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impermanent

a. 暂时的,非永久的

暂时的,非永久的

WordNet (r) 3.0 (2006) (WordNet)

impermanent
adj 1: not permanent; not lasting; "politics is an impermanent
factor of life"- James Thurber; "impermanent palm
cottages"; "a temperary arrangement"; "temporary housing"
[synonym: {impermanent}, {temporary}] [ant: {lasting},
{permanent}]
2: existing or enduring for a limited time only

The Collaborative International Dictionary of English v.0.48 (gcide)

Impermanent \Im*per"ma*nent\, a.
Not permanent.
[1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0 (moby-thesaurus)

64 Moby Thesaurus words for "impermanent":
able to adapt, adaptable, adjustable, alterable, alterative,
brittle, capricious, changeable, checkered, corruptible, deciduous,
dying, ephemeral, evanescent, ever-changing, fading, fickle,
fleeting, flexible, flitting, fluid, fly-by-night, flying, fragile,
frail, fugacious, fugitive, impetuous, impulsive, inconstant,
insubstantial, kaleidoscopic, malleable, many-sided, metamorphic,
mobile, modifiable, momentary, mortal, movable, mutable,
nondurable, nonpermanent, nonuniform, passing, perishable,
permutable, plastic, protean, proteiform, resilient, rubbery,
short-lived, supple, temporal, temporary, transient, transitive,
transitory, undurable, unenduring, unstable, variable, volatile

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英文字典中文字典相关资料:

A single-step crystallization process to remove potassium from sodium . . .
In this work, a novel single-step double salt crystallization (SDSC) process with low energy consumption was proposed to remove potassium from the concentrated sodium aluminate solution using sodium sulfate, and the corresponding removal performance, kinetics and mechanism were studied
Sodium aluminate - Wikipedia
Sodium aluminate Sodium aluminate is an inorganic chemical that is used as an effective source of aluminium hydroxide for many industrial and technical applications Pure sodium aluminate (anhydrous) is a white crystalline solid having a formula variously given as NaAlO 2, NaAl (OH) 4 (hydrated), [4] Na 2 O·Al 2 O 3, or Na 2 Al 2 O 4
A short process for organics removal from sodium aluminate solution by . . .
Based on security filtration using tricalcium aluminate hexahydrate (TCA) as a filter aid, a novel short process to eliminate impurity particles and remove organics simultaneously was presented
Crystallization and Separation of Potassium-Containing Salts in Sodium . . .
To achieve the economical and efficient removal of potassium ions from sodium aluminate solution, a single-stage double salt crystallization (SDSC) process is proposed, using Na2SO4 as an additive to remove potassium in the form of the double salt 3K2SO4∙Na2SO4∙9H2O
comparative study of potassium aluminate and sodium aluminate as catalysts
Both sodium aluminate (NaAlO2) and potassium aluminate (KAlO2) have emerged as potential candidates, primarily due to their basic nature which is conducive to the transesterification of triglycerides
Sodium aluminate | 11138-49-1 - ChemicalBook
Sodium aluminate is a white crystalline solid or solution Sodium Aluminate is used in method for producing Zeolite with enhanced Silicon Aluminum Sodium aluminate is used in the treatment of industrial and municipal water supplies
Sodium aluminate | NaAlO2 | CID 14766 - PubChem
Sodium aluminate is a chemical compound of sodium and aluminum It is used in water treatment as an adjunct to water softening systems, as a coagulant aid to improve flocculation, and for removing dissolved silica and phosphates
Behavior of organics in sodium aluminate solution in the Bayer process
Effects of carbon compounds on crystallization of aluminum hydroxide from sodium aluminate solution and oxidation decomposition of organic compounds in the Bayer process were studied Both organic and inorganic compounds in the liquor decrease the precipitation yield of aluminum hydroxide
NaAlO2 properties - Chemical Portal
Sodium aluminate constitutes an industrially significant inorganic compound classified as a member of the aluminate family The compound exists in multiple compositional forms, with the anhydrous NaAlO₂ representing the most commercially relevant variant
An amorphous sodium aluminate hydrate phase mediates aluminum . . .
With supersaturated sodium aluminate solutions, prenucleation clusters manifest as densely packed arrangements that locally minimize the hydration enthalpy but frustrate the precipitation of crystalline phases

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