{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"本文设计了三种不同的叶片扩压器与前期设计的100kW级离心压气机的叶轮进行匹配,并进行了数值模拟.结果显示三种叶片扩压器入口平均马赫数为0.8,流场内不存在局部超音区,避免出现激波与边界层的相互干涉以减小损失.扩压器入口气流角与设计值最大偏差小于4°.采用三种叶片扩压器的离心压气机总体性能均满足设计要求,尤其是采用<span style=\"color:red\">双</span><span style=\"color:red\">圆弧法</span>设计的翼型扩压器总体性能和内部流场分布都明显优于另外两种扩压器.","authors":[{"authorName":"崔伟伟","id":"e0af5e9e-0d7b-44c2-811c-2342d136769e","originalAuthorName":"崔伟伟"},{"authorName":"杜建一","id":"b4a77b0a-17d5-4970-887d-53465f6a7c34","originalAuthorName":"杜建一"},{"authorName":"徐建中","id":"9d358728-13a8-4b90-a3ab-3be4795ab07e","originalAuthorName":"徐建中"}],"doi":"","fpage":"259","id":"4f92e6d5-3a8d-4451-a547-35887eccae3f","issue":"2","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报   "},"keywords":[{"id":"4e9c2764-8258-4bef-bcc3-c580292e96ab","keyword":"叶片扩压器","originalKeyword":"叶片扩压器"},{"id":"9ddab14d-108b-4e58-bc48-e1b7d1aeac75","keyword":"<span style=\"color:red\">双</span><span style=\"color:red\">圆弧法</span>","originalKeyword":"双圆弧法"},{"id":"25a88ef4-0fb7-422d-bc95-75214b4301ca","keyword":"稠度","originalKeyword":"稠度"}],"language":"zh","publisherId":"gcrwlxb201002020","title":"离心压气机的叶片扩压器设计及流场分析","volume":"31","year":"2010"},{"abstractinfo":"为了解决目前凿岩钎具尾孔加工过程中存在的工艺性差,加工效率低,加工出来的直孔与<span style=\"color:red\">圆弧</span>孔连接不好等缺陷;本文通过用一种新型的<span style=\"color:red\">双</span>孔内排屑<span style=\"color:red\">圆弧</span>钻头来代替传统BTA钻头在数控深孔钻床上对凿岩钎头尾孔加工过程的大量研究,探索出了一种用新型<span style=\"color:red\">双</span>孔内排屑<span style=\"color:red\">圆弧</span>钻头加工凿岩钎具尾孔的先进工艺,能在不更换刀具的情况下将凿岩钎具尾孔的直孔与<span style=\"color:red\">圆弧</span>孔部分一次加工成型,并使生产效率提升一倍以上,尾孔表面粗糙度可达到Ra0.8～3.2,极大地提高了凿岩钎具尾孔加工的质量和效率.","authors":[{"authorName":"张友才","id":"56b3bdd3-c0d4-40f9-91cf-7098731481bb","originalAuthorName":"张友才"},{"authorName":"马绍宏","id":"8a324e66-778b-4c9e-b35b-29eaad47e79f","originalAuthorName":"马绍宏"}],"doi":"10.3969/j.issn.1003-7292.2016.03.008","fpage":"194","id":"a48ee057-a6c1-4773-9404-12b534b26036","issue":"3","journal":{"abbrevTitle":"YZHJ","coverImgSrc":"journal/img/cover/YZHJ.jpg","id":"75","issnPpub":"1003-7292","publisherId":"YZHJ","title":"硬质合金"},"keywords":[{"id":"c8bb2feb-168b-460a-abd5-8d297c1fba48","keyword":"硬质合金","originalKeyword":"硬质合金"},{"id":"1cd22fe3-b6fc-4bd4-959f-f4dca23b1c3b","keyword":"涂层技术","originalKeyword":"涂层技术"},{"id":"ee134ecb-80eb-48c3-a8e8-deb4a05fa2d6","keyword":"深孔加工","originalKeyword":"深孔加工"},{"id":"3e47a5fa-cffe-418b-9984-3f7e95e638df","keyword":"BTA","originalKeyword":"BTA"},{"id":"45131d62-5017-4692-828c-df155abc83ed","keyword":"<span style=\"color:red\">双</span>孔<span style=\"color:red\">圆弧</span>钻头","originalKeyword":"双孔圆弧钻头"}],"language":"zh","publisherId":"yzhj201603008","title":"一种错齿<span style=\"color:red\">双</span>孔<span style=\"color:red\">圆弧</span>深孔钻头设计与应用研究","volume":"33","year":"2016"},{"abstractinfo":"在小半径<span style=\"color:red\">圆弧</span>面切向残余应力的X射线衍射测量中,对于每个名义Ψ0角,X射线照射区域各点的实际Ψ0角是连续变化的.为了便于分析,本文建议采用X射线吸收因子恒定的侧倾<span style=\"color:red\">法</span>进行测量.在此条件下,本文的推导结果表明,当入射线X射线束的中心与试件待测区域的中心重合时,能够测得的各名义Ψ0角的平均衍射角2θ与sin2Ψ0之间存在线性关系,并且可以利用测定平板试样残余应力同样的公式计算切向残余应力σφ.在实际测量中,上述两个中心不可能完全重合.为此,可以利用本文推荐的成对正、负Ψ0线性拟合和<span style=\"color:red\">双</span>侧取点抛物线拟合两种方法来选择名义Ψ0角,并进行数据处理.半径分别等于1.5、2.5和5.0mm的三根圆柱形喷丸试样的试验结果说明,上述两种方法都可以给出正确的切向残余应力测量结果.","authors":[{"authorName":"赵升升","id":"7f38c00e-516a-4a0d-b3ee-3810d913f3eb","originalAuthorName":"赵升升"},{"authorName":"尧燕","id":"3b695b10-2b02-4459-8787-ff91e129e25c","originalAuthorName":"尧燕"},{"authorName":"钟健","id":"dd752da3-a2c0-4b80-b83c-d7aed0eacdc0","originalAuthorName":"钟健"},{"authorName":"李家宝","id":"1114d406-3082-4cdd-a792-c999598d02b9","originalAuthorName":"李家宝"}],"doi":"","fpage":"536","id":"0458ee3c-a4c7-4768-8f8b-16450ae5b6e7","issue":"4","journal":{"abbrevTitle":"CLKXYGCXB","coverImgSrc":"journal/img/cover/CLKXYGCXB.jpg","id":"13","issnPpub":"1673-2812","publisherId":"CLKXYGCXB","title":"材料科学与工程学报"},"keywords":[{"id":"cac19fff-025b-41c7-85e3-94d6ac9746c0","keyword":"X射线应力测定","originalKeyword":"X射线应力测定"},{"id":"1ff574a5-8a60-4908-8c60-1a231bd203a8","keyword":"小半径<span style=\"color:red\">圆弧</span>面","originalKeyword":"小半径圆弧面"},{"id":"fa597790-8463-4624-9a94-f7dfd2c140fe","keyword":"切向残余应力","originalKeyword":"切向残余应力"}],"language":"zh","publisherId":"clkxygc201404014","title":"利用X射线测定小半径<span style=\"color:red\">圆弧</span>面切向残余应力的方法","volume":"32","year":"2014"},{"abstractinfo":"阐述转炉<span style=\"color:red\">双</span>联<span style=\"color:red\">法</span>冶炼工艺的主要技术特点,重点介绍了与常规转炉冶炼相比,<span style=\"color:red\">双</span>联<span style=\"color:red\">法</span>冶炼工艺及其消耗指标的优越性.转炉<span style=\"color:red\">双</span>联<span style=\"color:red\">法</span>冶炼工艺在提高生产效率、提高产品质量、降低生产成本和减轻环境污染等方面均具有一定优势.","authors":[{"authorName":"孙礼明","id":"586eeab8-8fb4-4f9b-a3e0-fdb2b442adff","originalAuthorName":"孙礼明"}],"doi":"10.3969/j.issn.1001-7208.2005.02.012","fpage":"44","id":"999c7a3f-d326-43bf-87fe-6673e3ad4c88","issue":"2","journal":{"abbrevTitle":"SHJS","coverImgSrc":"journal/img/cover/SHJS.jpg","id":"59","issnPpub":"1001-7208","publisherId":"SHJS","title":"上海金属"},"keywords":[{"id":"e3e2f9ad-871b-4ec7-8802-a6f1df7e1903","keyword":"转炉","originalKeyword":"转炉"},{"id":"b3d42cc2-2340-48d4-894a-8f596f5ca5a8","keyword":"<span style=\"color:red\">双</span>联<span style=\"color:red\">法</span>冶炼","originalKeyword":"双联法冶炼"},{"id":"3c3c1695-1b19-4845-80ab-086b48f94a65","keyword":"脱磷工艺","originalKeyword":"脱磷工艺"},{"id":"b64dda9e-5ee9-48ab-9977-2fc4a332cd3c","keyword":"少渣冶炼","originalKeyword":"少渣冶炼"}],"language":"zh","publisherId":"shjs200502012","title":"转炉<span style=\"color:red\">双</span>联<span style=\"color:red\">法</span>冶炼工艺及其特点","volume":"27","year":"2005"},{"abstractinfo":"用径向<span style=\"color:red\">法</span>测量了经编<span style=\"color:red\">双</span>轴向玻璃纤维织物的渗透率,研究了织物结构、纤维体积分数和注入压力对渗透率的影响.实验表明,经编<span style=\"color:red\">双</span>轴向玻璃纤维织物的渗透率呈各向异性,随着纤维体积分数增大,织物渗透率减小,各向异性的程度增加.在低的纤维体积分数下,低的注入压力影响渗透率的精确测量,注入压力增大到一定值时,纤维渗透率保持恒定.","authors":[{"authorName":"刘井红","id":"4dd51005-c8c3-42b1-a8be-6549592b9ab5","originalAuthorName":"刘井红"},{"authorName":"吴晓青","id":"ce40f6ca-2cac-4491-8ff6-905c75b3444c","originalAuthorName":"吴晓青"}],"doi":"10.3969/j.issn.1007-2330.2007.01.014","fpage":"55","id":"fbd5b829-a4b4-46a3-aa61-d0c02e2ca8a4","issue":"1","journal":{"abbrevTitle":"YHCLGY","coverImgSrc":"journal/img/cover/YHCLGY.jpg","id":"77","issnPpub":"1007-2330","publisherId":"YHCLGY","title":"宇航材料工艺   "},"keywords":[{"id":"24e42dbf-34c1-49b5-8467-ba86b7899bdb","keyword":"树脂传递模塑","originalKeyword":"树脂传递模塑"},{"id":"9ea23d13-3211-4581-b183-6b6e87caf9c0","keyword":"各向异性","originalKeyword":"各向异性"},{"id":"9008ddd9-7706-4690-8f80-f4c48d8552c2","keyword":"渗透率","originalKeyword":"渗透率"},{"id":"3d7e9d09-8afd-4689-ad4d-4b154bf85dc7","keyword":"经编<span style=\"color:red\">双</span>轴向织物","originalKeyword":"经编双轴向织物"}],"language":"zh","publisherId":"yhclgy200701014","title":"径向<span style=\"color:red\">法</span>测量经编<span style=\"color:red\">双</span>轴向织物渗透率","volume":"37","year":"2007"},{"abstractinfo":"利用非线性动力响应有限元分析程序(DYNA3D),对无机/有机复合<span style=\"color:red\">圆弧</span>风挡的设计方案的抗鸟撞能力进行了数值模拟分析.根据数值分析得到的应力、应变和位移等结果,采用3.5mmGlass+2.5mmPU+10PMMA结构的风挡可抵抗550km/h的鸟撞击.分析结果的可靠性得到后来试验结果的证实.","authors":[{"authorName":"臧曙光","id":"f0f4eb1f-99bf-4bf4-b85f-a50bb5b32ddc","originalAuthorName":"臧曙光"},{"authorName":"马眷荣","id":"cdacd121-98fd-4719-a6c0-59ab41b5a265","originalAuthorName":"马眷荣"},{"authorName":"秦海霞","id":"62fd957b-7fde-4183-ada4-66bfa7e8de6b","originalAuthorName":"秦海霞"},{"authorName":"石新勇","id":"2e574d19-92e8-4937-a620-b10ecec14296","originalAuthorName":"石新勇"}],"doi":"10.3969/j.issn.1005-5053.2003.z1.042","fpage":"183","id":"e6eade53-8767-4233-a5f5-53023127f12d","issue":"z1","journal":{"abbrevTitle":"HKCLXB","coverImgSrc":"journal/img/cover/HKCLXB.jpg","id":"41","issnPpub":"1005-5053","publisherId":"HKCLXB","title":"航空材料学报"},"keywords":[{"id":"b6c8c8c7-e5f4-4e92-b9ef-f76808cdc949","keyword":"<span style=\"color:red\">圆弧</span>风挡","originalKeyword":"圆弧风挡"},{"id":"18fb7db4-b7eb-4128-891a-20f0ba0f85d9","keyword":"抗鸟撞能力","originalKeyword":"抗鸟撞能力"},{"id":"cb9227f8-b768-43a7-8a5c-53ade87a3233","keyword":"数值模拟分析","originalKeyword":"数值模拟分析"}],"language":"zh","publisherId":"hkclxb2003z1042","title":"无机/有机复合<span style=\"color:red\">圆弧</span>风挡抗鸟撞能力数值分析","volume":"23","year":"2003"},{"abstractinfo":"Z型框缘类零件是组成飞机骨架的主要受力零件,传统的加工方法无法保证零件的成形精度和表面质量.本文根据数控四轴滚弯成形的功能和工艺特点,在机床响应工步范围内,提出了变曲率零件外形轮廓等<span style=\"color:red\">圆弧</span>逼近算法,对变曲率零件外形轮廓简化成有限段等曲率弧段,并对各弧段曲率半径的回弹量做了补偿修正,完成了复杂变曲率Z型材连续滚弯成形和加工精度的控制.成形零件经标准检验样板检测发现:相比以往CAD手动划分滚弯加工,等<span style=\"color:red\">圆弧</span>逼近算法对零件的外形轮廓弧段的合理划分,有效提高了复杂变曲率Z型材零件的滚弯成形精度和加工效率.","authors":[{"authorName":"陈鹏","id":"9534e8c2-af9e-4cd8-9eec-be06905c06e5","originalAuthorName":"陈鹏"},{"authorName":"薛红前","id":"c5886d68-1ca4-4132-aabf-700ff713f3ec","originalAuthorName":"薛红前"},{"authorName":"王杰","id":"7e75f9e4-cc4c-4901-91f8-aaae1d5e1dd8","originalAuthorName":"王杰"},{"authorName":"张小平","id":"8e48750b-9820-4448-9799-4d31362a6d36","originalAuthorName":"张小平"},{"authorName":"刘平利","id":"3824f13d-a980-452e-b193-59884e639345","originalAuthorName":"刘平利"}],"doi":"","fpage":"68","id":"d1a7eb7c-378e-49d0-84c4-396858215592","issue":"1","journal":{"abbrevTitle":"CLKXYGY","coverImgSrc":"journal/img/cover/CLKXYGY.jpg","id":"14","issnPpub":"1005-0299","publisherId":"CLKXYGY","title":"材料科学与工艺"},"keywords":[{"id":"374277bd-a0e0-4471-87b0-503654e6a42f","keyword":"滚弯成形","originalKeyword":"滚弯成形"},{"id":"871da6cf-04db-4a93-a824-686c592b6fe7","keyword":"变曲率","originalKeyword":"变曲率"},{"id":"a021dc69-bded-4981-bbc4-6239f66e89f3","keyword":"等<span style=\"color:red\">圆弧</span>逼近算法","originalKeyword":"等圆弧逼近算法"},{"id":"2ac52db6-21b0-44e6-aff1-4f6cff1044cb","keyword":"弧段划分","originalKeyword":"弧段划分"},{"id":"3528801c-6dfd-443b-a507-9fdc4f682930","keyword":"Z型材","originalKeyword":"Z型材"}],"language":"zh","publisherId":"clkxygy201401012","title":"Z型材变曲率数控滚弯等<span style=\"color:red\">圆弧</span>逼近算法与实现","volume":"22","year":"2014"},{"abstractinfo":"通过水模试验的方法测量了转炉<span style=\"color:red\">双</span>联<span style=\"color:red\">法</span>在不同喷吹条件下熔池运动的基本参数.试验结果表明,脱磷炉底吹供气强度超过0.30m3/(t·min)时,增加供气量对缩短混匀时间作用不明显.熔池中有10％(质量分数)废钢时,混匀时间平均延长63％.用高供氧强度吹炼(5m3/(t·min)),脱碳的喷溅率比正常供氧量有很大提高.采用喷孔交错布置喷头和适当加大炉容比可以降低喷溅率.","authors":[{"authorName":"杨文远","id":"36b5d3d3-b64e-4d8b-a83d-14b79a34ca50","originalAuthorName":"杨文远"},{"authorName":"侯春","id":"f7a8068f-8183-4e22-8d04-90b16a04a882","originalAuthorName":"侯春"},{"authorName":"崔怀周","id":"a1829841-ff6a-4969-8da9-2e229a6f07c1","originalAuthorName":"崔怀周"},{"authorName":"高卫涛","id":"96129286-f747-4e2e-a10c-7ba715b8bf0d","originalAuthorName":"高卫涛"},{"authorName":"王明林","id":"2d4bd2e6-dcc7-4423-ad0d-64e86234bec7","originalAuthorName":"王明林"}],"doi":"","fpage":"39","id":"30c1d4a2-b214-4290-93e8-f9532661ebda","issue":"1","journal":{"abbrevTitle":"GT","coverImgSrc":"journal/img/cover/GT.jpg","id":"27","issnPpub":"0449-749X","publisherId":"GT","title":"钢铁"},"keywords":[{"id":"fa53e844-6209-4b9d-9e02-80ca2a4e26af","keyword":"转炉","originalKeyword":"转炉"},{"id":"9753f48d-78f0-4064-b811-a7d817a54982","keyword":"<span style=\"color:red\">双</span>联<span style=\"color:red\">法</span>","originalKeyword":"双联法"},{"id":"4acbd760-ab16-4b88-8a5f-404df7b07cf6","keyword":"脱磷","originalKeyword":"脱磷"},{"id":"baac04b2-0469-4989-8c7f-651499e228fa","keyword":"脱碳","originalKeyword":"脱碳"},{"id":"1f4096d6-3389-449f-a88e-b21e795f5ae9","keyword":"喷溅","originalKeyword":"喷溅"}],"language":"zh","publisherId":"gt201401008","title":"转炉<span style=\"color:red\">双</span>联<span style=\"color:red\">法</span>炼钢的水模试验","volume":"49","year":"2014"},{"abstractinfo":"为满足用户对钢中磷含量的要求,攀钢采用＂<span style=\"color:red\">双</span>渣<span style=\"color:red\">法</span>＂转炉脱磷工艺开展脱磷试验,并根据生产条件和转炉工艺特点考察转炉脱磷专用氧枪的实际使用效果。试验中,转炉工艺冶炼前期低温脱磷,后期脱碳升温,吹炼前期采用低供氧强度脱磷喷枪,倒渣时切换为常规吹炼喷枪。在吹炼脱磷前期结束扒渣后,熔池中的w（[P]）下降至0.040%以下,脱磷率为47.9%。在试验终点钢水中的w（[P]）均在0.010%以下,波动范围在0.006%～0.010%,w（[P]）的平均值是0.0081%。终点脱磷率波动范围是84.4%～92%,平均值是88.3%。","authors":[{"authorName":"何肖飞","id":"49bbaebe-e930-4d09-9454-f433a73432f7","originalAuthorName":"何肖飞"},{"authorName":"王新华","id":"adb63b6c-213c-4f5b-8d6b-20c2eb915827","originalAuthorName":"王新华"},{"authorName":"陈书浩","id":"89a559a2-2cdf-46bf-a00c-cbac3490ce10","originalAuthorName":"陈书浩"},{"authorName":"王万军","id":"16643685-0ef7-4071-9a62-63076694b923","originalAuthorName":"王万军"}],"doi":"","fpage":"32","id":"5e97ad5c-c3ae-467d-bfaa-04858e7edaaf","issue":"4","journal":{"abbrevTitle":"GT","coverImgSrc":"journal/img/cover/GT.jpg","id":"27","issnPpub":"0449-749X","publisherId":"GT","title":"钢铁"},"keywords":[{"id":"a9f13783-ee45-45b4-9c20-1ae5d67e8c37","keyword":"脱磷","originalKeyword":"脱磷"},{"id":"6ba39ed7-7e88-4cf5-8663-63059c5a1cc3","keyword":"<span style=\"color:red\">双</span>渣<span style=\"color:red\">法</span>","originalKeyword":"双渣法"},{"id":"55b45d5d-13e7-4bba-9263-0e6493c58f0b","keyword":"氧枪","originalKeyword":"氧枪"},{"id":"e3dc21fe-dd4a-40a9-8a1d-a56a4a081e6c","keyword":"炉渣","originalKeyword":"炉渣"},{"id":"1a582b2d-f327-4ba8-8133-fcde4b872d46","keyword":"碱度","originalKeyword":"碱度"}],"language":"zh","publisherId":"gt201204009","title":"攀钢转炉<span style=\"color:red\">双</span>渣<span style=\"color:red\">法</span>脱磷的试验研究","volume":"47","year":"2012"},{"abstractinfo":"为满足用户对钢中磷含量的要求，攀钢采用“<span style=\"color:red\">双</span>渣<span style=\"color:red\">法</span>”转炉脱磷工艺开展脱磷试验，并根据生产条件和转炉工艺特点考察转炉脱磷专用氧枪的实际使用效果。试验中，转炉工艺冶炼前期低温脱磷，后期脱碳升温，吹炼前期采用低供氧强度脱磷喷枪，倒渣时切换为常规吹炼喷枪。在吹炼脱磷前期结束扒渣后，熔池中的w(［P］)下降至0040%以下，脱磷率为47.9%。在试验终点钢水中的w(［P］)均在0.010%以下，波动范围在0.006%~0.010%，w(［P］)的平均值是0.0081%。终点脱磷率波动范围是84.4%~92%，平均值是88.3%。","authors":[{"authorName":"何肖飞","id":"8e86dbbe-9c53-493a-97a8-d5890df7f57e","originalAuthorName":"何肖飞"},{"authorName":"王新华","id":"5599ef59-9d27-48fe-bcbc-3a705eb7abd6","originalAuthorName":"王新华"},{"authorName":"陈书浩","id":"eb313f18-afb5-4715-9ae7-d8d97f731feb","originalAuthorName":"陈书浩"},{"authorName":"王万军","id":"2776f2c0-29f6-4e9d-81e9-ce1f686c39db","originalAuthorName":"王万军"}],"categoryName":"|","doi":"","fpage":"32","id":"882c35e5-4449-4018-b3ce-96f16fa10d98","issue":"4","journal":{"abbrevTitle":"GT","coverImgSrc":"journal/img/cover/GT.jpg","id":"27","issnPpub":"0449-749X","publisherId":"GT","title":"钢铁"},"keywords":[{"id":"bb7f219c-9756-421a-8af7-bcd0d9aae84c","keyword":"脱磷 ","originalKeyword":"脱磷 "},{"id":"461ced90-2765-456d-8df2-adb41c9febe8","keyword":"  double slag process ","originalKeyword":"  double slag process "},{"id":"6f48bf4a-b25c-4d32-ac7a-fe5cd3074be1","keyword":"  oxygen lance ","originalKeyword":"  oxygen lance "},{"id":"30d4062d-003b-4d72-b553-bf97093410ec","keyword":"  slag ","originalKeyword":"  slag "},{"id":"7575486b-63f4-493e-b262-5dd9ca2eb888","keyword":"  basicity","originalKeyword":"  basicity"}],"language":"zh","publisherId":"0449-749X_2012_4_5","title":"攀钢转炉<span style=\"color:red\">双</span>渣<span style=\"color:red\">法</span>脱磷的试验研究","volume":"47","year":"2012"}],"totalpage":3926,"totalrecord":39252}