Characterisation of the cyclic softening properties of solder
Characterisation of the cyclic softening properties of solder
... accurate positioning of the sample at the centre of the jaws, a correct amount of tightening of the jaw bolts was required – overtightening of the jaw caused buckling of the sample, while insufficient ... correctly simulate the response of solder interconnections under impact-induced vibration The primary objective of this study is to characterise the cyclic softening behaviour of electronic solder through ... in miniaturization of the solder joints in these products and the introduction of the Restriction of Hazardous Substances (RoHS) legislative calling for the use of lead-free solder Smaller joints...
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Characterisation of the cyclic softening properties of solder
... accurate positioning of the sample at the centre of the jaws, a correct amount of tightening of the jaw bolts was required – overtightening of the jaw caused buckling of the sample, while insufficient ... correctly simulate the response of solder interconnections under impact-induced vibration The primary objective of this study is to characterise the cyclic softening behaviour of electronic solder through ... in miniaturization of the solder joints in these products and the introduction of the Restriction of Hazardous Substances (RoHS) legislative calling for the use of lead-free solder Smaller joints...
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Dynamic material characterisation of solder interconnects in microelectronic packaging
... (Cooling Rate) C/s β–Sn : Beta phase of tin δσ/δε : Work hardening rate dε Strain interval : xv List of Acronyms ε : Strain εs : Strain of the specimen εi : Magnitude of the incident strain passing ... areas of research are useful in the modelling of solder interconnects, most of them might be damaged due to impact During drop impact scenarios, solder joints experience deformation at high strain ... micrographs of solder grains and their grain boundaries Most researches on microstructure of solder focus on the size of different phases (e.g tin-rich and lead-rich phases in SnPb solder) in the solder...
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Báo cáo y học: "The characterisation of mucin in a mature ovarian teratoma occurring in an eight year old patient
... bilateral ovarian mature teratoma, using both biochemical and histological techniques The Patient Clinical Findings An eight- year- old female presented with a three-week history of abdominal swelling ... high amounts of mucin- like amino acids, serine, threonine and proline Serine and threonine are points of O-glycosylation found in the tandem repeat regions of mucins and their ratios can vary with ... site of secretion and whether the organ is in a normal or diseased state As far as we know this is the first time an amino acid analysis has been done of purified mucin in an ovarian teratoma The...
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Tài liệu Báo cáo khoa học: Binding of ligands originates small perturbations on the microscopic thermodynamic properties of a multicentre redox protein pptx
... using the residual water signal as internal reference [49] Modelling the thermodynamic parameters The model used for the thermodynamic characterization of DvHc3 [13] was applied to the data obtained ... solutions In the reduced and intermediate 2257 Thermodynamic parameters in ligated proteins stages of oxidation the pH was adjusted inside the anaerobic glove box with argon circulation to avoid the ... potential of the centres is small [40,41], and also with the experimental observation for monohaem cytochromes that the effect of anion binding or complex formation on the reduction potential is small...
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Báo cáo khoa học: Structure analysis of the flavoredoxin from Desulfovibrio vulgaris Miyazaki F reveals key residues that discriminate the functions and properties of the flavin reductase family pdf
... exposed to the solvent (Fig S5B) Resolution of the structure of NADP+-bound FeR revealed that the nicotinamide moiety of NADP+ faces the re-side of the isoalloxazine ring, and that the 2Â-P-AMP ... claimed that His126 of A fulgidus FeR is one of the candidates for the ferric ion-binding residue based on the structure of the mercury-bound derivative, although a ferric ion was not found at the ... atoms Two of these are close to the FMN binding site, and the other is on the opposite surface of the protein An anomalous-difference map calculated from the native dataset showed signicant FEBS Journal...
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Báo cáo khoa học: Interaction of caspase-3 with the cyclic GMP binding cyclic GMP specific phosphodiesterase (PDE5a1) potx
... role in the binding of competitive PDE4 inhibitors [36] The side chain of this residue may conceivably p-stack with the purine base of the bound substrate and form hydrophobic interactions with ... cGMP phosphodiesterase can modulate the proteolysis of two cGMP binding cGMP -specific phosphodiesterases (PDE6 and PDE5) by caspase-3 Cell Signal 13, 735–741 Aravind, L & Ponting, C.P (1997) The ... increase in the Km for cGMP The Km for the wild-type enzyme was 2.2 lM compared with 8.4 lM for the D781A mutant The kinetic constants were determined in samples where the expression level of the D781...
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Báo cáo khoa học: Effect of mutations in the b5–b7 loop on the structure and properties of human small heat shock protein HSP22 (HspB8, H11) pptx
... Ao and At are the intensities of the band of intact protein at the beginning of trypsinolysis and at the fixed time of trypsinolysis) against the time of incubation (Fig 8D) The apparent rate constants ... are same as given in (A) Point mutations of the b5–b7 loop of human HSP22 their secondary structure and on superposition of the mammalian protein sequence on the 3D structure of already crystallized ... to provide new information on the structure of sHsp and to shed new light on their role in the development of human congenital diseases Point mutations of the b5–b7 loop of human HSP22 Results...
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Báo cáo khoa học: Expression and characterization of cyanobacterium heme oxygenase, a key enzyme in the phycobilin synthesis Properties of the heme complex of recombinant active enzyme potx
... 498 nm bands and the shift of the band at 630 nm to the longer-wavelength direction At the same time, a broad band with the maximum at approximately 690 nm appears and increases with time The newly ... nm-band of NADPH decreases in proportion to the decrease of Soret band at 410 nm and to the increases of broad band spreading 600–700 nm The latter band was confirmed to belong to biliverdin IXa by the ... spectrum of heme rat HO-1 The former bands, referred as CT bands, are commonly distinctive in high-spin derivatives of ferric hemoproteins, while the latter bands (a- and b-bands) are usually weak in...
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Báo cáo khoa học: Kininogen-derived peptides for investigating the putative vasoactive properties of human cathepsins K and L docx
... for cathepsins, and especially for cathepsin L, than for hK1, but were identical for the four enzymes towards C-BK peptide ( lM) The similar affinity pattern for all peptides indicates that the ... a kcat/Km value similar to that of hK1 Cathepsins B, L and K, and hK1 bound C-BK peptide with a higher affinity than the N-BK peptide (Table 1) The Michaelis constants for N-BK peptide were lower ... 0.01); lane 4, HMWK; lane 5, cathepsin L/ HMWK (molar ratio, 2); lane 6, cathepsin L/ HMWK (molar ratio, 1); lane 7, cathepsin L/ HMWK (molar ratio, 0.25); lane 8, cathepsin L Ó FEBS 2003 Cathepsin K: ...
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Báo cáo hóa học: "Evaluation of the anti-angiogenic properties of the new selective aVb3 integrin antagonist RGDechiHCit" potx
... indicates the importance of RGDechiHCit in the selective inhibition of endothelial aVb3 integrin Such inhibition opens new fields of investigation on the mechanisms of angiogenesis, offering clinical ... this article as: Santulli et al.: Evaluation of the anti-angiogenic properties of the new selective aVb3 integrin antagonist RGDechiHCit Journal of Translational Medicine 2011 9:7 Submit your ... the Guide for Page of 10 the Care and Use of Laboratory Animals published by the National Institutes of Health in the United States (NIH Publication No 85- 23, revised 1996) and approved by the...
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Báo cáo sinh học: " Genetic characterisation of the recent foot-and-mouth disease virus subtype A/IRN/2005" pptx
... propagation of the virus Amino acid comparison of the Leader protease Figure displays the alignment of the deduced amino acid sequence of the first 96 residues of the FMDV Leader protease from the A/IRN/05 ... on the epidemiology of FMDV in Pakistan Open Session of the Research Group of the European Commission for the Control of Foot-and-Mouth Disease (EUFMD) International Control of Foot-and-Mouth Disease: ... Commission for the Control of Foot-and-Mouth Disease (EUFMD): RECOMMENDATIONS of the 73rd session of the executive committee european commission for the control of foot-and-mouth disease (EUFMD)...
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Báo cáo hóa học: " Genetic characterisation of the recent foot-and-mouth disease virus subtype A/IRN/2005" ppt
... propagation of the virus Amino acid comparison of the Leader protease Figure displays the alignment of the deduced amino acid sequence of the first 96 residues of the FMDV Leader protease from the A/IRN/05 ... on the epidemiology of FMDV in Pakistan Open Session of the Research Group of the European Commission for the Control of Foot-and-Mouth Disease (EUFMD) International Control of Foot-and-Mouth Disease: ... Commission for the Control of Foot-and-Mouth Disease (EUFMD): RECOMMENDATIONS of the 73rd session of the executive committee european commission for the control of foot-and-mouth disease (EUFMD)...
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Báo cáo hóa học: " Polycrystallization effects on the nanoscale electrical properties of high-k dielectrics" doc
... (EOT) [17] The impact of the polycrystallization of the Al O layer on the electrical conduction of the gate stack has been analyzed at the nanoscale from current and CPD images obtained on fresh ... strength of the grain boundaries Finally, the influence of the environment conditions on the study of polycrystalline high-k dielectrics was also analyzed The results demonstrate that the reduction of ... of the less conductive areas is similar to the dimensions of the crystals Therefore, the regions with a smaller conductivity could be related to the grains of the polycrystalline structure: the...
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Từ khóa: characterisation of the xylem of 352 conifers7 2 changing the behavior and properties of modulesinfluence of bromine containing fire retardants on the processing and properties of plasticsthe cyclic voltammogram of platinum in acid solutiontoward an explanation of the unprecedented hybrization properties of lnanature s crystal engineers how proteins manipulate the microstructure and properties of mineralsactivation of the cyclic adenosine monophosphate second messenger system by parathyroid hormonechemical constituents of european mistletoe viscum album l isolation and characterisation of the main relevant ingredients lectins viscotoxins oligo polysaccharides flavonoides alkaloidsstudies of the basic pharmacokinetic properties of a drug—a regulatory perspectivethe value of systematic laboratory characterisation of isolatesthe hydrogen bonding properties of moleculesthe import video settings dialog box gives you control of the way your video will be compressed information includes the location and properties of the original file at top the compression settings middle and the output propertiesthe embedded video properties dialog box shows the name of the symbol and the location of the original video file as well as the properties of the compressed video dimensions time and sizethe code hint provides a scrolling list of methods and properties for each object this list contains the methods and properties of the math objectinfluence of the structure and properties of rubber particles on the toughness of amorphous polymersNghiên cứu sự biến đổi một số cytokin ở bệnh nhân xơ cứng bì hệ thốngBáo cáo quy trình mua hàng CT CP Công Nghệ NPVNghiên cứu tổ chức pha chế, đánh giá chất lượng thuốc tiêm truyền trong điều kiện dã ngoạiMột số giải pháp nâng cao chất lượng streaming thích ứng video trên nền giao thức HTTPđề thi thử THPTQG 2019 toán THPT chuyên thái bình lần 2 có lời giảiGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitQuản lý hoạt động học tập của học sinh theo hướng phát triển kỹ năng học tập hợp tác tại các trường phổ thông dân tộc bán trú huyện ba chẽ, tỉnh quảng ninhNghiên cứu, xây dựng phần mềm smartscan và ứng dụng trong bảo vệ mạng máy tính chuyên dùngNghiên cứu khả năng đo năng lượng điện bằng hệ thu thập dữ liệu 16 kênh DEWE 5000Tìm hiểu công cụ đánh giá hệ thống đảm bảo an toàn hệ thống thông tinThơ nôm tứ tuyệt trào phúng hồ xuân hươngThiết kế và chế tạo mô hình biến tần (inverter) cho máy điều hòa không khíTăng trưởng tín dụng hộ sản xuất nông nghiệp tại Ngân hàng Nông nghiệp và Phát triển nông thôn Việt Nam chi nhánh tỉnh Bắc Giang (Luận văn thạc sĩ)Nguyên tắc phân hóa trách nhiệm hình sự đối với người dưới 18 tuổi phạm tội trong pháp luật hình sự Việt Nam (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtTrách nhiệm của người sử dụng lao động đối với lao động nữ theo pháp luật lao động Việt Nam từ thực tiễn các khu công nghiệp tại thành phố Hồ Chí Minh (Luận văn thạc sĩ)BÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘIHIỆU QUẢ CỦA MÔ HÌNH XỬ LÝ BÙN HOẠT TÍNH BẰNG KIỀM