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Handle this corrosive acid with caution in the chemistry lab.

在化学实验室中要谨慎处理这种腐蚀性

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Poly(vinyl alcohol)(PVA)-based polyanion was prepared by esterification of PVA with sulfuric acid.

硫酸与聚乙烯醇(PVA)经酯化制备PVA聚阴离子电解质。

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Four compounds were elucidated as glaucocalgxin A,oleanolic acid,ursolic acid and daucosterol.

分离得到4化合物,为蓝萼甲素、齐墩果酸、乌苏酸和胡萝卜苷。

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Paired electrosynthesis using glyoxylic acid as a model product has been studied in this paper.

以乙醛酸为模型产物,对配对电解合成技术进行了研究。

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The major components were Triphenylmethane, Phytol, n-Hexadecanoic acid, Phenol, 2,4,6-tris (1,1-dimethylethyl).And etc.

其主要成分是三苯基-甲烷、叶绿醇、正十六碳酸、2,4,6-三(1,1-二甲乙基)-苯酚等,这为进一利用蒌蒿提供了学依据。

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Phosphate rock is mixted with sulfuric acid and with revycled first-wash acid in a premixer.

磷矿在一合槽中与硫酸以及循环回的第一洗涤酸进行合。

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The content of senegenin and glycyrrhizic acid were determined by RP-HPLC.

应用高效液相色谱法测定制远志中远志皂苷和甘草酸含量。

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Heptaldehyde and undecylenic acid as the products of c...

环氧化产品用作增塑剂和稳定剂;副产品蓖麻粕作为动物饲料。

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Now they wear rubber fingers treated with lactic acid.

现在他们带上了用乳酸处理过的橡皮指套。

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Acid phosphatase was initially contained within a continuous membrane in a sedimentable particle.

酸性磷酸酶最初包含在可沉淀颗粒的连续膜内。

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The quantitative determination of inosine and inosinic acid was conducted by High Performance Liquid Chromatography(HPLC).

本试验改进了肌肉中肌苷酸测定的高效液相色谱法。

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Experiment is done on the acid hydrolysis of titanium-columbite-tantalite ore difficult to decompose.

对难分解的钛钽铌矿的分解工艺进行了试验研究。

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An acid can react with a base to form a salt.

和碱起化学反应成盐。

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Technology of nuclear fuel cycle.Determination of neptunium in nitric acid solutions by molecular absorption spectrophotometry.

核能.核燃料循环技术.分子吸收分光光度法测定硝酸溶液中的镎Nuclear energy.

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Stearone glycol fumaric acid (SGF) was synthesized with maleicanhydride, cinnamyl alcohol and ethylene glycol.

由于烯二酸酐经醇解转型酯化途径合成了对皮肤无过敏反应的反丁烯二酸桂醇甘醇酯(SGF)。

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PFOA and other related long-chain fluorochemicals stick to blood proteins and masquerade as digestive acids.

PFOA和其他相关的长链含氟化合物会附著在血液里的蛋白质,假装成消化分子。

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The gravimetric method for determinating organic phosphonic acid HPBA with quinoline phosphomolybdate is studied.

用喹啉磷钼酸盐重量法对有机膦HPBA主含量的测定进行了分析研究。

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The splitting of zofenopril was gained by zofenopril free acid forming salt with dicyclohexylamine.

采用二环己胺对佐芬普利酸进行拆分,收率达36%。

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Thioglycolic acid(TGA) was synthesized from thioglycolic acid and sodium hydrosulfide under common pressure.

研究了以硫氢化钠和氯乙酸钠为原料常压合成巯基乙酸。

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Glycerate 3-phosphate (phosphoglyceric acid) The phosphorylated form of glyceric acid, a 3-carbon atom molecule.

(磷酸甘油酸)是甘油酸的3号碳位生磷酸化后的形式。

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科学60秒-科学美国人 20209

Phosphoric acid is often used today to prolong the shelf life of alcoholic beverages.

磷酸现在常被用来延长酒精饮料保质期。

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雅思词汇:类别识记

The critic's acid remarks hurt the director's feelings.

评论家尖刻评论伤害了导演感情。

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四级听力真题精听

I remember the harsh acid smell of the cleaning solution, and the scraping sound of stiff iron brushes against rough brick.

我记得清洁溶液刺鼻酸味,以及坚硬铁刷刮擦粗糙砖块声音。

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怦然心动精选

Stomach acid? You'd like to think that.

用胃酸吗 估计你就会这样想。

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BBC英语大破解

Seaweed is rich in fibre, iodine and omega-3 fatty acids.

海藻中富含纤维、碘和欧米伽3脂肪酸。

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CRI在线 20211

It's initiating a 2nd round of citywide nucleic acid testing.

该市将启动第二轮全市范核酸检测。

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CRI在线 20217

Local health authorities found the positive results during routine nucleic acid testing for airport staff.

当地卫生部门在对机场工人员进行常规核酸检测时发现阳性检测结果。

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CRI在线 20222

All local residents are expected to participate in three rounds of nucleic acid testing.

预计所有当地居民都将参加三轮核酸检测。

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CRI在线 20224

Shanghai will conduct city-wide nucleic acid screening in batches starting from Monday morning.

上海将从周一上午开始在全市范分批开展核酸检测。

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瑞克与莫蒂 第一季(双语)

They're soaked with my stomach acid.

都泡在我胃酸里了。

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CRI在线 20209

Passengers on flights to China are required to provide negative nucleic acid test results before boarding.

搭乘来华航班乘客在登机前必须提供核酸检测阴性证明。

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少儿百科之歌

Carbon dioxide and sulphuric acid clouds is what makes up my atmosphere, and for this, I am very proud.

二氧化碳和硫酸云是我大气组成成分,我为此非常骄傲。

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美国国家公园

The acid created the caves by dissolving the limestone in its path.

通过溶解其路径中石灰岩而形成了洞穴。

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《环球时报》阅读精选

Many nucleic acid testing booths were made redundant after China scaled back mandatory testing.

在国减少强制性检测后,许多核酸检测点被取消。

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绝望主妇(音频版)第二季

Can you blame me, after sending me that acid letter? -Letter? What letter?

你写了那样刻薄信还能怪我吗?-信?什么信?

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Presidencies of the United States

They did use salicylic acid, a derivative of aspirin, for various things.

他们确实使用了水杨酸,一种阿司匹林衍生物,用于各种用途。

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AsapSCIENCE - Human

Many drugs exist, like benzoyl peroxide, which kills specific acne-causing bacteria, salicylic acid, which helps to remove dead skin blockages, retinoids, which reduce sebum production, and a variety of others —though some drugs can have severe side effects.

目前有许多药物,像是过氧化苯甲酰,那能消灭特定致痘细菌,水杨酸,有助去除死皮造成阻塞,维他命 A 酸,那能减少皮脂生成,还有其它许多药物--不过有些药物可能会造成严重副用。

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BBC 听力 20205

Temperatures are being taken and recorded several times a day and all the students had to pass a nucleic acid test before they were allowed back.

学生们每天都要测量和记录几次体温,所有学生都必须通过核酸检测才能返校。

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《中国日报》阅读精选

The Jiangsu province education examination authority had required that all test takers have a nucleic acid test on Tuesday and report their results to an online system before Wednesday.

江苏省教育考试院要求所有考生在周二进行核酸检测,并在周三之前将结果上报到线上系统。

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Osmosis-泌尿

High levels of uric acid can also cause gouty arthritis, most commonly in the first metatarsal joint which is the base of the big toe.

高尿酸会导致痛风性关节炎,最常发生于第一跖骨关节即拇趾基底部。

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luteotropin, luteous, lutescens, lutescent, lutestring, Lutetia, Lutetian, lutetium, Luther, Lutheran,

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3G, 401(K), a,
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