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The primary technologies that produce synthetic fuel from syngas are Fischer–Tropsch synthesis and the Mobil process (also known as Methanol-To-Gasoline, or MTG). In the Fischer–Tropsch process syngas reacts in the presence of a catalyst, transforming into liquid products (primarily diesel fuel and jet fuel ) and potentially waxes ...
Medicine: Organic synthesis plays a vital role in drug discovery, allowing chemists to develop and optimize new drugs by modifying organic molecules. [9] Additionally, the synthesis of metal complexes for medical imaging and cancer treatments is a key application of chemical synthesis, enabling advanced diagnostic and therapeutic techniques. [10]
So while a dictionary is an example of a tertiary source, an ancient dictionary is actually a primary source—for the meanings of words in the ancient world. There are no quaternary sources: Either the source is primary, or it describes, comments on, or analyzes primary sources (in which case, it is secondary), or it relies heavily or entirely ...
Here are two sentences showing simple examples of improper editorial synthesis. Both halves of the first sentence may be reliably sourced but are combined to imply that the UN has failed to maintain world peace. If no reliable source has combined the material in this way, it is original research.
Often such sources assume the reader has a basic grounding in the subject being covered, and so will use technical terms without explaining them. In such cases it can be good practice to define the term based on a second source. Similarly, an advanced source might use a common phrase in a context that might confuse the lay reader.
It is the cheapest source of industrial hydrogen, being the source of nearly 50% of the world's hydrogen. [34] The process consists of heating the gas to 700–1,100 °C (1,300–2,000 °F) in the presence of steam over a nickel catalyst. The resulting endothermic reaction forms carbon monoxide and molecular hydrogen (H 2). [35]
Semisynthesis, or partial chemical synthesis, is a type of chemical synthesis that uses chemical compounds isolated from natural sources (such as microbial cell cultures or plant material) as the starting materials to produce novel compounds with distinct chemical and medicinal properties.
Total synthesis targets can also be organometallic or inorganic. [5] [6] While total synthesis aims for complete construction from simple starting materials, modifying or partially synthesizing these compounds is known as semisynthesis. Natural product synthesis serves as a critical tool across various scientific fields.