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提问人:网友wh139634 发布时间:2022-01-06
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A larger contact angle over 90° suggests a good wetting of liquid droplet on solid surface.()

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更多“A larger contact angle over 90° suggests a good wetting of liquid droplet on solid surface.()”相关的问题
第1题
Under normal conditions, the most important components of water potential of a plant cell are gravity potential and matrix potential.
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第2题
Evaluation of writing output may cover task achievement, coherence and cohesion, lexical resources, sentence variety, grammatical accuracy, as well as critical thinking strategies.
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第3题
-- C'est ta soeur? -- Non, elle est la fille de mes . Nous avons du même âge.

A、amis

B、parents

C、grands-parents

D、mère

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第4题
The correct descriptions about glycogen synthase are

A、It is the key enzyme for glycogen synthesis.

B、There are two forms: phosphorylation and dephosphorylation.

C、The phosphorylation form is inactive.

D、Glycogen synthase is activated by protein kinase A.

E、Enzyme activity is regulated by hormones.

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第5题

Some years ago, a well-known perfume company invented a concept called "the Aviance night." In the ads, a housewife was shown primping for a night on the town, sashaying around the bedroom and flipping her hair from one side to the other as she puts on her earrings. __example__I never had an Aviance night. I don&39;t, as a general rule, sashay. __1__ My longing tends to coalesce and rise to the surface, like chicken fat, every February. It&39;s not that my husband and I don&39;t go out. Every Valentine&39;s Day, Ed will dutifully reserve a table at a romantic restaurant. I look forward to it until about five o&39;clock on the actual date. Somehow the mood never seems to fit. __2__ Suddenly I don&39;t feel like going to an unfamiliar, overpriced restaurant. __3__ But this is Valentine&39;s Day, and we must persevere__.4__"The living room" is not an acceptable answer to "Where did Ed take you for Valentine&39;s?" This year is no different. Poor Ed. He&39;s trying very hard__5__He cocks his head to one side, as if seeing me anew, in the fresh dawn of reawakened love. "Are you wearing an odor?" Ed is romantic, but not in the traditional manner. __6__Ed brought them in and set them down on the floor near the door, at the farthest point from the bedspread and other combustibles, completely out of our view. "They still provide some nice ambient illumination," he said. It was like getting into bed with Norm Abram. __7__I didn&39;t know such a thing existed. Another time he tried to surprise me with a romantic bubble bath, not realizing that sometime during the day, something had gone wrong with the hot water heater, and the bath water was stone cold. __8__

A、I put on perfume and wait for the unseen chorus to kick in, but hear instead the dulcet tones of my sweatpants calling out to me.

B、As she douses herself with Aviance perfume, an unseen chorus conjectures excitedly that "she&39;s gonna have an Aviance night!"

C、I want to go somewhere comfortable and known, a place where the wine doesn&39;t cost more than my shoes and the waiter won&39;t look down upon me for making "daikon" rhyme with "bacon."

D、For tomorrow, the Aviance Day after, friends and co-workers will grill us as to the activities of the night before.

E、No doubt we&39;d forgotten to send flowers on Plumbers and Steamfitters Day and the Local 486 had sabotaged our tank.

F、But I cannot completely silence that part of me that longs, every now and again, to be heading off confidently and aromatically into a night of candlelit romance.

G、I once suggested that we bring the dining room candles into the bedroom.

H、I once asked him to pick up some massage oil, and he came home with an unscented variety.

I、As we dress to leave, he takes my hands in his and leans in close.

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第6题
What are the limitations of boron fiber?

A、their mechanical strength are too low.

B、Boron fibers are expensive.

C、Boron fibers is hard to process into composite.

D、Boron has a tendency to react with other metals

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第7题
The basic structure of boron fiber is that the center core is the tungsten wire, and the outer shell is made of amorphous boron
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第8题
Which one is NOT ceramic matrix?

A、Alumina (Al2O3)

B、Phosphorus pentoxide (P2O5)

C、Silicon nitride (Si3N4)

D、Aluminum nitride (AlN)

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