雖然這篇checkCIF鄉民發文沒有被收入到精華區:在checkCIF這個話題中,我們另外找到其它相關的精選爆讚文章
[爆卦]checkCIF是什麼?優點缺點精華區懶人包
你可能也想看看
搜尋相關網站
-
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#1CheckCIF
checkCIF reports on the consistency and integrity of crystal structure determinations reported in CIF format. Please upload your CIF using the form below.
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#2details of checkCIF/PLATON tests for IUCr Journals
checkCIF /PLATON (full publication check). Please upload your CIF using the form below. CIF file name: Select form of checkCIF report. HTML
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#3checkCIF/PLATON (basic structural check) - IUCr Journals
Please upload your CIF using the form below. CIF file name: Select form of checkCIF report. HTML PDF Select validation type. Full ...
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#4checkCIF/PLATON (full structural check) - IUCr Journals
Please upload your CIF using the form below. CIF file name: Select form of checkCIF report. HTML PDF Select validation type. Full ...
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#5checkCIF FAQ - IUCr Journals
checkCIF is the IUCr service for checking submissions in CIF format to its own and and other journals. Prospective authors may submit their CIF manuscripts ...
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#6(IUCr) IUCr checkCIF procedure
checkCIF procedure. PROC-NAME: REFLT03 Type_1/3/4. PURPOSE: To check that _reflns_number_total is close to that expected for the cell volume, symmetry and ...
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#7checkCIF/PLATON reports - IUCr Journals
checkCIF reports on the consistency and integrity of crystal structure determinations reported in CIF format. The following information is organized in ...
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#8checkCIF validation ALERTS: what they mean and how ... - NCBI
checkCIF offers a machine-generated report in the form of ALERTS. It does not give a 'good structure' or 'bad structure' (or 'publish' or ' ...
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#9IUCr checkCIF - Metadata Standards Catalog
IUCr checkCIF. A tool used to check the integrity and cosistency of crystal structure encodings in CIF format. Links and documentation. Visit website ...
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#10Structure validation in the submission, review and ... - NIST
CIF (Crystallographic Information File). Validation. checkCIF ... 1994 – First email versions of checkCIF/printCIF. • 1996 – Acta Cryst.
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#11checkCIF validation ALERTS: what they mean and how to ...
format the experimental data on which the crystal-structure analysis is based. Additionally, an IUCr/checkCIF validation report will be required for the. review ...
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#12checkCIF Integration: Frequently Asked Questions - Aries ...
checkCIF is a validation tool developed to check Crystallographic Information Files (CIF). CIF are a standard text file format for representing ...
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#13checkCIF/PLATON report Datablock: shelx - MDPI
checkCIF /PLATON report. You have not supplied any structure factors. As a result the full set of tests cannot be run. THIS REPORT IS FOR GUIDANCE ONLY.
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#14checkCIF (basic structural check) running checkCIF/PLATON ...
checkCIF /PLATON (basic structural check). You have not supplied any structure factors. As a result the full set of tests cannot be run.
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#15checkCIF/PLATON report Datablock: md35-05
checkCIF /PLATON report. Structure factors have been supplied for datablock(s) md35-05. THIS REPORT IS FOR GUIDANCE ONLY. IF USED AS PART OF A REVIEW ...
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#16CIF Validation - ACS Publications
Some ACS journals require that a copy of the CheckCIF output be retained in case it is requested by an editor or reviewer. Authors should check the journal- ...
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#17checkCIF (basic structural check) running - Caltech Authors
Extracting fcf data from uploaded CIF, please wait . . . checkCIF/PLATON (basic structural check). Structure factors have been supplied for ...
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#18checkCIF/PLATON report Datablock: Au4PD4 - Nano Research
checkCIF /PLATON report. Structure factors have been supplied for datablock(s) Au4PD4. THIS REPORT IS FOR GUIDANCE ONLY. IF USED AS PART OF A REVIEW ...
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#19checkCIF/PLATON report Datablock
checkCIF /PLATON report. Structure factors have been supplied for datablock(s) platon. No syntax errors found. CIF dictionary Interpreting this report.
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#20IUCr checkCIF | DCC - Digital Curation Centre
IUCr checkCIF. Submitted by elizabeth.bedford on Wed, 19/12/2012 - 16:21. A tool used to check the integrity and cosistency of crystal structure encodings ...
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#21checkCIF/PLATON report Datablock
checkCIF /PLATON report. You have not supplied any structure factors. As a result the full set of tests cannot be run. THIS REPORT IS FOR GUIDANCE ONLY.
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#22CheckCif | OlexSys
CheckCif. Finalising a Structure: How to really finish a structure off · Toolbox Work: A collection of commonly used tools.
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#23关于checkCIF的一个问题- 晶体- 小木虫论坛-学术科研互动平台
检查进行不下去了,请问怎么处理。 跟此处要求“factor file (in CIF format)”有关吗? 下面是检查用的网址 http://journals.iucr.org/services/cif/checkcif.html
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#24The CIF file, refinement details and validation of the structure
bond lengths sharing the same position, here F et Cl. CHECKCIF: Violation of the “Hirshfeld test”. Manual inspection : Thermal parameters. Wrong atom.
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#25Chem Comm 04-19 checkCIF.pdf - Zenodo
Extracting fcf data from uploaded CIF, please wait . . . . checkCIF/PLATON (basic structural check). Structure factors have been supplied for datablock(s) ZnBLD ...
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#26checkCIF/PLATON report (basic structural check) - eCrystals
checkCIF /PLATON report (basic structural check). No syntax errors found. CIF dictionary. Please wait while processing .... Interpreting this report
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#27checkCIF/PLATON report Datablock: joc272s_squeezed
checkCIF /PLATON report. You have not supplied any structure factors. As a result the full set of tests cannot be run. No syntax errors found.
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#28CheckCIF-PLAT101-110 - 哔哩哔哩 - BiliBili
PLAT101 Insufficient Number of Digits Given for SpecialPosition x-Coordinate. Fractions of the type 1/3 and 2/3 for the positional ...
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#29CheckCIF/PLATON Crystal Structure Validation - SlidePlayer
FCF's are Useful for subsequent analysis of possibly unique data. CIF + FCF checking was added in 2010 into the IUCr CheckCIF/PLATON suite. Major chemical ...
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#30checkCIF validation ALERTS: what they mean and how to ...
This paper provides additional background information on the checkCIF procedure and additional details for a number of ALERTS along with ...
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#31checkCIF/PLATON report Datablock: md1 - RERO DOC
checkCIF /PLATON report. Structure factors have been supplied for datablock(s) md1. THIS REPORT IS FOR GUIDANCE ONLY. IF USED AS PART OF A REVIEW PROCEDURE.
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#32checkCIF/PLATON report Datablock: 20200806a_pl
checkCIF /PLATON report. You have not supplied any structure factors. As a result the full set of tests cannot be run. THIS REPORT IS FOR GUIDANCE ONLY.
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#33checkCIF/PLATON report Datablock: fbt08-05
checkCIF /PLATON report. Structure factors have been supplied for datablock(s) fbt08-05. THIS REPORT IS FOR GUIDANCE ONLY. IF USED AS PART OF A REVIEW ...
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#34The PLATON checkCIF and SQUEEZE Tools
2015 IUCr/checkCIF reports no serious ALERTS ... validation engine behind the IUCr driven checkCIF validation project of crystal structures.
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#35checkCIF/PLATON report Datablock: CP293
checkCIF /PLATON report. You have not supplied any structure factors. As a result the full set of tests cannot be run. THIS REPORT IS FOR GUIDANCE ONLY.
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#36checkCIF (basic structural check) - StudyLib
checkCIF (basic structural check) running Checking for embedded fcf data in CIF ... No extractable fcf data in found in CIF checkCIF/PLATON (basic ...
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#37Checkcif (Basic Structural Check) Running - DocsBay
checkCIF (basic structural check) running. Checking for embedded fcf data in CIF No extractable fcf data in found in CIF. checkCIF/PLATON (basic structural ...
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#38An Easy Structure - Sucrose - UK X-Ray Crystallography
This final part of the sucrose tutorial shows how to edit the CIF made by SHELXL so that it passes the IUCr structure checking program checkCIF.
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#39checkCIF/PLATON report Datablock: bj199f2 - TSpace
checkCIF /PLATON report. You have not supplied any structure factors. As a result the full set of tests cannot be run. THIS REPORT IS FOR GUIDANCE ONLY.
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#40checkCIF/PLATON report Datablock: 11_a - Beilstein Archives
checkCIF /PLATON report. Structure factors have been supplied for datablock(s) 11_a. THIS REPORT IS FOR GUIDANCE ONLY. IF USED AS PART OF A REVIEW PROCEDURE.
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#41checkCIF/PLATON report (full structural check)
checkCIF /PLATON report (full structural check). No syntax errors found. CIF dictionary. Please wait while processing .
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#42checkCIF/PLATON report Datablock: shelx
checkCIF /PLATON report. Structure factors have been supplied for datablock(s) shelx. THIS REPORT IS FOR GUIDANCE ONLY. IF USED AS PART OF A REVIEW PROCEDURE.
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#43Analytical Techniques in the Pharmaceutical Sciences
In the early days of checkCIF, only the refined crystal structure was provided, so the checking procedures were based solely on expectations compared to ...
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?> -
//=++$i?>//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['title'])?>
#44Reporting standards and availability of data, materials, code ...
Both the structure factors and the structural output must have been checked using the IUCR CheckCIF routine, and a PDF copy of the output must be included ...
//="/exit/".urlencode($keyword)."/".base64url_encode($si['_source']['url'])."/".$_pttarticleid?>//=htmlentities($si['_source']['domain'])?>
checkcif 在 コバにゃんチャンネル Youtube 的最佳解答
checkcif 在 大象中醫 Youtube 的最讚貼文
checkcif 在 大象中醫 Youtube 的精選貼文