Search for dissertations about: "Wenxin"

Found 5 swedish dissertations containing the word Wenxin.

  2. 1. A comparative study of natural illites from different origins

    Author : Wenxin Liu; Luleå tekniska universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Chemistry of Interfaces; Gränsytors kemi;

    Abstract : .... READ MORE

  4. 2. Surface reactions of natural illites from different origins

    Author : Wenxin Liu; Luleå tekniska universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Chemistry of Interfaces; Gränsytors kemi;

    Abstract : Studies of natural illites from different origins were performed, including surface acid-base properties, determination of total inorganic carbonates, and spectroscopic investigations of chemical and structural nature as well as alterations of surface properties by acid-base titration. Using surface complexation model, the fitting results showed that the acid-base behavior of aqueous illite surfaces was dominated by deprotonation procedure. READ MORE

  5. 3. Tracking environmental changes of the Baltic Sea coastal zone since mid-Holocene

    Author : Wenxin Ning; Centrum för miljö- och klimatvetenskap (CEC); []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES;

    Abstract : In this thesis, I used two coastal sediment sequences from SE Sweden to study how Baltic Sea coastal environment has changed since the mid-Holocene. The results show the coastal environment has been influenced by multi-stressors, such as climate change, shoreline regression and anthropogenic activities. READ MORE

  6. 4. The role of biogeophysical feedbacks and their impacts in the arctic and boreal climate system

    Author : Wenxin Zhang; Institutionen för naturgeografi och ekosystemvetenskap; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Arctic and boreal vegetation change; Biogeophysical feedbacks; Albedo; Latent heat; Carbon budget; Representative concentration pathways; Eearth system model; LPJ-GUESS; RCA; Sea ice;

    Abstract : The physical environment in the northern high latitudes including the Arctic cryosphere has undergone dramatic changes due to anthropogenic greenhouse gas warming, which since pre-industrial times has been twice or more the rate of global mean warming. Global climate models predict that this accelerated warming will continue for at least the next few decades. READ MORE

  7. 5. Injectable Composite Hydrogels Based on Metal-Ligand Assembly for Biomedical Applications

    Author : Liyang Shi; Jöns Hilborn; Dmitri Ossipov; Wenxin Wang; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; injectable; hydrogel; shear-thinning; self-healing; coordination chemistry; biomedical applications;

    Abstract : This thesis presents new strategies to construct injectable hydrogels and their various biomedical applications, such as 3D printing, regenerative medicine and drug delivery. These hydrogels cross-linked by dynamic metal-ligand coordination bonds exhibit shear-thinning and self-healing properties, resulting in the unlimited time window for injection. READ MORE