| 摘要 |
Vessel, useful in heat transmission regulation, includes a sealable, outer housing and a sample compartment generally enclosed therein such that a hollow portion between at least a part of the housing and compartment is present. The hollow compartment can contain a predetermined quantity of a gas. The sample compartment may be supported, and a multiple-part vessel can be provided. Such a vessel can be made to include standard-manufacture components, being easy to make and use, and/or be especially useful in viscosity testing.
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