Sökning: "Stepping stones"

Visar resultat 1 - 5 av 13 avhandlingar innehållade orden Stepping stones.

1. 1. Sensitivity, Variation, and Application of Least-Cost Path Models in Landscape Connectivity Analysis and Corridor Planning

   Författare :Rachel Mundeli Murekatete; Takeshi Shirabe; Gyözö Gidofalvi; Jean Pierre Bizimana; Gerhard Navratil; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Landscape connectivity; Conservation corridor; Stepping stones; Effective distance; Geographic Information Systems; Raster data; Land evaluation; Suitability analysis; Cost surface; Suitability surface; Ordinal scale; Least-cost path; Spatial resolution; Landskapsanslutning; Bevarandekorridor; Stegbräda; Effektivt avstånd; Geografiska informationssystem; Rasterdata; Markutvärdering; Lämplighetsanalys; Kostnadsyta; Lämplighetsyta; Ordinal skala; Lägsta kostnadsväg; Rumslig upplösning; Geoinformatik; Geoinformatics;

   Sammanfattning : In recent decades, Rwanda has been affected by the loss and fragmentation of natural habitats for native species of animals and plants. As a consequence, landscape connectivity—i.e. LÄS MER

3. 2. Sampling from molecular unnormalized distributions with Deep Generative Models

   Författare :Juan Viguera Diez; Chalmers tekniska högskola; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; machine learning; Cheminformatics; conformational sampling; generative models; drug discovery; Boltzmann generators;

   Sammanfattning : This thesis investigates how Deep Generative Models (DGMs) can address important drug discovery problems involving sampling from unnormalized distributions. It consists of two papers focusing on this challenge’s aspects: molecular design and conformational sampling. LÄS MER

4. 3. On Structural Design of High-Speed Craft

   Författare :Mikael Razola; Jakob Kuttenkeuler; Anders Rosén; Olav Fredrik Rognebakke; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; slamming; high-speed craft; finite-element analysis; design methods; experimental analysis; numerical simulations; design loads; statistical analysis;

   Sammanfattning : The development in structural design and construction of high-speed craft has been extensive during the last decades. Environmental and economical issues have increased the need to develop more optimized structures, using new material concepts, to reduce weight and increase performance efficiency. LÄS MER

5. 4. Simulations of Biomolecular Fragmentation and Diffraction with Ultrafast X-ray Lasers

   Författare :Christofer Östlin; Carl Caleman; Nicusor Timneanu; Helmut Grubmüller; Uppsala universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; X-ray free-electron laser; X-ray imaging; Single particle imaging; Computer simulation; Radiation damage; Molecular dynamics; Diffraction theory; Coulomb explosion; Sample heterogeneity; Diffractive noise; XFEL; SPI; Physics with specialization in Biophysics; Fysik med inriktning mot biofysik;

   Sammanfattning : Studies of biomolecules have recently seen substantial developments. New X-ray lasers allow for high-resolution imaging of protein crystals too small for conventional X-ray crystallography. Even structures of single particles have been determined at lower resolutions with these new sources. LÄS MER

7. 5. Angular dynamics of non-spherical particles in linear flows related to production of biobased materials

   Författare :Tomas Rosén; Fredrik Lundell; Daniel Söderberg; Minh Do-Quang; Jason E. Butler; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Fluid mechanics; dispersed particle flows; inertia; non-linear dynamics; rotary diffusion; characterization techniques;

   Sammanfattning : Dispersed particle flows are encountered in many biological, geophysical but also in industrial situations, e.g. during processing of materials. In these flows, the particles usually are non-spherical and their angular dynamics play a crucial role for the final material properties. LÄS MER