As chemical reagent and corrodent of integrated plate.
作化学试剂和集成电路电镀板的消蚀剂。
They experimented with new reagents and succeeded.
"他们用新试剂做了试验,获得了成功。"
The color reaction of Cadion 2B with silver(I) was studied.
研究了镉试剂2B固相萃测定银的方法。
In stead of using butyl nitrite and absolute ethyl-ether as reagents,in an improved method,cupferron.
本文介绍了以亚硝酸酯代替亚硝酸丁酯,用氯苯代替无水醚合成铜铁试剂的新工艺。
Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.
以间硝基苯甲醛,酸酯,氨化试剂为原料。
The trithiocarbonate moiety in turn, functions as a reversible addition fragmentation chain transfer (RAFT) agent.
线形三硫酯基团可以进一步作为RAFT试剂控制其后的合反应。
This method was at low cost, harmless and suitable for extracting,separating and preparing mesaconitine,aconitine and hypaconitine.
方法中所用试剂成本低、毒性小,适用于乌头碱、中乌头碱、次乌头碱的离以及对照品的制备。
Alkylation of ambident nucleophiles different places by using phase-transfer catalytic agent were studied in this paper.
本文研究了在相转移催化条件下对两可亲核试剂不同位置的烷基化反应。
Catalytic synthesis of phenetole by ethylation of phenol with diethyl carbonate(DEC)in fixed bed reactor was investigated.
以碳酸二酯(DEC)为基化试剂,与苯酚在气固相条件下催化合成苯醚。
The products were monobromo-compounds on which the bromine atom occupied the p-position of the activating group.
该试剂反应条件温和,选择性好,是一种有效的活泼芳环的溴化剂。
It is taking hychroperoxides as masking agents, alumnium in titanium alloys was meascred with aluminon ammonium aurintri-carboxylate.
研究了以过氧化氢作为掩蔽剂,用铝试剂测定钛合金中铝的方法。
By access to information,determination methods of alumina are mainly including chrome azurol S method and aluminon method.
经查阅资料,测定铝的主要方法有铬天青S法和铝试剂法。
Vessels : bell glass, flume, airer, alcohol burner, reagent bottles etc.
钟罩、水槽、干燥器、酒精灯和各种规格试剂瓶。
Cleavable block copolymers could be cleaved into separate homopolymers under external stimuli (such as heat, light or agents).
这种合物在外部刺激下(如热、光、特殊试剂等)可以发生解离,从而变为两段均物。
The phenols were O-alkylated with 100% conversion and 100% selectivities using phenacyl bromide and benzyl bromide as alkylating reagents.
用溴代苯酮和溴苄为烷基化试剂,以高产率和100%的转化率以及100%的选择性得到了酚的O-烷基化产物。
Abstract: One-pot synthesis method of diarylmethylamines was investigated using aryl lithium salt,thioformamide and aryl Grignard reagent.
摘 要: 由芳基锂盐、硫代甲胺和芳基格氏试剂一锅法合成了代二芳基甲胺。
Because the reaction is initiated by the attachment of an electrophile, the process is called an electrophilic addition reaction .
因为反应是由亲电试剂的附加而开始的,所以这个过程叫做亲电加成反应。
In this thesis, the carbozincation of acetylenic sulfones and its applications in the stereoselective synthesis of polysubstituted olefins were investigated.
本论文研究了炔基砜的碳锌化反应及其原位产生的α-磺基烯基锌试剂在立体选择性合成多代烯烃中的应用。
Objective To study the cross contamination of alkaline picric acid in glucose determination by hexokinase(HK) method and its preclusion measures.
目的探讨肌酐测定试剂苦味酸对血糖己糖激酶法测定的交叉污染及排除方法。
Among other reagents used have been ??and titanous ion; a mixture of ferrous ion, oxygen, ascorbic acid , and ethylenetetraaminetetraacetic acid.
使用过的其它试剂有?Ш脱穷牙胱印⒀翘?离子氧,抗坏血酸和四胺四酸混合物。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
Intensive efforts have been made to develop drugs, vaccines, and testing reagents.
加强药物、疫苗和检测试剂研发。
It stops selling the kits pending a regulatory review.
该公司停止销售试剂盒以等待监督检查。
Last November, the China Food and Drug Administration approved the test reagent.
家食品药品监督管理总局于去11月批准了该检测试剂。
He says China will purchase 10,000 tests with reagents and other medical supplies for Belarus.
他表示,中购10000份病毒检测试剂盒等医疗物资赠送白方。
We do have testing kits. We're also giving out soap and jugs of water.
我们有检测试剂,我们也有在分发肥皂和水。
Not all the doses will be available immediately.
不是所有的试剂都能立即到位。
A swab is included for people to collect fluid from inside the nose.
试剂盒里有用于集鼻腔内液体的拭子。
Now, this appears to act as well whether the blood is old or new.
现在,不新旧,这种新试剂看来都一样会发生作用。
Yumi Hogan still remembers the day the test kits arrived with great emotion.
由米·霍根仍旧记得试剂盒到达的那天,她情绪很激动。
They watched as the machine combined the elements.
他们看着机器混合了那些试剂。
A blood test kit to diagnose Alzheimer's last week received official approval in Japan.
上周,一种诊断阿尔茨海默症的液检测试剂盒在日本获得了官方批准。
It offers free DNA testing kits through its website.
该项目通过其网站提供免费的DNA检测试剂盒。
China has sent coronavirus testing kits to North Korea to aid its COVID-19 pandemic prevention.
中向朝鲜运送了冠状病毒检测试剂盒,帮助朝鲜预防新冠肺炎疫情。
Morrison is also facing criticism over the shortage of at-home rapid tests.
澳大利亚面临家用快速检测试剂短缺的情况,莫里森也因此遭到民众批评。
Protective equipment included about five million face masks, two million gloves, testing kits and suits.
防护装备包括约500万个口罩、200万副手套、检测试剂盒和防护服。
President Joe Biden announced the US will provide 500 million free rapid coronavirus tests.
美总统乔·拜登宣布,美会提供5亿份免费快速的新冠核酸检测试剂。
The World Health Organization has approved an Ebola test reagent developed by a Shanghai firm.
世界卫生组织正式批准了上海公司研发的埃博拉病毒检测试剂。
The reagent here is not the right kind for the experiment.
这种试剂不是本次实验用的那种。
You can't mix these two reagents together.
你不能把那两种试剂混在一起。
You can kill it by spraying chemicals and government officials are, but some volunteers are also fighting salvinia naturally.
你可以用喷洒化学试剂来杀死它们,当地政府就是这么做的,但是当地民众选择用生物方法来消灭它们。
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