Scattering

This paper presents a design study of a wavelengthrouted optical router based on flat waveguide components on the Silicon-on-Insulator (SOI) platform compatible with CMOS fabrication processes. The design incorporates Arrayed Waveguide Gratings (AWG), Bragg scattering gratings, and is assisted by resonant ring couplers.

8p viengfa 28-10-2024 4 2   Download

Silver nanoparticles (Ag NPs) were synthesized and characterized by transmission electron microscopy (TEM), X-ray powder diffraction (XRD), and absorption spectroscopy. Using Debye-Scherrer’s formula and the result of the XRD spectrum, the size of the Ag NPs was estimated at approximately 8 nm.

7p viengfa 28-10-2024 1 1   Download

Ultrasound tomography is a non-invasive imaging technique that seeks to determine the internal distribution of acoustic properties within the body by analyzing measured ultrasound data. Based on the distorted Born iterative method (DBIM), this work suggests employing resolution-jumping and beamforming techniques for tomographic ultrasound imaging.

11p vibenya 31-12-2024 12 2   Download

I. ĐỘ HỒI ÂM (Echogenecity): Cơ bản vật lý của sự truyền âm (transmitter) Vận tốc truyền âm trong môi trường Tần số (frequency), độ ly giải (resolution), hấp thu, tán xạ (scattering, diffusion). Truyền âm qua 2 môi trường: khúc xạ, phản xạ. Trở âm (impedance), ngưỡng âm.

82p dell_12 27-06-2013 125 15   Download

I. ĐỘ HỒI ÂM (Echogenecity): Cơ bản vật lý của sự truyền âm (transmitter) Vận tốc truyền âm trong môi trường Tần số (frequency), độ ly giải (resolution), hấp thu, tán xạ (scattering, diffusion). Truyền âm qua 2 môi trường: khúc xạ, phản xạ. Trở âm (impedance), ngưỡng âm.

83p enter_12 29-06-2013 181 38   Download

Bài thực hành 4 - Phân tích dữ liệu bằng biểu đồ. Những nội dung được trình bày trong bài gồm: Các hàm R cơ bản, đọc dữ liệu, Biểu đồ phân bố (histogram), biểu đồ hộp (box plot), biểu đồ thanh (bar plot), biểu đồ tương quan (scatter plot).

25p nhanmotchut_1 04-10-2016 126 5   Download

Nội dung của bài giảng trình bày biểu đồ phân bố geom histogram; điểm thi mô Toán; tuổi thọ của vài lãnh đạo; box plot geom boxplot; 5 yếu tố trong biểu đồ hộp; không nên dùng barplot để mô tả biến liên tục; biểu đồ tán xạ; scatter plot dữ liệu theo thời gian...

50p cothumenhmong2 01-02-2020 49 5   Download

Bài giảng Nhập môn Học máy và Khai phá dữ liệu: Chương 2, chương này cung cấp cho học viên những nội dung về: tập dữ liệu; các kiểu tập dữ liệu; các kiểu giá trị thuộc tính; biểu đồ histogram; đồ thị rải rác (Scatter plot); các nhiệm vụ chính của tiền xử lý dữ liệu;... Mời các bạn cùng tham khảo chi tiết nội dung bài giảng!

31p duonghoanglacnhi 07-11-2022 32 8   Download

Lecture "Administration and visualization: Chapter 7 - Data visualization charts" provides students with content about: How to choose the right chart?; Bar chart; Column chart; Line chart; Histogram; Scatter plot; Violin; Other charts;... Please refer to the detailed content of the lecture!

72p gaupanda031 20-05-2024 5 2   Download

Bài giảng Hướng dẫn sử dụng SPSS trong nghiên cứu marketing gồm có những nội dung chính sau: Regression and correlation, scatter diagram, correlation, regression, multiple regression. Mời các bạn cùng tham khảo để biết thêm nội dung chi tiết!

9p zizaybay1106 19-07-2024 15 1   Download

The main aims of this research are: To determine the phase inversion temperatures for the formation of oil-in-brine nanoemulsions at various salt concentrations using conductivity measurements; To prepare the nano-emulsions at PIT points, and study their stability by measuring their droplet size, polydispersity and size distribution using dynamic light scattering technique; To confirm the DLS results using Cryo-SEM technique;...

324p runthenight07 01-03-2023 11 4   Download

This study focuses on the stability of nano-emulsions produced by phase inversion temperature method using n-Decane and n-Dodecane as the dispersed phase and pure water/brine as the aqueous phase (continuous phase). A non-ionic surfactant (Brij 30) was used in the preparation of the nano-emulsions. Three different types salt namely \(NaCl\), \(KCl\) and \(MgC{l_2}\) were used at different concentrations.

173p runthenight07 01-03-2023 12 3   Download

This thesis aims to build on the current body of knowledge relating to the tertiary radiation contributions within an interventional radiology suite. An accurate estimation of tertiary radiation requires knowledge of the amount of patient-scattered radiation incident onto the concrete ceiling (the patient-scattered air kerma) and the fraction of the radiation incident on concrete that is scattered back towards the point of interest (the concrete-scattered air kerma).

125p runthenight04 02-02-2023 18 2   Download

The objective of this project was to develop \(Ti{O_2}\) based multifunctional substrates through silver decoration, while simultaneously enhancing the photocatalytic performance of \(Ti{O_2}\) in the substrate. Employing Ag nanoparticles introduced additional functionality to the system, namely surface-enhanced Raman scattering (SERS), thus enabling the detection of trace amounts of organic molecules prior to their degradation, all with the same substrate.

123p runthenight04 02-02-2023 11 2   Download

In this thesis, we research and fabricate AgNDs, AgNFs, AuNFs structures on silicon by chemical deposition and electrochemical deposition method for the main purpose of using as SERS substrate. To this target, we have studied the morphology, structure and some properties of the nanostructures produced.

26p extraenglish 24-05-2021 31 4   Download

In this thesis, we research and fabricate AgNDs, AgNFs, AuNFs structures on silicon by chemical deposition and electrochemical deposition method for the main purpose of using as SERS substrate. To this target, we have studied the morphology, structure and some properties of the nanostructures produced.

26p capheviahe27 23-02-2021 36 4   Download

The contribution of the thermal scattering law of hydrogen in light water to isothermal temperature reactivity coefficients for UOX and MOX lattices was studied in the frame of the MISTRAL critical experiments carried out in the zero power reactor EOLE of CEA Cadarache (France).

15p christabelhuynh 30-05-2020 14 2   Download

This work presents an analytic methodology to produce such a covariance matrix-associated to the water model developed at the Atomic Center of Bariloche (Centro Atomico Bariloche, CAB, Argentina).

13p christabelhuynh 29-05-2020 8 2   Download

Sau khi học xong chương này người học có thể hiểu về: Giới thiệu, Các kiểu dữ liệu (Types of data), Kỹ thuật đồ họa cho dữ liệu định lượng (Graphical Techniques for Quantitative Data), Các dạng biểu đồ (Pie Charts, Bar Charts, Line Charts), Sơ đồ phân tán (Scatter Diagrams). Mời các bạn cùng tham khảo!

11p thuyanlac999 21-11-2019 62 4   Download

The thesis aims to propose the Heuristic method algorithm applied to the problem of power grid restructuring with the objective of reducing power loss in case of having / without distributed power source connecting to the distribution grid. Study the effect of distributed power source when connecting to the distribution grid, affecting the power grid restructuring problem.

27p xacxuoc4321 11-07-2019 29 2   Download