{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"建立了采用全二维气相色谱-飞行时间质谱(GC×GC-TOFMS)分析烟草的中性化学成分的方法.以DB-Petro(50 m×200 μm×0.5 μm) 为第一维色谱柱,DB-1701(2.3 m×100 μm×0.1 μm)为第二维色谱柱;调制周期为8 s;柱头压力为550 kPa;采用程序升温方式,初始温度分别为80 ℃和85 ℃.采用所建立的方法对不同部位的烟叶、不同品种烟草中的25种中性香味成分含量进行了测定和对比.结果表明:云南楚雄产云烟85的中性香味成分(不包括新植二烯)的总量以中部叶最高,其次是上部叶,下部叶最少;国内外不同品种的烤烟中中性香味成分的含量高低顺序为:巴西烤烟最高,其次是津巴布韦烤烟、云烟85、中烟101、NC89、K326;4类烟草中中性香味成分含量最高的是香料烟,其次是白肋烟、烤烟、马里兰烟.","authors":[{"authorName":"鹿洪亮","id":"65bfad26-e088-462d-9858-9a7b47580aba","originalAuthorName":"鹿洪亮"},{"authorName":"赵明月","id":"d1308be3-b166-4f48-8ab9-50dd29087f14","originalAuthorName":"赵明月"},{"authorName":"刘惠民","id":"2218b563-aad7-418b-ab05-b771fdc65d52","originalAuthorName":"刘惠民"},{"authorName":"龚安达","id":"9221b1f2-5d65-43ad-9db8-cb6fa2a80a28","originalAuthorName":"龚安达"},{"authorName":"于静","id":"2c0e1b1b-dba0-4c36-a29e-c46b569acd3e","originalAuthorName":"于静"},{"authorName":"郑湖南","id":"00d72576-c7e5-4ff4-a5ab-8688f3b89e29","originalAuthorName":"郑湖南"},{"authorName":"<span style=\"color:red\">梁</span><span style=\"color:red\">俐</span><span style=\"color:red\">俐</span>","id":"be112154-55f5-44b3-b89a-729fddd912cd","originalAuthorName":"梁俐俐"},{"authorName":"李莉","id":"7825ac5a-f35f-4880-86ad-944beee6cdb0","originalAuthorName":"李莉"},{"authorName":"魏步建","id":"e3c328da-abd6-4fc7-9f24-d3de9ada2fcd","originalAuthorName":"魏步建"}],"doi":"10.3321/j.issn:1000-8713.2007.01.006","fpage":"30","id":"a1f8cb74-2b9c-4083-8ab6-7edbdc31d0c4","issue":"1","journal":{"abbrevTitle":"SP","coverImgSrc":"journal/img/cover/SP.jpg","id":"58","issnPpub":"1000-8713","publisherId":"SP","title":"色谱 "},"keywords":[{"id":"6631315b-f940-430f-b553-cb3933e7a832","keyword":"全二维气相色谱-飞行时间质谱","originalKeyword":"全二维气相色谱-飞行时间质谱"},{"id":"2be0ca9e-30ff-4091-a29b-d8fb033c6f07","keyword":"同时蒸馏萃取","originalKeyword":"同时蒸馏萃取"},{"id":"3ef5a62a-0d3e-4487-a9f8-c326d4e2f402","keyword":"中性化学成分","originalKeyword":"中性化学成分"},{"id":"097f8be2-ea73-495e-87ef-51733c43eeff","keyword":"烟草","originalKeyword":"烟草"}],"language":"zh","publisherId":"sp200701006","title":"全二维气相色谱-飞行时间质谱法测定烟草的中性化学成分","volume":"25","year":"2007"},{"abstractinfo":"本文研制了一套基于自发布里渊散射法的流体音速测量实验系统,分析得到该实验系统温度、压力测量的不确定度分别为0.02 K,10 kPa,音速测量的扩展不确定度为0.5％.测量了标准物质正戊烷310 K到470 K饱和液体和350 K到470 K饱和气体的音速,与文献值比较得到,该实验测量值的测量偏差为2.5％左右,验证了本实验系统的可靠性与稳定性.在温度为303.15 K～453.15 K,压力达5.5 MPa范围内,对燃料添加剂异丙醚的饱和液体和过冷液体的音速进行了测量,并依据实验数据给出了异丙醚音速的经验关联式,关联式的计算偏差为0.51％(饱和液体)和0.54％(过冷液体).","authors":[{"authorName":"郑雄","id":"97aa25a9-1d74-44de-903f-8d19b4ea726e","originalAuthorName":"郑雄"},{"authorName":"张颖","id":"be740cf7-af12-4d2b-86a1-e0f274a85cbe","originalAuthorName":"张颖"},{"authorName":"王升","id":"b9f6a310-f2e2-46bd-9ed8-2f6dfb7fa149","originalAuthorName":"王升"},{"authorName":"<span style=\"color:red\">梁</span><span style=\"color:red\">俐</span><span style=\"color:red\">俐</span>","id":"44db7485-3ef1-43c5-8384-b770f36bfebc","originalAuthorName":"梁俐俐"},{"authorName":"何茂刚","id":"bf91ba53-dc0e-4ebb-b2ed-0768c0dcd8bc","originalAuthorName":"何茂刚"}],"doi":"","fpage":"1874","id":"c2f4eaa4-ac08-47c6-875e-77e2290e7cc3","issue":"9","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":"c8226df5-a6f8-48ed-9ebe-ef532e7b8c2a","keyword":"布里渊散射","originalKeyword":"布里渊散射"},{"id":"aea98a3e-af20-48e9-9c9c-7459ad7d38b9","keyword":"异丙醚","originalKeyword":"异丙醚"},{"id":"bd98cbc9-21b0-4c00-9fcc-1579f81fada7","keyword":"音速","originalKeyword":"音速"},{"id":"057fbe57-d36b-4aa8-891c-a25018b4c2b9","keyword":"实验测量","originalKeyword":"实验测量"}],"language":"zh","publisherId":"gcrwlxb201509006","title":"自发布里渊散射法异丙醚音速的实验测量","volume":"36","year":"2015"},{"abstractinfo":"本文介绍了φ1200RPM管<span style=\"color:red\">梁</span>弯曲试验以及针对RPM管在工程应用中如何控制其<span style=\"color:red\">梁</span>弯曲变形进行了探讨.","authors":[{"authorName":"周仕刚","id":"ef0e0af5-3608-4e35-94e9-56ada439fd3f","originalAuthorName":"周仕刚"},{"authorName":"沈星万","id":"af4a4eef-138a-4d9e-a4e2-a899e3ef53d7","originalAuthorName":"沈星万"},{"authorName":"高永飞","id":"d95025bf-0ccd-4558-86a1-ddd5081ca799","originalAuthorName":"高永飞"},{"authorName":"薛元德","id":"5d1b5804-c116-401a-949d-d8090dd1667b","originalAuthorName":"薛元德"},{"authorName":"沈碧霞","id":"dbfd76bf-ad83-4894-8440-bb1cd3073b6b","originalAuthorName":"沈碧霞"}],"doi":"10.3969/j.issn.1003-0999.2001.04.002","fpage":"6","id":"8aa9a3bf-8770-44f6-9fa0-0da468f3f16c","issue":"4","journal":{"abbrevTitle":"BLGFHCL","coverImgSrc":"journal/img/cover/BLGFHCL.jpg","id":"6","issnPpub":"1003-0999","publisherId":"BLGFHCL","title":"玻璃钢/复合材料"},"keywords":[{"id":"361621c7-8baf-40d0-a2aa-b7e89d23a500","keyword":"RPM管<span style=\"color:red\">梁</span>弯曲应变控制","originalKeyword":"RPM管梁弯曲应变控制"}],"language":"zh","publisherId":"blgfhcl200104002","title":"RPM管<span style=\"color:red\">梁</span>弯曲试验及其<span style=\"color:red\">梁</span>弯曲应变的工程控制","volume":"","year":"2001"},{"abstractinfo":"考虑内部热传导,研究了格栅夹层<span style=\"color:red\">梁</span>一侧受热后的弯曲变形.认为变形后夹层结构中间腹板无弯曲.利用格栅夹层<span style=\"color:red\">梁</span>结构上的周期性,通过胞元结构的内力平衡方程和变形协调关系,得到了胞元两端内力和位移的关系.引入传递矩阵,建立了夹层<span style=\"color:red\">梁</span>内力和变形随温度变化的表达式.应用所建立的模型计算了悬臂格栅夹层<span style=\"color:red\">梁</span>在其上表面受热后的变形.在格栅夹层<span style=\"color:red\">梁</span>包含的胞元数量较多、腹板高度较小且厚度与表板厚度相近的情况下,由本文模型计算得到的挠度结果与有限元结果吻合较好.","authors":[{"authorName":"张锐","id":"c6c3af1d-19b4-4729-942f-34c30bb9e75c","originalAuthorName":"张锐"},{"authorName":"尚新春","id":"69755ca9-4b6b-4100-a234-744bfc229840","originalAuthorName":"尚新春"}],"doi":"","fpage":"1558","id":"86e647d2-0f7e-4323-95e0-0fa2e791822a","issue":"6","journal":{"abbrevTitle":"FHCLXB","coverImgSrc":"journal/img/cover/FHCLXB.jpg","id":"26","issnPpub":"1000-3851","publisherId":"FHCLXB","title":"复合材料学报"},"keywords":[{"id":"a72b255f-f9e8-4f4d-a7b4-f5524735c6a1","keyword":"格栅夹层结构","originalKeyword":"格栅夹层结构"},{"id":"7e7cd176-601e-43e8-ac15-eb4aa10f83df","keyword":"热弯曲","originalKeyword":"热弯曲"},{"id":"e90c6179-a561-4b15-843b-e5468d92a3c2","keyword":"变形","originalKeyword":"变形"},{"id":"fc685ed2-aecd-46ba-991e-b227b546ec7d","keyword":"胞元结构分析","originalKeyword":"胞元结构分析"},{"id":"a50b9198-c7f6-4bc3-9dbd-d1472a0e4905","keyword":"传递矩阵","originalKeyword":"传递矩阵"}],"language":"zh","publisherId":"fhclxb201406024","title":"格栅夹层<span style=\"color:red\">梁</span>的热弯曲变形","volume":"31","year":"2014"},{"abstractinfo":"提出一种基于Layerwise层合理论的复合阻尼结构<span style=\"color:red\">梁</span>单元用于计算嵌入多阻尼层的复合阻尼结构<span style=\"color:red\">梁</span>.通过与NASTRAN软件的计算结果进行对比,证明该<span style=\"color:red\">梁</span>单元满足层间位移、应力连续条件并避免了剪切自锁,并且具有单元数量和节点数量少、计算精度高的优点.","authors":[{"authorName":"张醒","id":"ff0c1c77-1f73-430f-80c9-7ac548963af2","originalAuthorName":"张醒"},{"authorName":"徐超","id":"9f3a9025-a671-4ef8-947a-785c9cf15615","originalAuthorName":"徐超"},{"authorName":"李莉","id":"892ad297-23ff-445b-9a38-6dec3ad8295d","originalAuthorName":"李莉"},{"authorName":"游少雄","id":"c77c795d-009f-4463-bb96-c3c060a436d4","originalAuthorName":"游少雄"}],"doi":"10.3969/j.issn.1007-2330.2007.06.004","fpage":"11","id":"664c6174-9e05-43e3-8f6a-f6c84c0aa95b","issue":"6","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":"a5779117-e732-4c40-bb8c-e607ebce7bba","keyword":"复合材料","originalKeyword":"复合材料"},{"id":"830a5808-ca57-4344-a395-516126b10ce6","keyword":"有限元","originalKeyword":"有限元"},{"id":"f38e2ee2-5889-4df6-b7be-a335aa0452e1","keyword":"层合理论","originalKeyword":"层合理论"}],"language":"zh","publisherId":"yhclgy200706004","title":"复合阻尼结构<span style=\"color:red\">梁</span>动力特性分析","volume":"37","year":"2007"},{"abstractinfo":"用金相、扫描电镜等分析方法,对开裂的客车纵<span style=\"color:red\">梁</span>进行了分析.结果表明,纵<span style=\"color:red\">梁</span>钢材冶金质量差,钢中存在较多的非金属夹杂物,降低了钢的力学性能;纵<span style=\"color:red\">梁</span>钢板外侧表面遭受外来敲击造成的条状凹陷伤痕,钢板热轧工艺不当,表层存在大块氧化夹杂物及微裂纹等热轧工艺缺陷,是导致其发生纵向开裂的主要原因.","authors":[{"authorName":"陈康敏","id":"315cd936-0248-4241-8af6-eaa160b1490d","originalAuthorName":"陈康敏"},{"authorName":"曹芬","id":"44330ccf-5d59-45e5-b0bf-f47675b016f4","originalAuthorName":"曹芬"},{"authorName":"潘励","id":"ebf9d54e-7ead-4be7-861c-0cb720b469af","originalAuthorName":"潘励"}],"doi":"10.3969/j.issn.1000-3738.2003.07.017","fpage":"52","id":"c265e335-73f2-4544-a7ae-510b445b7be8","issue":"7","journal":{"abbrevTitle":"JXGCCL","coverImgSrc":"journal/img/cover/JXGCCL.jpg","id":"45","issnPpub":"1000-3738","publisherId":"JXGCCL","title":"机械工程材料"},"keywords":[{"id":"00cf1b2a-d853-4e0f-af81-b45c7b7e32b2","keyword":"纵<span style=\"color:red\">梁</span>","originalKeyword":"纵梁"},{"id":"03365412-efd5-4ccd-9259-278c0956b3b0","keyword":"非金属夹杂物","originalKeyword":"非金属夹杂物"},{"id":"da656628-b850-451c-9be8-c85b782bbe89","keyword":"裂纹","originalKeyword":"裂纹"},{"id":"a03fca37-e6f9-462c-96be-7191a2ce5199","keyword":"失效分析","originalKeyword":"失效分析"}],"language":"zh","publisherId":"jxgccl200307017","title":"客车纵<span style=\"color:red\">梁</span>开裂原因分析","volume":"27","year":"2003"},{"abstractinfo":"由于层压板<span style=\"color:red\">梁</span>的各向异性,载荷下结构响应和刚度特性难以确定.为了解决有限元方法在进行复合层压板<span style=\"color:red\">梁</span>的结构分析时参数确定的难题,提出了一种层压板工字<span style=\"color:red\">梁</span>的应力分析方法,并在MATLAB上编程实现,通过与理论计算值和有限元软件ANSYS分析结果进行对比,证明该方法可行,且适合于进行参数化研究设计.","authors":[{"authorName":"王亚妮","id":"54d20ff8-3fb1-4f46-85ed-050a7d42e448","originalAuthorName":"王亚妮"},{"authorName":"袁昌盛","id":"2e8553d2-8d08-4a02-8768-54c3afb6ed12","originalAuthorName":"袁昌盛"},{"authorName":"孔德拴","id":"50f94a8b-eba3-44a8-80fc-381107b50526","originalAuthorName":"孔德拴"}],"doi":"10.3969/j.issn.1004-244X.2012.04.024","fpage":"79","id":"ece10a64-3962-486a-beac-81faa094a594","issue":"4","journal":{"abbrevTitle":"BQCLKXYGC","coverImgSrc":"journal/img/cover/BQCLKXYGC.jpg","id":"4","issnPpub":"1004-244X","publisherId":"BQCLKXYGC","title":"兵器材料科学与工程   "},"keywords":[{"id":"bf7af5b5-52a3-4a6a-bd86-75be8c815d35","keyword":"复合材料","originalKeyword":"复合材料"},{"id":"469d7da3-c661-4366-a1ea-4b0e133e72ac","keyword":"工字<span style=\"color:red\">梁</span>","originalKeyword":"工字梁"},{"id":"d46fd672-c2b4-4d37-9b07-e208050f2c1d","keyword":"截面特性","originalKeyword":"截面特性"},{"id":"b98fc1bc-fbf5-4c05-8163-80bc9d8606d4","keyword":"结构分析","originalKeyword":"结构分析"}],"language":"zh","publisherId":"bqclkxygc201204024","title":"复合材料工字<span style=\"color:red\">梁</span>结构分析","volume":"35","year":"2012"},{"abstractinfo":"某公司生产的货车在运行过程中发现枕<span style=\"color:red\">梁</span>下盖板开裂.对其进行化学成分分析、力学性能和金相检验以及对断口形貌扫描电镜进行观察.结果表明,枕<span style=\"color:red\">梁</span>下盖板的化学成分和力学性能符合要求,基体金相组织为铁素体+珠光体,枕<span style=\"color:red\">梁</span>下盖板受较大交变应力的作用,裂纹沿枕<span style=\"color:red\">梁</span>下盖板材料的轧制方向开裂,为疲劳断裂.","authors":[{"authorName":"王立辉","id":"ed7f253d-6646-4820-9380-d06f9986a483","originalAuthorName":"王立辉"},{"authorName":"但启安","id":"494c5d13-3093-4545-9b0a-0d8cf55926fd","originalAuthorName":"但启安"},{"authorName":"徐巍","id":"823cc435-dce4-4283-b7f1-5381534c7dc7","originalAuthorName":"徐巍"},{"authorName":"李庆晓","id":"17f6d0ff-f3c4-4625-b99b-65cac42da6e2","originalAuthorName":"李庆晓"}],"doi":"10.13228/j.boyuan.issn1001-0777.20160094","fpage":"49","id":"67abf39a-da87-411c-9a60-c06db4f7d714","issue":"3","journal":{"abbrevTitle":"WLCS","coverImgSrc":"journal/img/cover/WLCS.jpg","id":"64","issnPpub":"1001-0777","publisherId":"WLCS","title":"物理测试"},"keywords":[{"id":"360ac94b-6f78-460b-9ef0-129e906888e6","keyword":"盖板","originalKeyword":"盖板"},{"id":"3966765b-4012-45ae-a43c-aded0788bbd8","keyword":"裂纹","originalKeyword":"裂纹"},{"id":"12a659d8-de1b-484c-9beb-5504a9dc3661","keyword":"疲劳","originalKeyword":"疲劳"}],"language":"zh","publisherId":"wlcs201703011","title":"货车枕<span style=\"color:red\">梁</span>下盖板开裂分析","volume":"35","year":"2017"},{"abstractinfo":"本文提出了<span style=\"color:red\">梁</span>受到弯曲、剪切载荷时其挠度、应力应变以及局部和整体屈曲载荷、失效载荷的简单的设计公式.并用试验对其精确度和正确性进行了验证.","authors":[{"authorName":"丁尚宗","id":"a7cf296e-98dd-4538-8bc9-a3c7c69eeecd","originalAuthorName":"丁尚宗"}],"doi":"10.3969/j.issn.1003-0999.2002.02.003","fpage":"7","id":"e502faf5-8d0e-452a-8558-78b6f2696f17","issue":"2","journal":{"abbrevTitle":"BLGFHCL","coverImgSrc":"journal/img/cover/BLGFHCL.jpg","id":"6","issnPpub":"1003-0999","publisherId":"BLGFHCL","title":"玻璃钢/复合材料"},"keywords":[{"id":"40cb3659-1b4b-4c82-8463-b9b418de78de","keyword":"FRP拉挤型材","originalKeyword":"FRP拉挤型材"},{"id":"b6d14ab2-c9c7-42f5-b1e3-aad7a654057d","keyword":"<span style=\"color:red\">梁</span>结构","originalKeyword":"梁结构"},{"id":"9faa2df8-f4c7-4105-b8fa-e24febf5367d","keyword":"工程设计","originalKeyword":"工程设计"}],"language":"zh","publisherId":"blgfhcl200202003","title":"FRP<span style=\"color:red\">梁</span>结构的工程设计","volume":"","year":"2002"},{"abstractinfo":"对于混杂CFRP/GFRP筋高性能混凝土(HPC)<span style=\"color:red\">梁</span>,研究一种新的三维非线性<span style=\"color:red\">梁</span>壳组合单元,对HPC<span style=\"color:red\">梁</span>进行了全过程分析.引入实体退化壳单元理论,利用空间<span style=\"color:red\">梁</span>单元模拟预应力CFRP筋,并根据CFRP筋单元节点线位移和转角位移的协调性,推导CFRP筋单元对<span style=\"color:red\">梁</span>壳组合单元刚度矩阵的贡献,同时对GFRP筋和HPC<span style=\"color:red\">梁</span>采用分层壳单元模拟.并运用Jiang屈服准则、Madrid强化准则等描述混凝土的材料非线性,提出一种新的非线性<span style=\"color:red\">梁</span>壳组合单元,研制相应的三维非线性计算程序.计算结果与试验数据吻合良好,说明本文构造的非线性<span style=\"color:red\">梁</span>壳组合单元的正确性和研制程序的可靠性,以及混凝土材料非线性描述的合理性;采用组合单元能准确模拟CFRP筋的几何构形,能综合考虑其拉压弯剪性能,利于全面地反映配筋对结构的增强作用.","authors":[{"authorName":"张剑","id":"71e4167f-048b-42ea-a88b-e3f4c65ff808","originalAuthorName":"张剑"},{"authorName":"周储伟","id":"7e061473-e6c6-4f48-82e8-2feb082e934f","originalAuthorName":"周储伟"},{"authorName":"雷笑","id":"7e4c2f1d-a100-45ea-8c5b-3bf756eb1a51","originalAuthorName":"雷笑"},{"authorName":"叶见曙","id":"6b621cbf-bbdb-4f80-81e8-672fab01bdf2","originalAuthorName":"叶见曙"},{"authorName":"卓家寿","id":"563d0c34-20ee-428a-822e-c6ec650c5b0d","originalAuthorName":"卓家寿"}],"doi":"","fpage":"139","id":"d27ee44d-602b-42ca-953e-9978eaf8c9b6","issue":"4","journal":{"abbrevTitle":"FHCLXB","coverImgSrc":"journal/img/cover/FHCLXB.jpg","id":"26","issnPpub":"1000-3851","publisherId":"FHCLXB","title":"复合材料学报"},"keywords":[{"id":"fdd1329d-f2ec-4f17-971e-6d80f9ea5324","keyword":"CFRP筋","originalKeyword":"CFRP筋"},{"id":"8263ce8e-9adb-4dbd-9cc9-19ee2c627347","keyword":"GFRP筋","originalKeyword":"GFRP筋"},{"id":"fc0ed6b4-d5c4-43e8-ad1f-59bd9841a0a2","keyword":"<span style=\"color:red\">梁</span>壳组合单元","originalKeyword":"梁壳组合单元"},{"id":"c78d48e4-690b-48c9-91da-92c128a11b6c","keyword":"HPC<span style=\"color:red\">梁</span>","originalKeyword":"HPC梁"},{"id":"5b0fc356-5d13-4ad7-8839-74057619bcb0","keyword":"材料非线性","originalKeyword":"材料非线性"}],"language":"zh","publisherId":"fhclxb201004023","title":"混杂CFRP/GFRP筋HPC<span style=\"color:red\">梁</span>的非线性<span style=\"color:red\">梁</span>壳组合单元研究","volume":"27","year":"2010"}],"totalpage":75,"totalrecord":750}