答:空心阴极灯(hollow cathode lamp,HCL)是一种特殊形式的低压辉光放电光源,空腔内用被测元素纯金属或合金制成圆柱形空心阴极,用钨或钛、锆做成阳极。灯内充Ne或Ar惰性气体,压力为数百帕。发射线波长在370.0nm以下的用石英窗口,370.0nm以上的用光学玻璃窗口,放电集中在较小的腔体内,以便能集中向外发射更高强度的...
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HCL files are used with.HDLclause library files, which contain filename references to the clauses in the clause archive. Therefore, when opening an HDL that uses an HCL file, HotDocs extracts and decompresses each clause on the fly as it is needed by the application. ...
护士准备好物品后，携带雾化器、流量表给患者做雾化吸入，协助患者取半坐卧位，安装流量表连接雾化器后准备给患者吸入的过程中，流量表突然脱落，碰到病人头顶部，查看患者头部，无红肿、皮肤无破损，此属于不良事件类型
A chemical element is a common name given to all atoms which have the same number of protons in their nucleus. Examples of elements are chlorine, zinc, and hydrogen. A chemical compound is formed when two or more chemical elements come together and bond electronically (either by electron-...
Question: What is HCl gas? Answer and Explanation:1 Chemical compounds are created when two or more chemical elements bond together. Each chemical compound has a specific chemical formula. For example,... Learn more about this topic: Hydrochloric Acid | HCl Formula, Chemical Properties & Uses ...
1. What is the pH of a 0.05 M HCl aqueous solution? - What is the {OH-} for this solution? 2. What is the pH value of 0.1 M NaOH? What should the pH be of a 40.0 mg/L aqueous solution of NaOH? What is the pH of an 0.20...
What is the pH of a 0.1 M HCl solution? What is the pH of a 0.1M HCl solution? What is the pH of a 0.00100 M HCl solution? What is the pH of a 0.125 M HCl solution? What is the pH of a 0.428 M HCl solution? What is the pH of an 8.0 x 10-8 M HCl solution?
1-(3-Dimethylaminopropyl)-3-ethylcarbodiimide HCl is Commonly known as EDAC, EDC or EDCI, this carbodiimide HCl salt is used as a coupling reagent in the synthesis of amides and carboxylic esters. EDAC is highly soluble in water.
Re: What is the concentration after adding HCl? «Reply #1 on:July 15, 2013, 02:25:46 PM » hint: - write an expression for Ka1 * Ka2 - remember: c0≈≈c for weak acids regards Ingo Logged There is a theory which states that if ever anybody discovers exactly what the Universe...