发布求助
文献互助 智能选刊 最新文献

Jurnal Kimia Mulawarman最新文献

筛选
英文 中文
UTILIZATION OF CORN FLOW AMERICA (Zea Mays) AS A SOURCE OF SILICA ON THE MAKING OF Na / SBA-15 CATALYSTES FOR TRANSESTERIFICATION REACTION OF OIL JELANTAH 摘要利用美国玉米(Zea Mays)作为二氧化硅源制备Na / SBA-15油鳗酯交换反应催化剂
Jurnal Kimia Mulawarman Pub Date : 2019-01-25 DOI: 10.30872/JKM.V16I1.621
Drajat Bangun Utomo, R. D. J. Subagyono, R. Gunawan
{"title":"UTILIZATION OF CORN FLOW AMERICA (Zea Mays) AS A SOURCE OF SILICA ON THE MAKING OF Na / SBA-15 CATALYSTES FOR TRANSESTERIFICATION REACTION OF OIL JELANTAH","authors":"Drajat Bangun Utomo, R. D. J. Subagyono, R. Gunawan","doi":"10.30872/JKM.V16I1.621","DOIUrl":"https://doi.org/10.30872/JKM.V16I1.621","url":null,"abstract":"Preparation of Na / SBA-15 from corn leaves ash (Zea mays) as a substitute for TEOS (Tetraethyl Orthosilicate) applied as a heterogeneous catalyst in the transesterification reaction of used palm oil and methanol has been performed. The preparation of SBA-15 was conducted by surfactant template method and modification with Na was conducted by impregnation method. SBA-15 from corn leaves ash has a pore size ranging from 4.9 nm to 9.3 nm, a surface area of ​​595 m2/ g, a pore diameter of 3.95 nm and a pore volume of 0.99 cm3/ g. The yeild obtained from the first transesterification process was 96.46% with the free fatty acid content of the product 0.16 mg KOH/ g. The two most prominent methyl ester based on the chromatogram of the transesterification product, the two most prominent methyl ester in the product were methyl palmitate (36,32%) and methyl oleat (36,15%). \u0000  \u0000Keywords : Maize, SBA-15, TEOS (Tetraethyl Orthosilicate), Transesterification of used palm oil \u0000 ","PeriodicalId":31725,"journal":{"name":"Jurnal Kimia Mulawarman","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47113234","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
ISOLATION AND CHARACTERIZATION OF TERPENOID COMPOUNDS FROM LEAVES OF Macaranga beccariana Merr. 小金刚鹦鹉叶片萜类化合物的分离与鉴定。
Jurnal Kimia Mulawarman Pub Date : 2018-11-29 DOI: 10.30872/JKM.V16I1.670
Doni Prio Atmoko, E. Marliana, Erwin Erwin
{"title":"ISOLATION AND CHARACTERIZATION OF TERPENOID COMPOUNDS FROM LEAVES OF Macaranga beccariana Merr.","authors":"Doni Prio Atmoko, E. Marliana, Erwin Erwin","doi":"10.30872/JKM.V16I1.670","DOIUrl":"https://doi.org/10.30872/JKM.V16I1.670","url":null,"abstract":"Isolation and characterization of terpenoid compounds from ethyl acetate fraction of Macaranga beccariana Merr. have been done. The separation process at ethyl acetate fraction using gravity column chromatography with gradient elution method. The obtained isolates were tested for purity using thin layer chromatography with various eluents namely n-hexane, chloroform, methanol, acetone and ethyl acetate with Rf values 0; 0.75; 0.80; 0.87 and 0.97 respectively. The terpenoids which were successfully isolated were white crystals with a mass of 0.0119 grams. UV analysis produced 1 peak at l 207.03 nm. Analysis of compounds with FT-IR indicated the functional groups O-H, aliphatic C-H, aliphatic C=C, C-O and C=O. Based on the results of the UV and FT-IR spectrum, the isolate compounds were thought to contain terpenoids.","PeriodicalId":31725,"journal":{"name":"Jurnal Kimia Mulawarman","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48381664","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
ANALISIS SIFAT TERMAL DAN UJI KELARUTAN DARI KARET ALAM SIKLIS DAN KARET ALAM CAIR SIKLIS 确定类ALAM-CARTES和交叉ALAM-carts的SIFET分析和交叉检验
Jurnal Kimia Mulawarman Pub Date : 2018-11-29 DOI: 10.30872/JKM.V16I1.481
Leni Widiarti, Basuki Wirjosentono, Eddyanto Eddyanto
{"title":"ANALISIS SIFAT TERMAL DAN UJI KELARUTAN DARI KARET ALAM SIKLIS DAN KARET ALAM CAIR SIKLIS","authors":"Leni Widiarti, Basuki Wirjosentono, Eddyanto Eddyanto","doi":"10.30872/JKM.V16I1.481","DOIUrl":"https://doi.org/10.30872/JKM.V16I1.481","url":null,"abstract":"Abstract. The research has done analysis of thermal properties and solubility test of Cyclic Natural Rubber (CNR) and Cyclic Liquid Natural Rubber (CLNR). Cyclic Liquid Natural Rubber (CLNR) is a cyclical natural rubber which has decreased molecular weight. Synthesis of Cyclic Liquid Natural Rubber (CLNR) do by oxidative degradation after cyclic.  Oxidative degradation after cyclic using Cyclic Natural Rubber (CNR) and phenylhydrazine reagent with flow rate 2 LMin-1 of oxygen atmosphere during 24 hours. Thermal analysis of Cyclic Natural Rubber (CNR) and Cyclic Liquid Natural Rubber (CLNR) by Differential Scanning Calorimetry (DSC),the glass transition temperature (Tg) of Cyclic Natural Rubber (CNR) and Cyclic Liquid Natural Rubber (CLNR) are 102,82  o C and 103,67 o C, the crystal transition temperature (Tc) of Cyclic Natural Rubber (CNR) and Cyclic Liquid Natural Rubber (CLNR) are 362,45 o C and 330,29 o C and the melting transition temperature ( Tm) of Cyclic Natural Rubber (CNR) and Cyclic Liquid Natural Rubber (CLNR) are 509,24 o C and 440,00 o C. Solubility test by dilute Cyclic Natural Rubber (CNR) and Cyclic Liquid Natural Rubber (CLNR) in some solvent with different properties and polarity index. Solubility test shows the results Cyclic Natural Rubber (CNR) and Cyclic Liquid Natural Rubber (CLNR)  has polarity index around 2,4 – 4,4 and 2,4 and 4,4.               \u0000Keywords: CLNR, CNR, oxidative degradation","PeriodicalId":31725,"journal":{"name":"Jurnal Kimia Mulawarman","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49356279","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
SYNTHESIS AND PRELIMINARY EVALUATION OF 3,3’-DIHYDROXY-4,4’-DIMETHOXYDIBENZYLIDENEACETONE AS SUNSCREEN AND ANTIOXIDANT ACTIVE COMPOUND 防晒抗氧化活性化合物3,3′-二羟基-4,4′-二甲氧基二苄基丙酮的合成及初步评价
Jurnal Kimia Mulawarman Pub Date : 2018-11-29 DOI: 10.30872/jkm.v16i1.665
Harizal Harizal, Ariyo Prabowo Hidayanto, N. Sari
{"title":"SYNTHESIS AND PRELIMINARY EVALUATION OF 3,3’-DIHYDROXY-4,4’-DIMETHOXYDIBENZYLIDENEACETONE AS SUNSCREEN AND ANTIOXIDANT ACTIVE COMPOUND","authors":"Harizal Harizal, Ariyo Prabowo Hidayanto, N. Sari","doi":"10.30872/jkm.v16i1.665","DOIUrl":"https://doi.org/10.30872/jkm.v16i1.665","url":null,"abstract":"Synthesis and preliminary evaluation of 3,3’-dihydroxy-4,4’-dimethoxydibenzylidenacetone (DDB) as sunscreen and antioxidant have been successfully conducted. The compound was prepared throught acid catalyzed condensation reaction between vanillin and aceton using saturated HCl solution in glacial acetic acid. Pre-evaluation of sunscreen active compound candidate was performed by determining electronic absorbance profile, lamdamax, e, lamda c, UVA/UVB ratio, and photostability. While antioxidant activity test was performed using DPPH radical scavenger method. Based on the results obtained, the compound obtained has very good protective effect in UVA regions with high antioxidant activity.","PeriodicalId":31725,"journal":{"name":"Jurnal Kimia Mulawarman","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49106132","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
ACTIVITIES OF AMYLASE, PROTEASE and LIPASE FROM HONEY Trigona sp, Apis mellifera and Apis dorsata 三棱蜜、香蜂和背蜂淀粉酶、蛋白酶和脂肪酶的活性
Jurnal Kimia Mulawarman Pub Date : 2018-11-29 DOI: 10.30872/jkm.v16i1.433
Hendric Surya Putra, Winni Astuti, R. Kartika
{"title":"ACTIVITIES OF AMYLASE, PROTEASE and LIPASE FROM HONEY Trigona sp, Apis mellifera and Apis dorsata","authors":"Hendric Surya Putra, Winni Astuti, R. Kartika","doi":"10.30872/jkm.v16i1.433","DOIUrl":"https://doi.org/10.30872/jkm.v16i1.433","url":null,"abstract":"Activities of amylase, protease and lipase from honey Trigona sp, Apis mellifera and Apis dorsata, determination protein concentration and the activity protease done with Bradford method, the determination of the glucose standard and activity amylase done with 3,5-dinitro salicylic acid (DNS) method and activity lipase done with acid-base titration with coconut oil substrate. The honey from Trigona sp has value of the activity amylase and lipase respectively by 0,0136 U / mg and 0,359 U/mg, whereas honey Apis mellifera has activity of protease, amylase and lipase of each 1,22 x 10-6 U/mg; 0,944 U/mg and 0,304 U/mg and then honey Apis dorsata has amylase and lipase activity of each of 0,0645 U/mg and 0,287 U/mg.","PeriodicalId":31725,"journal":{"name":"Jurnal Kimia Mulawarman","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49537182","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
MODIFIKASI KOPOLIMER KARET ALAM SIKLIS GRAFTING ASAM OLEAT MENGGUNAKAN INISIATOR BENZOIL PEROKSIDA DAN BAHAN PENGISI BENTONIT-CETIL TRIMETIL AMONIUM BROMIDA 溴化铵苯引发剂与巴韩苯甲酸乙酯
Jurnal Kimia Mulawarman Pub Date : 2018-11-29 DOI: 10.30872/jkm.v16i1.726
A. Ritonga, Barita Aritonang, L. Zai
{"title":"MODIFIKASI KOPOLIMER KARET ALAM SIKLIS GRAFTING ASAM OLEAT MENGGUNAKAN INISIATOR BENZOIL PEROKSIDA DAN BAHAN PENGISI BENTONIT-CETIL TRIMETIL AMONIUM BROMIDA","authors":"A. Ritonga, Barita Aritonang, L. Zai","doi":"10.30872/jkm.v16i1.726","DOIUrl":"https://doi.org/10.30872/jkm.v16i1.726","url":null,"abstract":"Research on the modification of Cyclic Natural Rubber (CNR) grafting Oleic Acid (OA) copolymer using initiator of Benzoyl Peroxide (BPO) and the filler of bentonite-Cetil Trimethyl Ammonium Bromide (CTAB) has been carried out, which aims to determine the method of modifying Cyclic Natural Rubber (CNR) and Oleic Acid (OA) so it can produce CNR-g-OA copolymer through grafting method with BPO initiator mixed together with bentonite-CTAB. This research was conducted in three stages. The first stage is the process of dissolving CNR using xylene. The second stage is the process of mixing CNR solution and OA with the composition (70:30) phr, followed by the addition of BPO initiator and bentonite-CTAB filler. The third stage is characterization using FTIR and Scanning Electron Microscopy (SEM). The results of the analysis using FT-IR showed an absorption at 1708,23 cm-1 which indicated the presence of C=O bonds from oleic acid which had been grafted on CNR, and increased intensity after addition of bentonite-CTAB at 1568,96 cm-1; 1446,13 cm-1; 1255,66 cm-1; and 866,94 cm-1. Characterization results using SEM showed that the mixing of Bentonite-CTAB in KAS-g-OA was evenly distributed and quite homogeneous.","PeriodicalId":31725,"journal":{"name":"Jurnal Kimia Mulawarman","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43704076","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
DECREASED LEVEL OF METAL IONS OF COPPER (CU) IN THE ELECTROPLATING INDUSTRY WASTE WATER USING ELECTRODEPOSITION METHOD 电沉积法降低电镀工业废水中铜的金属离子含量
Jurnal Kimia Mulawarman Pub Date : 2018-11-29 DOI: 10.30872/JKM.V16I1.415
Tangke Veronika, Bohari Yusuf, R. Gunawan
{"title":"DECREASED LEVEL OF METAL IONS OF COPPER (CU) IN THE ELECTROPLATING INDUSTRY WASTE WATER USING ELECTRODEPOSITION METHOD","authors":"Tangke Veronika, Bohari Yusuf, R. Gunawan","doi":"10.30872/JKM.V16I1.415","DOIUrl":"https://doi.org/10.30872/JKM.V16I1.415","url":null,"abstract":"The reduction of copper concentration in the electroplating industry wastewater by electrodeposition method by means of Atomic Absorption Spectrophotometer (AAS). The result of research showed that degradation and is big of elimination percent of copper metal have with the effect of time contact and voltage at optimum hence in getting results of final concentration of iron (Fe) successive plate 4,02 ppm and 2,84 ppm of concentration early 35,86 ppm and elimination percent of exclusion at optimum parameter in getting result successive 88,403 % and 92,069 %. While the results of the final concentration of Aluminium (Al) successive plate 2,38 ppm dan 2,22 ppm of concentration early 35,86 ppm and elimination percent of exclusion at optimum parameter in getting result successive 93,363 % dan 93,814%.","PeriodicalId":31725,"journal":{"name":"Jurnal Kimia Mulawarman","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44759865","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
VALIDATION OF THE METHODS OF Hg DETERMINATION ON WASTE WATER TREATMENT PLANT SAMPLES USING COLD VAPOUR-ATOMIC ABSORPTION SPECTROPHOTOMETER (CV-AAS)TECHNIQUES 用冷蒸汽原子吸收分光光度计(CV-AAS)测定污水处理厂样品中汞的方法的验证
Jurnal Kimia Mulawarman Pub Date : 2018-11-29 DOI: 10.30872/JKM.V16I1.667
Rika Anggraini, R. Hairani, A. S. Panggabean
{"title":"VALIDATION OF THE METHODS OF Hg DETERMINATION ON WASTE WATER TREATMENT PLANT SAMPLES USING COLD VAPOUR-ATOMIC ABSORPTION SPECTROPHOTOMETER (CV-AAS)TECHNIQUES","authors":"Rika Anggraini, R. Hairani, A. S. Panggabean","doi":"10.30872/JKM.V16I1.667","DOIUrl":"https://doi.org/10.30872/JKM.V16I1.667","url":null,"abstract":"The research about validation of the method of Hg determination on the sample from wastewater treatment plant (WWTP) PT. Badak NGL Bontang, Kalimantan Timur using cold vapour-atomic absorption spectrophotometer (CV-AAS) techniques has been conducted. To obtain a valid measurement result, determinations of the important several parameters that influence the method validation are used. The results of research showed that 20% SnCl2 solution could be used as a reducing agent. The analytic performance of measurement obtain is good, showed with the linearity (r) value ≥ 0.995, LOD was 0.2530 ppb, LOQ was 0.8432 ppb, MDL was 0.6427 ppb and repeatability and reproducibility are shown as % RSD < 2/3 CV Horwitz values. The accuracy of this method is very good with a percentage of recovery value of 114.88%. Based on the results of this research, CV-AAS method can be used in the determination of Hg in WWTP samples with the valid results.","PeriodicalId":31725,"journal":{"name":"Jurnal Kimia Mulawarman","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47541447","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
AKTIVITAS ANTIMALARIA SENYAWA FLAVANON TERISOPRENILASI DARI KULIT BATANG Erythrina fusca L. 红刺桐小蝙蝠对黄酮类化合物的抗疟活性。
Jurnal Kimia Mulawarman Pub Date : 2018-11-29 DOI: 10.30872/JKM.V16I1.586
N. Fatmawati, Novi Anggreini, R. Saputri, Tjitjik Srie Tjahjandarie, M. Tanjung
{"title":"AKTIVITAS ANTIMALARIA SENYAWA FLAVANON TERISOPRENILASI DARI KULIT BATANG Erythrina fusca L.","authors":"N. Fatmawati, Novi Anggreini, R. Saputri, Tjitjik Srie Tjahjandarie, M. Tanjung","doi":"10.30872/JKM.V16I1.586","DOIUrl":"https://doi.org/10.30872/JKM.V16I1.586","url":null,"abstract":"Two isoprenylated flavanones  namely as lonchocarpol A (1)  dan lupinifolin (2) were isolated from  the stem bark of Limonia accidissima L. Erythrina fusca L. Their structures were determined  based on spectroscopic data such as UV, IR, MS and NMR. Compounds 1–2 were evaluated for their antimalarial against Plasmodium falciparum strain 3D7 showing their IC50 were 1.18 and 0.8 µg/ml, respectively and very high activity. \u0000 ","PeriodicalId":31725,"journal":{"name":"Jurnal Kimia Mulawarman","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44945061","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
INCORPORATION VITAMIN E FROM PFAD IN MATRIX OF MIXED GALAKTOMANAN KOLANG-KALING (Arenga pinnata) AND GUM ACASIA 从PFAD中提取维生素E，并将其掺入凤尾莲与金合欢混合基质中
Jurnal Kimia Mulawarman Pub Date : 2018-07-24 DOI: 10.30872/JKM.V15I2.608
R. Zulmi, Jamaran Kaban, Juliati Br. Tarigan
{"title":"INCORPORATION VITAMIN E FROM PFAD IN MATRIX OF MIXED GALAKTOMANAN KOLANG-KALING (Arenga pinnata) AND GUM ACASIA","authors":"R. Zulmi, Jamaran Kaban, Juliati Br. Tarigan","doi":"10.30872/JKM.V15I2.608","DOIUrl":"https://doi.org/10.30872/JKM.V15I2.608","url":null,"abstract":"Incorporation of vitamin E from palm fatty acid distillate (PFAD) into matrix of mixed gum acacia and galactomannan from Arenga pinnata (kolang-kaling) (GAP) has been studied. Galactomannan extracted from Arenga pinnata was 4.7%. Incorporations were conducted using using 7 gram gum acacia (GA), 1.3 gram vitamin E from PFAD and GAP varied from 0.1 – 0.4 gram in 100 ml total volume. The thickness of the film occurred in the range of 0.600 – 0.780 mm. In the increment of GAP amount the viscosity and stability of film was increased. The best film obtained which most compatible and has viscosity similar with standard of ISO 9001 – 2008 and ISO 22000 – 2005 was from formula 3 contained 0.2 gram GAP. The oncentration of vitamin E determined using gas chromatography was 75.4501%. The composition of vitamin E was tocotrienol 74.41% and tocopherol 25.59%.","PeriodicalId":31725,"journal":{"name":"Jurnal Kimia Mulawarman","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44745257","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
首页 上一页 下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：481959085
Book学术官方微信