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Analytical Strain-softening Solutions of a spherical cavity

the post-failure region as a Multi-step Brittle-Plastic model (MBPM), analytical solutions of the spherical cavity are derived with the consideration of the deterioration of elastic parameters ... ; Analytical solution 1. Introduction Displacements and stresses distributions are two of the most important information for underground engineering, for that it can provide a theoretical foundation

Semi-analytical calculation of gluon fragmentation into 1S 0 [1,8] quarkonia at next-to-leading order

not only give FFs results with very high precision at any value of z, but also provide fully analytical structure at these singularities. We find that the NLO corrections are significant, with K-factors ... to gluon fragmentation into spin-triplet S-wave quarkonium, JHEP 11 (2012) 020 [arXiv:1208.5301] [INSPIRE].ADSCrossRefGoogle Scholar [52] P. Zhang, Y.-Q. Ma, Q. Chen and K.-T. Chao, Analytical

New researches of State Key Laboratories in Analytical Chemistry

security and health, analytical chemistry has made great progress in both analytical methodologies and detection instruments by integrating multidisciplinary research achievements. Four State Key ... from these State Key Laboratories. State Key Laboratory of Analytical Chemistry for Life Science (Nanjing University) was promoted from the National Key Discipline in Analytical Chemistry and former Key

Erratum to “Probing the kinetics in supramolecular chemistry and molecular assembly by microfluidic-NMR spectroscopy”

 Sun1Xinchang Wang12Manvendra Sharma3Zhong Chen2Xiaoyu Cao1Email authorMarcel Utz3Email authorZhongqun Tian1Email author1.State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and ... Chemical Engineering, Collaborative Innovation Center of Chemistry for Energy Materials and Key Laboratory of Chemical Biology of Fujian ProvinceXiamen UniversityXiamenChina2.Department of Electronic Science

Analytical determination of the critical impact location for wing leading edge under birdstrike

wing leading edge is selected as a critical location for the birdstrike in most researches. But the rationality of the selection is not given. This paper proposes an analytical method for determining the ... surface of wing leading edge. A birdstrike model is established using Pam-crash and used to validate the analytical prediction. The numerical model proves its effectiveness compared to the birdstrike test

An analytical model of a clamped sandwich beam under low-impulse mass impact

An analytical model is developed to examine a low impulsive projectile impact on a fully clamped sandwich beams by considering the coupled responses of the core and the face sheets. Firstly, based on ... compression and bending effects of the foam core are considered in the whole deformation process. Based on this model, different coupling mechanism of sandwich beams are constructed so that an analytical

Analytical model of friction behavior during polymer scratching with conical tip

To investigate the effects of the contact geometry, interfacial friction, and substrate recovery on the behavior of polymer scratching using a conical tip, an analytical model is proposed. The normal ... also introduced. Validated by the experimental and numerical results from the literature, the proposed analytical model can describe well the scratch coefficient of friction (SCOF), which is defined as

Thiolation and characterization of regenerated Bombyx mori silk fibroin films with reduced glutathione

with reduced glutathione (GSH) (NH2)–ECG–(COOH), using the carbodiimide chemistry method, for the introduction of thiol groups onto surfaces. The effects of this modification on SF films’ chemical and ... Chemistry Abstract Bombyx mori silk fibroin-based materials have good biocompatibility and biodegradability. In order to maximize their utility while maintain appropriate features, silk fibroin (SF) films

Uncertainty quantification in production forecast for shale gas well using a semi-analytical model

mechanisms. This paper provides an efficient method to probabilistically forecast shale gas production by combining the Markov chain Monte Carlo method (MCMC) and a semi-analytical model. A trilinear flow ... studied in this paper, there is 90% probability that the EUR for a well is ranging from 0.62 × 108 to 1.48 × 108 m3. KeywordsUncertainty quantification Shale gas Semi-analytical model Production forecast

An evaluation roadmap for critical quality attributes from tier 1 in analytical similarity assessment

Analytical similarity assessment of critical quality attributes (CQAs) serves as a foundation for the development of biosimilar products and facilitates an abbreviated subsequent clinical evaluation ... -that are important to determine analytical similarity between the reference and biosimilar products. For the equivalence test, we develop a power calculation formula based on the two one-sided tests

Matter effect of light sterile neutrino: an exact analytical approach

more rotation angles and two more CP-violating phases in lepton mixing matrix make the interaction complicated formally. In this work, the exact analytical expressions for active neutrino oscillation ... .-I. Kubota, S. Tokuo and J.-I. Ichihara, Analytical calculations of four neutrino oscillations in matter, Eur. Phys. J. C 28 (2003) 211 [hep-ph/0209097] [INSPIRE]. [30] M.C. Gonzalez-Garcia, M

Geochemistry of upper Permian siliceous rocks from the Lower Yangtze region, southeastern China: implications for the origin of chert and Permian ocean chemistry

chemistry AuthorsAuthors and affiliations Zhi-Wei LiaoWen-Xuan HuXiu-Gen FuZhong-Ya Hu Open Access Original Paper First Online: 29 December 2018 2 Shares 187 Downloads Abstract The Permian ... , Nanjing University, China. An X-ray fluorescence (XRF) spectrometer (ARL9800XP) was used for major-element analyses, and a Finnigan Element II ICP–MS was used for trace-element analyses. The analytical

SERS spectra of a single nasopharyngeal carcinoma cell based on intracellularly grown and passive uptake Au nanoparticles

using surface-enhanced Raman spectroscopy , Analytical and Bioanalytical Chemistry 394 ( 2009 ), 1803 - 1809 . [19] A. Taleb , J. Diamond , J.J. McGarvey , J.R. Beattie , C. Toland and P.W. Hamilton ... extrinsic components in single osteosarcoma cells by near-infrared surface-enhanced Raman scattering , Analytical Chemistry 79 ( 2007 ), 3646 - 3653 . [21] Y. Yu , J. Lin , Y. Wu , S. Feng , Y. Li , Z. Huang

Preparation and characterization of carboxyl-group functionalized superparamagnetic nanoparticles and t he potential for bio-applications

successful functionalization of carboxyl groups on the surface of magnetic nanocrystals. The surface chemistry makes it possible for SPRI (solid phase reversible immobilization)-based DNA purification. Thus ... most promising functional groups in chemistry and biochemistry.15 Not only are carboxyl groups readily derivatized by a variety of reactions,16 but also they can improve the dispersion of iron oxide

Visible light-driven organic photochemical synthesis in China

chemistry. In this flourishing area, Chinese chemists have devoted great efforts to different aspects of synthetic chemistry. This review will summarize their representative work according to the following

CD-MEKC method to analyze triterpene acids in traditional chinese medicines

has better analytical efficiency for three acids, and the analytical time (15 min) was shorter than that of CMPA-HPLC (80 min). ... µg mL-1 for BA, OA and UA, respectively. Compared with high performance liquid chromatography with γ-CD as chiral mobile phase additive (CMPA-HPLC), CD-MEKC has better analytical efficiency for three

Teaching analytical chemistry in China: past, present, and future perspectives

modern system of analytical chemistry was introduced into China in the late 19th century. Thanks to the Chinese chemist Shou Xu, who translated several chemical books from western countries, including two ... important books on analytical chemistry: Manual of Qualitative Chemical Analysis [1] and Quantitative Chemical Analysis [2]. The Chinese titles of the translated books were HUAXUE KAOZHI and HUAXUE QIUSHU

Pre-analytical Factors Influence Accuracy of Urine Spot Iodine Assessment in Epidemiological Surveys

 Feei Ma Article First Online: 12 September 2018 62 Downloads This letter is regarding the recent publication of “Pre-analytical factors influence accuracy of urine spot iodine assessment ... deficiency [5]. The authors examined some pre-analytical factors including timing since eating breakfast and urine void rank that might affect the urinary iodine concentration (UIC). However, these pre

Regioselective radical α-borylation of α,β-unsaturated carbonyl compounds for direct synthesis of α-borylcarbonyl molecules

Organoboron compounds are highly valuable in synthetic chemistry. In particular, α-borylcarbonyl compounds have shown versatile synthetic applications, owing to fruitful chemistries of both the boryl ... advantages in diverse and economical synthesis of valuable ?-borylcarbonyl molecules. - O in chemical synthesis, medicinal chemistry, and material rganoboron compounds have been substantially applied