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Substrate: Flourite
Plants: Dwarf Hairgrass
Fish: 2 Otos, 2 Mickey Mouse platys, 1 red platy
15w "Daylight" CF bulb
DIY CO2
Minor dosing of Flourish every two weeks.
Hoping to carpet the tank with the hairgrass.
Uploaded with the Flock Browser
Substrate: Picea abies, on fallen trunk.
Eesti punase nimestiku liik, ohulähedane (NT).
Püüsaar, Põhja-Kõrvemaa.
Wang et al. first reported a high-flux TFNC-based UF membrane system containing a “nonporous” hydrophilic coating that was water permeable (Pebax or PVA), an electrospun nano-fibrous support, and a nonwoven microfibrous substrate (Fig. 14.9). The TFNC UF membrane was fabricated by cast coating with the separation material on the electrospun membrane. Results indicated that these unique hydrophilic TFNC membranes exhibited a very high flux (several times higher than conventional TFC-based UF membranes) and comparable high rejection ratio for oil-and-water emulsion separation. Interestingly, the permeability of TFNC UF membranes can be dramatically increased by introducing nanofillers (such as surface-oxidized multiwalled carbon nanotubes [MWCNTs] or cellulose nanofibers [CNs]) as a means to induce water channels in the barrier layer. For example, the addition of 1.3 wt% of CNs or 10 wt% of oxidized MWCNTs could increase permeability by two to three times with the similar rejection ratio of 99.8% for oil/water emulsion. Wang et al. also used electrospinning to fabricate a PVA-based substrate, followed by crosslinking to improve the structural stability and mechanical strength of the membrane. In addition, the applied fabricated membrane seems to be efficient in UF techniques because of low membrane fouling in nature. Yoon et al. demonstrated that after 24 h of operation, the permeate flux for the electrospun-based membrane remained stable, whereas a commercial UF membrane experienced severe flux decline. The success of the aforementioned TFNC UF membranes could be attributed partially to the unique characteristics of an electrospun scaffold with high porosity and interconnected pores and the utilization of a highly hydrophilic barrier layer (e.g., PVA).
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Substrate: Populus tremula.
Määraja / Identified By Kadri Runnel.
Eesti punase nimestiku liik, ohustatud (EN).
Lüganuse vald, Ida-Virumaa.
I think the plastic is acrylic, and had a protective plastic film sheet on it when I obtained it. Thankfully, epoxy is able to glue acrylic to wood. Had it been polyethylene or polypropylene, the adhesive results would have been more problematic.
This impressioning tool created a dead-smooth (but flat) surface in the test substrate. Resulting test casts that exhibited spontaneous textures proved that such a process occurs. The limitation of this tool is that it doesn't create curves or sidewalls in the crater, so "ridge flow patterns" and other phenomena won't show up.
As Chilcutt mentioned to me, strong compaction of the substrate will often lead to flat ridge peaks. But this does not occur with all desiccation ridges, as is easily demonstrated by sectioning a cast made in a less compacted substrate.
There is a Bigfoot groupie from Texas who was unable to comprehend the sense in which I use the term "virgin". Ironically, she was involved in something of a "Sasquatch scandal" some time back, due to her loud, public sexual vocalizations at a family-oriented gathering.
Substrate: Picea abies.
Eesti punase nimestiku liik, äärmiselt ohustatud (CR). LK I.
Kuusalu vald, Harjumaa (Põhja-Kõrvemaa).