selectivities

[美國]/sɪlek'tɪvɪtɪ/
[英國]/sə,lɛk'tɪvəti/
詞頻: 非常高

中文釋義

n. 選擇性,挑選特性

例句

Second, the selectivity depends on the Coulomb interaction on the surface, not the lipophilicity.

第二,選擇性只與表面的庫倫作用力有關。

The preys spectrum had certain selectivity,appulsive on the Lepidoptera especially the large-scale larva, appulsive on differentstand also.

對於不同類型的林分也有不同的趨向性,對灌木、小喬木等的害蟲防治效果顯著,而對於比較高大樹木上的害蟲防治效果較差。

The catalytic activity and selectivity for hydrodesulfurization(HDS) and hydrodenitrogenation(HDN) were studied by using benzothiophene(BT), dibenzothiophene(DBT) and quinoline as model compounds.

實驗結果表明,升高反應溫度和壓力均提高催化劑的加氫脫硫、加氫脫氮活性;

Glutamic acid fermentation is a kind of biochemistry fermentation engineering.Its selectivity is undivided comparatively.It is oxybiotic fermentation and is strict to air quality.

穀氨酸發酵是一種對發酵菌種選擇性比較專一的生化發酵工程,且爲好氧性發酵。

Cyanopyridine,intermediate of rimifon, was synthesized from 4-picoline using vanadium oxide as a catalyst in a fixed-bed reactor, reached 99% conversion of 4-picoline, 88% selectivity and 87.

以4甲基吡啶爲原料,在固定牀反應器中通過含氧化釩的催化劑發生氣固相接觸氨氧化反應制備雷米封中間體4氰基吡啶,4甲基吡啶的轉化率爲99%,4氰基吡啶的選擇性爲88%,收率爲87。

Of these ions,only 2,6 dinitrophenol,2,4 dinitrophenol and molybdic acid cation show their selectivity coefficents being more than 1 0×10 -2 .

測定了電極對硝酸根等干擾離子的選擇性係數,僅2,6二硝基酚、2,4二硝基酚和鉬酸根的選擇性係數大於10×10-2。

The phenols were O-alkylated with 100% conversion and 100% selectivities using phenacyl bromide and benzyl bromide as alkylating reagents.

用溴代苯乙酮和溴苄爲烷基化試劑,以高產率和100%的轉化率以及100%的選擇性得到了酚的O-烷基化產物。

原聲例句

It is this selectivity that gives these journals their prestige.

也正是這種專一性樹立起了《自然》們的權威性。

來源: The Economist - Technology

Really the selectivity of the curators in purchasing these artworks was quite exceptional.

確實,館長們在購買這些藝術品時的選擇性上是十分卓越的。

來源: BBC Listening Collection July 2016

We achieved selectivity of more than 80 percent, a value that is on par with commercial reactors.

我們實現了超過 80% 的選擇性,與商業反應堆旗鼓相當。

來源: TED Talks (Video Edition) October 2022 Collection

This active process also enhances our frequency selectivity.

有源放大過程也能增強我們對頻率的辨識。

來源: TED Talks (Video Version) Bilingual Selection

By contrast, trained attention is about selectivity, about priority.

相比之下,訓練有素的注意力是關於選擇性的,關於優先級的。

來源: 2023 Celebrity High School Graduation Speech

We haven't found any convincing evidence that selectivity or prestige matters.

我們還沒有找到任何令人信服的證據表明選擇性或聲望很重要。

來源: Sixth Level Morning Reading Beautiful Articles

And the channel's selectivity for sodium is one reason why the best salt substitute out there, potassium chloride, still isn't very good.

通道對鈉的選擇性是導致最好的鹽替代品,也就是氯化鉀,仍然不是很令人滿意的原因之一。

來源: Scishow Selected Series

These large improvements in efficiency, selectivity and production rates are very important because they will ensure that electrochemical reactions are competitive with fossil-fuel-powered ones which are already highly optimized.

這些效率、選擇性和生產率的 巨大提升非常重要,因爲它們保證了因爲它們保證了電化學反應能夠和 已高度優化的化石燃料動力反應競爭。不過啊,尼龍只是成千上萬的化學品 所組成的汪洋大海中的一滴水。

來源: TED Talks (Video Edition) October 2022 Collection

When you're ready to apply, you'll want to think about how competitive it will be to get into each school by looking at their selectivity, or rate of admission.

當你準備申請的時候,你會想通過他們的選擇性,或錄取率,來考慮進入每所學校的競爭有多激烈。

來源: College Life Crash Course

The research team developed a small molecule compound with high selectivity for LB that can provide an objective basis for early diagnosis and holds great scientific value and clinical significance.

研究團隊開發了一種對路易小體具有高選擇性的小分子化合物,可爲早期診斷提供客觀依據,具有重要的科學價值和臨牀意義。

來源: Intermediate English short passage

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