某二元系统,汽相可视为理想气体,液相为非理想溶液,溶液的超额Gibbs函数的表达式为=Bx1x2。在某一温度下,该系
某二元系统,汽相可视为理想气体,液相为非理想溶液,溶液的超额Gibbs函数的表达式为=Bx1x2。在某一温度下,该系统有一恒沸点,恒沸组成是x1=0.8002,恒沸压力是63.24kPa,该温度下纯组分1,2的饱和蒸气压分别为,试求该二元系统在此温度下,当x1=0.40时的汽相组成与平衡压力。
某二元系统,汽相可视为理想气体,液相为非理想溶液,溶液的超额Gibbs函数的表达式为=Bx1x2。在某一温度下,该系统有一恒沸点,恒沸组成是x1=0.8002,恒沸压力是63.24kPa,该温度下纯组分1,2的饱和蒸气压分别为,试求该二元系统在此温度下,当x1=0.40时的汽相组成与平衡压力。
第1题
A(n) ______ document is an interlinked system of documents in which a user may iump from one document to another in a nonlinear,associative way.
A.Hipertext
B.Web
C.Html
D.XML
第2题
A、Insurance policy
B、Endorsement
C、Insurance certificate
D、Contract of carriage
第3题
A、Letter of Acceptance
B、Performance Security
C、Form of Tender/Letter of Tender
D、Letter of Application for Prequalification
第4题
DOM is a platform-and language(1)API that allows programs and scripts to dynamically access and update the content, structure and style of WWW documents (currently, definitions for HTML and XML documents are part of the specification). The document can be further processed and the results of that processing can be incoporporated back into the presented(2). DOM is a(3)-based API to documents, which requires the whole document to be represented in(4)while processing it. A simpler alternative to DOM is the event-based SAX, which can be used to process very large(5)documents that do not fit into the memory available for processing.
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