为一锥形斗,另有一外斗套,各部分用螺栓联接,内装一圆弧形闸板(仅画中间斗)。此结构使原煤容易积存在下锥斗和外斗套中,特别是雨季,煤容易粘结,造成经常性堵塞,难以顺利入炉。加煤时,往往使用套筒撞击炉顶,人力敲打下锥斗及斗套,通过冲击来达到下煤的目的。同时,从… 相似文献
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宝钢焦炉装煤车原有取盖装置采用单油缸驱动,限位定位,使用时存在对炉顶冲击大、炉盖关不平等问题。改造后的取盖装置将原有的S型轨道改为平移和垂直两个轨道,采用了双油缸驱动,分别控制揭盖机的前后和上下动作,油缸内置传感器替代限位来定位。同时将原有的揭盖机上下控制程序改为揭盖机上下和前后两个控制程序,完善了相应的半自动控制程序、走行连锁程序、应急控制程序和控制画面,实现了取盖装置的一键自动动作,动作平稳,对炉顶无冲击。 相似文献
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Minutes of the Annual Meeting of the Council of Representatives (February 17-19, 2006, Washington, DC; and August 17 and 21, 2006, New Orleans, LA) and of the 2006 meetings of the Board of Directors (February, June, August, and December) are provided. These minutes are the official record of the actions of the American Psychological Association taken during the year by both the Board of Directors and the Council of Representatives. (PsycINFO Database Record (c) 2010 APA, all rights reserved) 相似文献
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These minutes are the official record of the actions of the Association taken during the year by both the Board of Directors (the Board) and the Council of Representatives (Council). The roll of representatives was called at each Council meeting, and more than a quorum answered to their names. Reference is made in these minutes to various reports, some of which will be published elsewhere. Copies of these reports were distributed to Council and are on file in the Central Office. As long as the supply lasts, extra copies of many of the reports are available from the Central Office. These minutes are arranged in topical rather than chronological order, and subheadings are used when appropriate. The main topical headings are I. Minutes of Meetings; II. Elections, Awards, Membership, and Human Resources; III. Ethics; IV. Board of Directors; V. Divisions and State and Provincial Associations; VI. Organization of the APA; VII. Publications and Communications; VIII. Convention Affairs; IX. Educational Affairs; X. Professional Affairs; XI. Scientific Affairs; XII. Public Interest; XIII. Ethnic Minority Affairs; XIV. International Affairs; XV. Central Office; and XVI. Financial Affairs. Changes to the language of the American Psychological Association (APA) Bylaws, Association Rules, or motions of the items are noted as follows throughout these proceedings: Bracketed material is to be deleted; underlined material is to be added. (PsycINFO Database Record (c) 2010 APA, all rights reserved) 相似文献
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These minutes constitute the official record of actions of the Association taken during the year, by both the Council of Representatives and the Board of Directors. The roll of Representatives was called at each meeting, and more than a quorum answered to their names. Reference is made in these minutes to various reports, some of which will be published elsewhere. Copies of these reports were distributed to Council members and are on file in the Central Office. As long as the supply lasts, extra copies of many of the reports are available from the Central Office. The Board of Directors met five times during this Association year. All substantive actions of the Board were reported to the Council and are included in these minutes. Further details of the Board's actions are to be found in the minutes of each meeting. As in previous years, these minutes are organized in topical rather than chronological order. The main headings used are: (1) Minutes of Meetings in 1977-1978; (2) Elections, Awards, Membership, and Human Resources; (3) Ethics; (4) Board of Directors; (5) Divisions and State Associations; (6) Organization of the APA; (7) Publications and Communications; (8) Convention Affairs; (9) Educational Affairs; (10) Professional Affairs; (11) Scientific Affairs; (12) Social and Ethical Responsibility for Psychology; (13) External (International) Affairs; (14) Central Office; (15) Financial Affairs; and (16) Communications Concerning Outside Organizations. (PsycINFO Database Record (c) 2010 APA, all rights reserved) 相似文献
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No authorship indicated 《Canadian Metallurgical Quarterly》1973,28(4):297
In September 1967, the Council of Representatives voted that beginning in 1968, it would meet for only one day midway during the Annual Convention to act on essential routine business and to receive the agenda for its major meeting, to be set for a minimum of two days at a date apart from the Annual Convention. In accordance with that vote, the Council met in Honolulu, Hawaii, on September 5, 1972, at the Annual Convention, and in Washington, D.C., on December 2 and 3, 1972. The roll of representatives was called at both meetings, and more than a quorum answered to their names. These minutes constitute the official record of actions of the Association taken during the year. Reference is made to various reports, some of which will be published elsewhere. Copies of these reports were distributed to Council members and are on file in the Central Office. Extra copies of many of them are available from the Central Office as long as the supply lasts. The Board of Directors met six times during the year. All substantive actions of the Board taken during the year were reported to Council and are included in these minutes. Further details of the Board's actions are to be found in the minutes of each meeting. As in previous years, these minutes are organized in topical rather than chronological order. The main headings used are: (1) Minutes of Meetings in 1971-1972; (2) Elections, Awards, Membership, and Manpower; (3) Ethics, and Social and Ethical Responsibility; (4)Board of Directors; (5) Divisions and State Associations; (6)Organization of the APA; (7) Publications and Communications; (8) Convention Affairs; (9) Educational Affairs; (10) Professional Affairs; (11) Scientific Affairs; (12) External Affairs; (13) Central Office; (14) Financial Affairs; and (15) Communications from Outside Organizations. (PsycINFO Database Record (c) 2010 APA, all rights reserved) 相似文献
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These minutes constitute the official record of actions of the American Psychological Association taken during the year, by both the Board of Directors and the Council of Representatives. Reference is made in these minutes to various reports, some of which will be published elsewhere. Overall, the Board of Directors met five times during this Association year. All substantive actions of the Board were reported to the Council and are included in these minutes. Further details of the Board's actions are to be found in the minutes of each meeting. As in previous years, these minutes are arranged in topical rather than chronological order, and subheadings are used when appropriate. The main topical headings, are: I, Minutes of Meetings in 1981-1982; II, Elections, Awards, Membership, and Human Resources; III, Ethics; IV, Board of Directors; V, Divisions and State Associations; VI, Organization of the APA; VII, Publications and Communications; VIII, Convention Affairs; IX, Educational Affairs; X, Professional Affairs; XI, Scientific Affairs; XII, Social and Ethical Responsibility for Psychology; XIII, Ethnic Minority Affairs; XIV, International Affairs; XV, Central Office; XVI, Financial Affairs; and XVII, Communications Concerning Outside Organizations. (PsycINFO Database Record (c) 2010 APA, all rights reserved) 相似文献
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Behavioral, neuropsychological, and brain imaging research points to a dedicated system for processing number that is shared across development and across species. This foundational Approximate Number System (ANS) operates over multiple modalities, forming representations of the number of objects, sounds, or events in a scene. This system is imprecise and hence differs from exact counting. Evidence suggests that the resolution of the ANS, as specified by a Weber fraction, increases with age such that adults can discriminate numerosities that infants cannot. However, the Weber fraction has yet to be determined for participants of any age between 9 months and adulthood, leaving its developmental trajectory unclear. Here we identify the Weber fraction of the ANS in 3-, 4-, 5-, and 6-year-old children and in adults. We show that the resolution of this system continues to increase throughout childhood, with adultlike levels of acuity attained surprisingly late in development. (PsycINFO Database Record (c) 2010 APA, all rights reserved) 相似文献
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Presents the minutes of the 1970 American Psychological Association (APA) Council of Representatives. The Council of Representatives met in Miami Beach, Florida on September 6, 1970 at the APA Annual Convention, and again in Washington, D.C., on October 3 and 4. These minutes constitute the official record of actions of the Association taken during the year. (PsycINFO Database Record (c) 2010 APA, all rights reserved) 相似文献
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These minutes constitute the official record of actions of the Association taken during the year, by both the Board of Directors and the Council of Representatives. (PsycINFO Database Record (c) 2010 APA, all rights reserved) 相似文献