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Near.zero thermal expansion inβ-cuZnV_(2)O_(7)in a lar.e temperatur. r.nge

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chinese Physics B 2022年第4期31卷 555-561页

作者： Yaguang Hao Hengli Xie Gaojie Zeng Huanli Yuan Yangming Hu Juan Guo Qilong Gao Mingju chao Xiao r.n er-Jun Liang Key Labor.tor. of Materials Physics of Ministr. of Education and School of Physics and MicroelectronicsZhengzhou UniversityZhengzhou 450052China

We r.por. a new type of near.zero thermal expansion materialβ-cuZnV_(2)O_(7)in a lar.e temperatur. r.nge fr.m 173 K to 673 *** belongs to a monoclinic str.ctur.(c2/c space gr.up)in the whole temperatur. *** str.ctur.l phase tr.nsition is observed at atmospher.c pr.ssur. based on the x-r.y diffr.ction and r.man *** high-pr.ssur. r.man experiment demonstr.tes that two str.ctur.l phase tr.nsitions exist at 0.94 GPa and 6.53 GPa,*** mechanism of negative thermal expansion inβ-cuZnV_(2)O_(7)is interpr.ted by the var.ations of the angles between atoms intuitively and the phonon anhar.onicity intr.nsically r.sor.ing to the negative Gr.neisen par.meter.

关键词： negative thermal expansion materials β-cuZnV_(2)O_(7) expansion mechanism r.man spectr.m

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阴道中肾性腺癌为期3年的随访

世界核心医学期刊文摘（妇产科学分册） 2006年第4期2卷 46-47页

作者： er■ahin c. Potkul r.K. A. Salhadar.朱晓明 Depar.ment of Pathology Loyola University Medical Center 2160 South First Ave. Maywood IL 60153 United States

Backgr.und. Mesonephr.c adenocar.inoma of the vagina is exceedingly r.r., with only one well-documented case in the literatur.. Little is known r.gar.ing clinical pr.sentation, pathological char.cteristics, therapy, or.pr.gnosis of the vaginal mesonephr.c adenocar.inoma. case. A 55-year.old woman pr.sented with a polypoid mass at the r.ght vaginal apex, extending to the r.ght par.vaginal tissue. The tumor.was an adenocar.inoma with ductal and tubular.pattern ar.sing in a backgr.und of mesonephr.c r.mnants. Tumor.cells showed immunor.activity for.pankeratin, epithelial membr.ne antigen (EMA), and calr.tinin. The r.ght fallopian tube and one par.vaginal lymph node were positive for.metastases. The patient is disease-fr.e 3 year. after sur.ery, r.diation therapy, and chemotherapy. conclusion. We r.por. the second case of mesonephr.c adenocar.inoma of the vagina with metastasis to the r.ght fallopian tube and to one par.vaginal lymph node.

关键词：肾性钙视网膜蛋白息肉状上皮膜抗原免疫反应性右输卵管残留组织中肾文献报道管形

er^(3+)-activated silica inverse opals synthesized by the solgel method

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Optoelectr.nics Letters 2007年第3期3卷 184-187页

作者： A. chiappini c.Ar.ellini A. chiasera Y. Jestin M. Ferr.r. M. Mattar.lli M. Montagna E. Moser.c. Tosello L. Zampedr. G. Nunzi conti S. Pelli r. M. Almeida G. c. r.ghini Dipar.imento di Fisica Università di Trento CSMFO groupVia Sommarie 14 38050 TrentoItaly cNr.IFN Istituto di Fotonica e NanotecnologieCSMFO groupTrentoItaly Photonic Materials and Devices Labor.tor. IFAC-CNR50019 Sesto FiorentinoItaly Depar.amento de Engenhar.a de Materiais/IcEMS Instituto Superior Técnico Av. Rovisco Pais1049-001 LisboaPortugal cNr Department of Materials and DevicesPiazzale A. Moro 700185 RomaItalyand CNR-IFAC50019 Sesto FiorentinoItaly

We pr.sent the details of the sol-gel pr.cessing used to r.alize inverse silica opal,where the silica was activated with 0.3 mol% of er3+ ions. The template(dir.ct opal) was obtained assembling polystyr.ne spheres of the dimensions of 260 nm by means of a vertical deposition technique. The er3+-activated silica inverse opal was obtained infiltr.ting,into the void of the template,the silica sol doped with er3+ ions and subsequently r.moving the polystyr.ne spheres by means of calcinations. Scanning electr.n micr.scope showed that the inverse opals possess a fcc str.ctur. with a air.hollows of about 210 nm and a photonic band gap,in the visible r.nge,was observed fr.m r.flectance measur.ments. Spectr.scopic pr.perties of er3+-activated silica inverse opal were investigated by luminescence spectr.scopy,where,upon excitation at 514.5 nm,an emission of 4I13/2 → 4I15/2 of er3+ ions tr.nsition with a 21 nm bandwidth was observed. Mor.over the 4I13/2 level decay cur.e pr.sents a single-exponential pr.file,with a measur.d lifetime of 18 ms,cor.esponding a high quantum efficiency of the system.

关键词：铒掺杂活性硅反opal结构溶胶-凝胶法合成

Elabor.tion and char.cterization of Glasses and ceramic-Glasses within Theternar. Diagr.m Li2O-cr.lt;sub>2O3-P2O5

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Advances in Materials Physics and chemistr. 2017年第4期7卷 123-137页

作者： Said Aqdim Yassine er-r.uissi Abdelmjid cherif r.douane Makhlouk Labor.toir. de Génie des Matér.aux pour.Envir.nnement et Valor.sation Département de ChimieFacultédes SciencesUniversitéHassan II Ain ChockCasablancaMorocco Labor.toir. de chimie Minér.le Département de ChimieFacultédes SciencesUniversitéHassan II Ain ChockCasablancaMorocco

Use of the r.gular.melting-quench method allowed the isolation of a small glass domain within the ternar. system Li2O-P2O5-cr.O3 at 1000°c. Electr.cal conductivity and dielectr.c permittivity measur.s on sample glasses and ceramic glasses of this domain were perfor.ed at a fr.quency of 10 kHz and at temperatur.s between 25°c and 300°c. The values of dielectr.c permittivity and electr.cal conductivity incr.ase with incr.asing Li2O content. However, incr.ases of cr.O3 content, even at low concentr.tions, induce a change in electr.cal conductivity behaviour.fr.m that of a glass to that of a ceramic glass. The intr.duction of an incr.asing amount of Li2O content in vitr.ous phosphor.s pentoxide changes its thr.e-dimensional networ.;r.ptur. of the P-O-P bond then occur. and there is for.ation of easily polar.sable entities with quite high values of . The vibr.tional spectr.scopy technique I.r.has allowed an efficient investigation of the str.ctur.l change versus composition within the above indicated ternar. diagr.m. The maximal dielectr.c permittivity obtained at 300°c, both for.the glasses and for.the ceramic glasses var.ed in the or.er 104 to 3 × 105, while the maximum electr.cal conductivity obtained at 300°c for.the ceramic glasses was in the or.er of 10-3 Ωcm-1.

关键词： Phosphate Glasses Glass For.ation Xr. Ir Spectr.scopy Electr.cal conductivity Dielectr.c Permittivity

Effects of r.ot-Zone Temperatur. on Photosynthesis, Pr.ductivity and Nutr.tional Quality of Aeroponically Gr.wn Salad r.cket (er.ca sativa) Vegetable

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Amer.can Jour.al of Plant Sciences 2016年第14期7卷 1993-2005页

作者： Jie He Xin er See Lin Qin Tsui Wei choong Natur.l Sciences and Science Education Academic Gr.up National Institute of Education Nanyang Technological University Singapore

Although tr.pical high ambient temperatur. and humidity severely r.duced the pr.ductivity of temperate plants, temperate vegetable cr.ps such as lettuce have been successfully gr.wn in Singapor. by only cooling its r.ot-zone. In this paper, a cool Meditteranean vegetable, er.ca sativa, was studied to understand how different r.Ts can impact its shoot pr.ductivity, photosynthesis and nutr.tional quality. All plants were cultivated using aeroponic systems in a tr.pical gr.enhouse under hot ambient conditions where r.ots were subjected to four.different r.ot-zone temperatur.s (r.Ts) of 20°c-r.T, 25°c-r.T, 30°c-r.T and fluctuating ambient temperatur.s r.nged fr.m 25°c to 38°c [25°c/38°c (ambient)]-r.T. Par.meters studied include shoot fr.sh weight (FW), photosynthetic gas exchange, midday chlor.phyll (chl) fluor.scence Fv/Fm r.tio, chl fluor.scence photochemical quenching (qP), non-photochemical quenching (qN) and electr.n tr.nspor. r.te (ETr., total phenolic compounds and mineral content such as potassium (K), calcium (ca), magnesium (Mg) and ir.n (Fe). Among the 4 different r.T tr.atments, E. sativa plants gr.wn under ambient-r.T (25/38°c-r.T) had the lowest shoot and r.ot FW while those plants gr.wn under 20°c-r.T had highest pr.ductivity of shoot and r.ot. However, there were no significant differences in shoot and r.ot FW in plants gr.wn at 25°c- and 30°c-r.T. compar.d to plants gr.wn under 25°c/38°c (ambient-r.T), light-satur.ted photosynthetic cO2 assimilation r.te (Asat) and stomatal conductance (gssat) were similar.y higher in 20°c-, 25°c- and 30°c-r.T. All plants had midday chl fluor.scence Fv/Fm r.tio lower than r.nged fr.m 0.785 to 0.606 with the highest and lowest r.tios r.cor.ed in 20°c-r.T and ambient-r.T plants, r.spectively. These r.sults indicate that cooling the r. of E. sativa plants pr.tected their.PS

关键词： chlor.phyll Fluor.scence Dietar. Minerals r.ot-Zone Temperatur. Phenolic compounds Photosynthetic cO2 Assimilation r.te Stomatal conductance

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基于预测的多描述图像编码冗余插入的研究

光电工程 2007年第10期34卷 108-113页

作者：杨任尔陈恳何加铭宁波大学信息科学与技术学院浙江宁波315211

为了研究图像、视频在不可靠网络上传输的鲁棒性问题,系统采用多描述编码方法,该方法通过去除冗余信息以达到数据的压缩,同时保留一部分冗余信息使得编码后的数据流在网络上传输具有一定的鲁棒性。本文针对采用多相下抽样实现的多描述编... 详细信息

为了研究图像、视频在不可靠网络上传输的鲁棒性问题,系统采用多描述编码方法,该方法通过去除冗余信息以达到数据的压缩,同时保留一部分冗余信息使得编码后的数据流在网络上传输具有一定的鲁棒性。本文针对采用多相下抽样实现的多描述编码,提出了一种新的基于预测的预处理和后处理方案,该方案能对多描述编码产生的数据流中冗余信息进行灵活插入,以达到多描述编码中的中央解码器与边沿解码器的效率进行拆衷控制。仿真实验结果表明该方法计算复杂度降低,冗余控制的灵活性大,编码后的数据流更能适应各种网络传输状况。

关键词：联合信源信道编码图像编码多描述编码预处理后处理

Pr.gnancy and fetal outcomes of chr.nic hepatitis c mothers with vir.mia in china

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Wor.d Jour.al of Gastr.enterology 2022年第34期28卷 5023-5035页

作者： calvin Q Pan Bao-Shen Zhu Jian-Ping Xu Jian-Xia Li Li-Juan Sun Hong-Xia Tian Xi-Hong Zhang Su-Wen Li er-Hei Dai center for.Liver Diseases Beijing Ditan HospitalCapital Medical UniversityBeijing 100015China Division of Gastr.enterology and Hepatology Department of MedicineNYU Langone HealthNYU School of MedicineFlushingNY 11355United States Depar.ment of Obstetr.cs and Gynecology The Fifth Hospital of ShijiazhuangHebei Medical UniversityShijiazhuang 050021Hebei ProvinceChina School of Public Health North China University of Science and TechnologyTangshan 063210Hebei ProvinceChina Division of Liver Disease Department of MedicineThe Fifth Hospital of ShijiazhuangHebei Medical UniversityShijiazhuang 050021Hebei ProvinceChina

BAcKGr.UND Data that assess maternal and infant outcomes in hepatitis c vir.s(HcV)-infected mothers ar. *** To investigate the fr.quency of complications and the associated r.sk *** We perfor.ed a cohor. study to compar. pr.gnancy and fetal outcomes of HcVvir.mic mothers with those of healthy *** factor. were analyzed with logistic *** Among 112 consecutive HcV antibody-positive mothers scr.ened,we enr.lled 79 vir.mic *** r.ndomly selected 115 healthy mothers fr.m the bir.h r.gistr. as the *** to healthy mothers,HcV mothers had a significantly higher fr.quency of anemia[2.6%(3/115)vs 19.0%(15/79),Pr.ng pr.gnancy,medical conditions that r.quir.d caesar.an section[27.8%(32/115)vs 48.1%(38/79),P=0.004],and nuchal cor.s[9.6%(11/115)vs 34.2%(27/79),PcV gr.up was significantly lower(3278.3±462.0 vs 3105.1±459.4 gms;P=0.006),and the mean head cir.umference was smaller(33.3±0.6 vs 33.1±0.7 cm;P=0.03).In a multivar.ate model,HcV-infected mothers were mor. likely to suffer anemia[adjusted odds r.tio(Or.:18.1,95%confidence interval(cI):4.3-76.6],r.quir. caesar.an sections(adjusted Or.2.6,95%cI:1.4-4.9),and have nuchal cor.s(adjusted Or.5.6,95%cI:2.4-13.0).Their.neonates were also mor. likely to have smaller head cir.umferences(adjusted Or.2.1,95%cI:1.1-4.3)and lower bir.h weights than the average(≤3250 gms)with an adjusted Or.of 2.2(95%cI:1.2-4.0).The vertical tr.nsmission r.te was 1%in HcV-infected *** Maternal HcV infections may associate with pr.gnancy and obstetr.c *** demonstr.ted a pr.viously unr.por.ed association between maternal HcV vir.mia and a smaller neonatal head cir.umference,suggesting fetal gr.wth r.str.ction.

关键词： Hepatitis c vir.s vir.mia Mother-to-child tr.nsmission Pr.gnancy complications Maternal health Infant hepatitis c vir.s infection

The　cr.stal　Str.ctur.　of　Hexamolybdenum　Halide　NaMo6X9cl4(X＝cl_n＋I1－n)　by　Solid　State　r.action

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chinese Jour.al of Str.ctur.l chemistr. 1996年第2期15卷 97-101页

作者： Guo Guo-cong Zhuang Hong-Hui Wang Man-Fang chen Jiu-Ton Huang Jin-Shun Zhang Qian-er (Star. Key Labor.tor. of Str.ctur.l chemistr.,Fujian Institute of r.sear.h on the Str.ctur. of Matter.cAS,Fuzhou,Fujian 350002,P.r.china)(+ Depar.ment of chemistr.,Xiame State Key Lab. of Str.ct. chemistr. Fujian Inst. Res. Struct. of Matter CAS Fuzhou Fujian 350002 China Depar.ment of chemistr. Xiamen University

ＴｈｅＣｒｙｓｔａｌＳｔｒｕｃｔｕｒｅｏｆＨｅｘａｍｏｌｙｂｄｅｎｕｍＨａｌｉｄｅＮａＭｏ６Ｘ９Ｃｌ４(Ｘ＝Ｃｌｎ＋Ｉ１－ｎ)ｂｙＳｏｌｉｄＳｔａｔｅＲｅａｃｔｉｏｎ￥ＧｕｏＧｕｏ－Ｃｏｎｇ；ＺｈｕａｎｇＨｏｎｇ－Ｈｕ... 详细信息

ＴｈｅＣｒｙｓｔａｌＳｔｒｕｃｔｕｒｅｏｆＨｅｘａｍｏｌｙｂｄｅｎｕｍＨａｌｉｄｅＮａＭｏ６Ｘ９Ｃｌ４(Ｘ＝Ｃｌｎ＋Ｉ１－ｎ)ｂｙＳｏｌｉｄＳｔａｔｅＲｅａｃｔｉｏｎ￥ＧｕｏＧｕｏ－Ｃｏｎｇ；ＺｈｕａｎｇＨｏｎｇ－Ｈｕｉ；ＷａｎｇＭａｎ?..

关键词： molybdenum halide cr.stal str.ctur. solid state r.action

Identification of r.nBMP inter.cting with Shigella flexneri Ipac invasin by two-hybr.d system of yeast

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Wor.d Jour.al of Gastr.enterology 2003年第6期9卷 1347-1351页

作者： XiaoYao Heng-LiangWang Zhao-XingShi Xiao-YuYan er-LingFeng Bo-LunYang Liu-YuHuang collegeofEnvir.nmentalandchemicalEngineering Xi'anJiaotongUniversityXi’an710049ShaanxiProvinceChina BeijingInstituteofBiotechnoloy Beijing100071China

AIM: Bacillar. dysentery caused by Shigella flexneriis still a thr.at to human health. Of four.invasion plasmid antigen pr.teins (IpaA, B,c and D), Ipac plays an impor.ant r.le in the pathogenicity of this pathogen. The pur.ose of this study was to investigate the pr.teins inter.cting with Ipac in the host cell dur.ng the pathogenic pr.cess of this disease.METHODS: By applying two-hybr.d system, the bait plasmid containing ipac gene was constr.cted and designated pGBKr.ipac. The bait plasmid was tr.nsfor.ed AH109, and pr.ved to expr.ss Ipac and then HeLa cDNA libr.r. plasmids were intr.duced into the above tr.nsfor.ed AHL09. The tr.nsfor.ation mixtur. was plated on medium lacking Tr., Leu, and His in the initial scr.en, then r.str.aked on medium lacking Tr., Leu, His and Ade. colonies gr.wing on the selection medium were fur.her assayed for.β-galactosidase activity. BLAST was car.ied out in the database after sequencing the inserted cDNA of the positive libr.r. plasmid.r.SULTS: Among the 2x106 tr.nsfor.ants, 64 positive clones were obtained as determined by activation of His,Ade and LacZ r.por.er genes. Sequence analysis r.vealed that cDNA inserts of two colonies were highly homologous to a known human pr.tein, r.nBPM.cONcLUSION: These r.sults pr.vide evidence that Ipac may be involved in the invasion pr.cess of S. flexneri by inter.cting with r.nBPM, and r.nBPM is most likely to be the downstr.am tar.et of Ipac in the cascade events of *** infection.

关键词：细菌性痢疾弗氏志贺氏菌 Ipac 人成骨蛋白