amelioration vs improvement

Some examples from the web:

• objectively searching for the causes of this phenomenon and the permanent amelioration thereof.
• This significant amelioration started from 2007 and continued up to the RIP and was mainly attributed to the surge in demand for ethanolamines in the Asian markets due to production difficulties that occurred in these particular markets during the same period.
• If the EU really does desire the expansion of tourism it must formulate its policies with working people and the amelioration of their standard of living in mind and abandon its tough monetaristic stances which, as has been demonstrated, can only lead to dead ends.
• As a result of the amelioration of the Union industry situation in the years previous to the RIP, the industry invested in new cutting edge technology to produce the product concerned from scrap and partially circumvent the distortions in place on the raw materials.
• The revitalisation of the city centre makes efficient use of the scarce space available for new housing units, commercial facilities and underground parking in Leidschendam, while the amelioration of the public infrastructure contributes to the cohesion of the entire city centre.
• Geneva Convention I for the Amelioration of the Conditions of the Wounded and Sick in Armed Forces in the Field
• Geneva Convention II for the Amelioration of the Conditions of the Wounded, Sick and Shipwrecked Members of Armed Forces at Sea
• In general, treatment-emergent adverse events tended to decrease over time, perhaps accounted for by amelioration of the underlying disease process.
• A preliminary in rem hearing for debt amelioration is a pretty big ask.
• The greatest amelioration was seen in the domains of practical problems and daily activities limited by symptoms.
• Patient safety is understood as the avoidance, prevention and amelioration of adverse outcomes or injuries stemming from the processes of health care.
• The development of new storage systems and techniques permits the amelioration of embedded systems.
• No small part, the hotel's amelioration under your regime.
• Aid for reconstruction and renovation of water reclamation and amelioration systems
• Public contribution to financing the investments in agricultural holdings for construction, reconstruction and improvement of water reclamation and amelioration systems
• Title: Aid for reconstruction and renovation of water reclamation and amelioration systems
• Objective: Public contribution to financing the investments in agricultural holdings for construction, reconstruction and improvement of water reclamation and amelioration systems
• The administrative capacity of the National Agency for Amelioration and Reproduction in zootechnics has not improved. Preparations in this sector should be accelerated.

Some examples from the web:

• The correction and improvement of humankind is indeed realisable.
• Database optimizations yielded 2-3X speed improvement to all product-related requests to Ecwid servers.
• QuadTech is committed to continuous product development and improvement.
• - encourage the improvement and broadening of contacts between economic operators.
• Latest kidney function test shows no improvement.
• The fifth series showed no improvement with 1.1 million viewers.
• So scientifically speaking, this is an improvement.
• The collection then underwent nearly continuous improvement and expansion.
• Excluding non-recurring expense, the improvement was EUR 3.1 million.
• 8D is a problem-solving methodology for product and process improvement.
• There's never the internal resolution, only surface improvement.
• Recovery, improvement of sleep and mood.
• Continuous improvement of the capability process.
• However, there was a non-significant trend for subjective improvement.
• In most speaker/amplifier combinations tried, the ZEROs demonstrated audible improvement.
• PC Suite improvement initiative Nokia operates a policy of ongoing development.
• Our ongoing improvement procedure guarantees manufacture at the optimum price-performance ratio.
• We made great improvement for error tracking.
• Increase delivery with feedback-driven metrics that facilitate continuous improvement.
• Clinical improvement generally occurs within the first week after injection.