Sentence examples for of crude materials from inspiring English sources

For decades, weapons buffs have quietly taught themselves ancient hunting techniques by making atlatls, bows, slings and spears out of crude materials.

After this observation he developed an immunization procedure based on the use of crude material from the cowpox lesions.

This was purified by flash column chromatography (SiO2, 1 1 hexanes:DCM) to give 4.5 g of crude material that was recrystallized in hexanes to afford 4′-fluoroisoflavanone (3.4 g, 56%) as a fluffy white solid.

Cooling the solution gave 2 g of crude material as off-white crystals (17%).

MAK-4 contains 7 μg per dried gram of crude material of trans-resveratrol determined by high performance liquid chromatography.

The EtOAc fraction was dried by flash evaporation, and the yield of crude material was up to 5.7 g.

The laboratory studies of the herbal material were based on aqueous extracts of crude material whilst the clinical studies were based on ethanol extracts.

After repeating twice, ∼2 g of crude material in MeOH was subjected to three rounds of column chromatography on Sephadex LH20 (MeOH eluent, 0.2 mL/min).

Affinity precipitation can reduce the volume of crude material significantly and improve purification efficiency in the early stage of protein purification.

The importance of total polynuclear aromatic (PNA) content to the skin carcinogenic activity of the crude materials was also examined.

The United States, for example, publishes indexes for commodities classified according to stage of processing (crude materials, intermediate materials, and finished goods), according to the durability or nondurability of the products, and according to the economic sector for which goods are intended (consumers, producers, etc).