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Báo cáo hóa học:

Báo cáo hóa học: "Cobalt and Nickel Nanopillars on Aluminium Substrates by Direct Current Electrodeposition Process" pdf

Hóa học - Dầu khí

... rate of 0.8 V s-1 The voltage was then maintained constant for 20 in order to achieve a suitable hexagonal arrangement of the pores When the first anodization stage finished, the aluminium oxide ... of the pore bottom tips of the NAAMs was penetrated In this step, the previous value of the current density was halved, and the sample was re-anodized Then, the voltage fell until it reached ... pore bottom [22] The current stabilizes when the ionic diffusion can compensate for this depletion, and the metallic nanopillars grow filling the pores (section 2) (Fig 3c) When the pores are entirely...
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Báo cáo khoa học:

Báo cáo khoa học: "A rare case of “switch on and off” multi-system Langerhans cell histiocytosis in an adult patient" doc

Báo cáo khoa học

... these patients were treated with surgery, chemotherapy or combination therapy The majority of these treated patients relapsed and underwent second-line treatment [8] In data collected from the ... chemotherapy or multi-agent chemotherapy, according to studies performed in children [2,4,5], whereas in pulmonary LCH, smoking cessation is mandatory, with glucocorticoid therapy used on the ... scan showed the extinction of the lesion on the right humerus (Figures 1C and 1D) We decided to stop treatment, except for advising the patient to cease smoking immediately, which she did One year...
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VIRTUAL CHASSIS TECHNOLOGY ON EX8200 ETHERNET SWITCH MODULAR PLATFORMS

VIRTUAL CHASSIS TECHNOLOGY ON EX8200 ETHERNET SWITCH MODULAR PLATFORMS

Quản trị mạng

... where the distance between XRE200 devices and the EX8200 line chassis exceeds the maximum reach of a Cat or Cat cable, dedicated low-end Layer switches such as the Juniper Networks EX2200 Ethernet ... available on the EX8200 line of Ethernet switches Virtual Chassis Technology on EX8200 Line of Ethernet Switches Virtual Chassis technology on the EX8200 switches provides a scaled solution for ... used to connect the active and standby XRE200 devices when the distance between them exceeds the span of the Cat or Cat cable—for instance, when a Virtual Chassis configuration is spread between...
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Tài liệu tiếng anh Điện tử công suất mạch MERS A new AC current switch called MERS with low on state voltage IGBTs for renewable energy and power saving applications

Tài liệu tiếng anh Điện tử công suất mạch MERS A new AC current switch called MERS with low on state voltage IGBTs for renewable energy and power saving applications

Tự động hóa

... operation principle of the MERS is based on controlling the path of the current through the device (Fig 2) By doing this can either the phase of the current or the size of the injected voltage be ... not cause any resonant problems The configuration of the system when using the MERS is shown in Fig 9(b) The concept can be further explained by the use of phasor diagrams, as shown in Fig 10 There ... illustrating the purpose of the MERS (a) Equivalent circuit of the power conversion system with MERS (b) Phasor diagram when the MERS is not activated (c) Phasor diagram when the MERS is compensating the...
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Configure RSM (Route Switch Module) on the 4006 L3 Routing Switch

Configure RSM (Route Switch Module) on the 4006 L3 Routing Switch

Quản trị mạng

... The syntax for creating VLANs on the 4000 series switches is simple We create and name the VLANs first and then assign ports to them later When the connection is established to the 2900XL they ... e Create the port channel groups We’re going to create two channel groups Fastethernet ports 3-4 will be used to establish a 200Mb link between the 4006 and the 2900XL switches The other channel ... between the RSM and the backplane of the 4006 For the purposes of channeling, these ports are referenced as 2/1-2 but keep in mind that we are not utilizing the two physical gigabit ports on the RSM...
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Tài liệu Lab 6.2.8 Password Recovery Procedure on a Catalyst 2900 Series Switches ppt

Tài liệu Lab 6.2.8 Password Recovery Procedure on a Catalyst 2900 Series Switches ppt

Quản trị mạng

... on while holding down the “MODE” button on the front of the switch at the same time that the switch is powered on Release the “MODE” button after the STAT LED goes out c The following output should ... cycle the switch and verify that the passwords are now functional If not, repeat the procedure Step Procedure for the 1900 and 2800 switches a Check the boot firmware version number from the Systems ... access the Systems Engineering menu, follow the procedure below: Disconnect the power cord from the rear panel Press and hold the Mode button on the front panel Power-cycle the switch Release the...
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Tài liệu Lab 6.2.8 Password Recovery Procedure on a Catalyst 2900 Series Switches docx

Tài liệu Lab 6.2.8 Password Recovery Procedure on a Catalyst 2900 Series Switches docx

Quản trị mạng

... Control (MAC) address of the switch The serial number is usually located on the back of the unit To obtain the MAC address, remove the cover and read the Ethernet address of the Programmable Read-Only ... on while holding down the “MODE” button on the front of the switch at the same time that the switch is powered on Release the “MODE” button after the STAT LED goes out c The following output should ... Configure the host attached to the switch Configure the host to use the same subnet for the address, mask, and default gateway as on the switch Step Verify connectivity a To verify that the host...
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Tài liệu Effect modification of air pollution on Urinary 8-Hydroxy-2’-Deoxyguanosine by genotypes: an application of the multiple testing procedure to identify significant SNP interactions ppt

Tài liệu Effect modification of air pollution on Urinary 8-Hydroxy-2’-Deoxyguanosine by genotypes: an application of the multiple testing procedure to identify significant SNP interactions ppt

Điện - Điện tử

... of the SNP and the pollutant simultaneously with both the main effect terms adjusting for the same covariates as the above [12,23] Because two dozens of candidate SNPs were involved in the analyses, ... step-down procedures, the hypotheses corresponding to the most significant test statistics are considered successively, with further tests depending on the outcomes of earlier ones Therefore, it is ... and GCLC, but the situation varied for other candidate genes There were no obvious differences for the distributions of wild and heterozygous types in GCLM, GC and GSTP1 (rs1695) Heterozygous types...
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ENGLISH-RUSSIAN TERMS ON CIVIL LAW AND LAW OF CIVIL PROCEDURE pptx

ENGLISH-RUSSIAN TERMS ON CIVIL LAW AND LAW OF CIVIL PROCEDURE pptx

Cao đẳng - Đại học

... on the base of general and special dictionaries, encyclopedias, publications and periodicals appeared for the last decade and contains about 14 000 terms and terminological combinations The dictionary ... Compiled by S.D Oskina, senior teacher Editors: L.B Tkacheva, candidate of philological science, professor L.A Terehova, candidate of law, an ... причины corporate ~ from the state – юридическое отсутствие корпорации на территории штата entirely voluntary ~ – добровольное отсутствие (неявка; самовольное отсутствие) in the ~ of evidence – за...
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Báo cáo khoa học: Effect of ecdysone receptor gene switch ligands on endogenous gene expression in 293 cells docx

Báo cáo khoa học: Effect of ecdysone receptor gene switch ligands on endogenous gene expression in 293 cells docx

Báo cáo khoa học

... set, the model yijk ¼ l + + bj + cij + eijk was fit, where yijk is the log-transformed expression level of the kth chip in the ith treatment and the jth replicate The variable l represents the grand ... even erased by the likelihood that actual gene therapy dosage would be significantly lower than the 10 lm studied here Likewise, judicious choice of the specific member of the AMK chemotype may confer ... expression The horizontal bar in the plot represents the significant level of 0.001 for the t-test under the assumption that each gene has a unique variance The vertical bars represent the genes...
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A digitally controlled switch mode power supply based on matrix converter

A digitally controlled switch mode power supply based on matrix converter

Điện - Điện tử

... function and where voltage vector Matrix converter output voltage, from the inverter mode of operation as is the input , is derived (2) where is the inverter mode transfer function The line current ... components in the input current of filter The value of matrix converter can be filtered via a filter capacitor is selected by the following equation [7]: (33) where is the power rating, is the peak of ... of the proposed approach are discussed Fig shows the high frequency output voltage of the matrix converter Fig 10 shows the 48-V dc output voltage Fig 11 illustrates the performance of the proposed...
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Báo cáo toán học:

Báo cáo toán học: " R bits user selection switch feedback for zero forcing MU-MIMO based on low rate codebook" docx

Toán học

...  , where ⋅  is floor function 3.5 Feedback overhead In USS feedback scheme, the extra USS information is added after quantized CSI, and the feedback overhead is changed So, the overhead ... in which the users are scheduled together to form MU-MIMO 2.4 ZF precoding After the paired user set V is determined, BS will calculate the precoding matrix for these paired users The precoding ... criteria [20–25] and the basic principle is to maximize the total throughputs of the paired users It is known that in MIMO transmission, the higher throughput will be gotten with the smaller channel...
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Báo cáo hóa học:

Báo cáo hóa học: " Anodization of nanoporous alumina on impurityinduced hemisphere curved surface of aluminum at room temperature" pptx

Hóa học - Dầu khí

... so the heataffected zone would be in a shape of a hemisphere due to the lower thermal conductivity of alumina, as shown in Figure 4a The isothermal is along the surface of the hemisphere Therefore, ... the electrochemistry reaction during the AAO process The about eleven-orderhigher resistivity Si possesses, the greater Joule heat the foil can generate around the spot of impurity The HPA then ... L is the length of the central pore channel and r and l are the same as in Equation Therefore, the depth difference also depends on the length of the pore channels On the other hand, the electrical...
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Báo cáo hóa học:

Báo cáo hóa học: " Preparation and characterization of superhydrophobic surfaces based on hexamethyldisilazane-modified nanoporous alumina" pptx

Hóa học - Dầu khí

... analysis of the samples was performed to quantify the density of the methyl groups chemically attached to the alumina surfaces Results and discussion The morphology of the electrochemically prepared ... Increasing the HMDS treatment time of the nanoporous alumina surface to h led to further increase of the water contact angle to (153.2 ± 2)° These results clearly illustrate the necessity of the surface ... and, thus, the estimated θ C represents the lower bound of the expected water contact angle In the experiment, the true wetted fraction of the solid surface is likely smaller due to the sharp asperities...
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Báo cáo hóa học:

Báo cáo hóa học: " Performance evaluation on an air-cooled heat exchanger for alumina nanofluid under laminar flow" pdf

Hóa học - Dầu khí

... decrease in the specific heat of the nanofluid Further, the efficiency of waste heat recovery in the heat exchanger increased due to the higher convective heat transfer coefficient of the nanofluid ... liquid The pressure drop (dP) of the liquid was The accuracy of the flow meter is ± 2.0% The accuracy of the precise electric balance is ± 0.01 g The accuracy of the thermocouple is ± 0.5°C Therefore, ... higher temperature and the increased mass flow rate of fluid Furthermore, the higher temperature and mass flow rate strengthen the collision of nanoparticles with the wall of heat exchanger These...
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Báo cáo hóa học:

Báo cáo hóa học: " Porous anodic alumina on galvanically grown PtSi layer for application in template-assisted Si nanowire growth" doc

Hóa học - Dầu khí

... compared to the one obtained without the PtSi layer, are shown in Figure The general form of the curves is the same as that of the Al/Si anodization curve up to the time that the pores reach the Al2O3/Si ... illustrate the above results In the first case the sample used was PAA/S-15 and the process was stopped before the final current increase in the anodization curve In the second case the sample ... followed the same behavior with that described above, which means that a thin SiO2 film was formed underneath the PtSi layer by oxygen diffusion through the silicide On the other hand, in the other...
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Báo cáo hóa học:

Báo cáo hóa học: " Magnetotransport in an aluminum thin film on a GaAs substrate grown by molecular beam epitaxy" ppt

Hóa học - Dầu khí

... investigated here A classical PMR based on the twoband model [14,15,29] results in this B2 dependence in the low-field regime where the Fermi surface is spherical With increasing B, the number of ... careful treatment for the size effects considering the surface conditions is proposed by Soffer [24] Here, we use Soffer’s theory as the beginning of our analyses for the zero-field resistivity ... undergoing Bragg reflection at the cusps in the second Brillouin zone increases, leading to the linear dependence on B for r xx [26,27] Another phenomenon regarding the crossover from electron- to...
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báo cáo hóa học:

báo cáo hóa học:" R bits user selection switch feedback for zero forcing MU-MIMO based on low rate codebook" doc

Hóa học - Dầu khí

...  , where ⋅  is floor function 3.5 Feedback overhead In USS feedback scheme, the extra USS information is added after quantized CSI, and the feedback overhead is changed So, the overhead ... in which the users are scheduled together to form MU-MIMO 2.4 ZF precoding After the paired user set V is determined, BS will calculate the precoding matrix for these paired users The precoding ... criteria [20–25] and the basic principle is to maximize the total throughputs of the paired users It is known that in MIMO transmission, the higher throughput will be gotten with the smaller channel...
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Báo cáo hóa học:

Báo cáo hóa học: "Fabrication of Densely Packed AlN Nanowires by a Chemical Conversion of Al2O3 Nanowires Based on Porous Anodic Alumina Film" potx

Hóa học - Dầu khí

... strategy, the porous anodic alumina film on aluminum is etched into the alumina nanowires, and then the alumina nanowires are chemically converted into the AlN ones In principle, the successful ... wt), the Al sheet was again anodized under identical conditions to those of the first anodization for 30 min, which results in forming porous alumina film on the aluminum surface Then, the as-prepared ... And then the following reaction can take place: Al2 OðnanowireÞ þ 2NH3 ¼ 2AlNðnanowireÞ þ H2 O þ 2H2 : As a result, the Al2O3 nanowires are chemically converted into the AlN nanowires Furthermore,...
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