In slurry the shear force caused by mixing or filtration can impact how the components of the slurry behave. The most negative influence is when shear makes the particle agglomerate with itself or other slurry components causing the slurry to congeal (or gel) or increases settling of the particle out of slurry.
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Express mail is an accelerated mail delivery service for which the customer pays a surcharge and receives faster delivery. Express mail is a service for domestic and international mail and is in most countries governed by a country's own postal administration.Since 1998, the international accelerated delivery services are governed by the EMS Cooperative.xpress Mail Service (EMS) is an international express postal service offered by postal-administration members of the Universal Postal Union (UPU). These administrators created the EMS Cooperative in 1998 within the framework of the UPU to promote the harmonization and development of postal services worldwide.