2) post-masking
滞后掩蔽
3) backward masking
后掩蔽
4) backward masking
后掩蔽效应
1.
Effects of backward masking on the responses of the inferior collicular neurons in the big brown bat, Eptesicus fuscus;
后掩蔽效应对大棕蝠下丘神经元声反应的影响(英文)
5) Masking
[英]['mɑ:skiŋ] [美]['mæskɪŋ]
掩蔽
1.
Discussion on the Masking and Demasking Problem in Analytical Chemistry Teaching Materials of Pharmaceutical Engineering;
关于制药工程专业分析化学课程教学中掩蔽与解蔽问题的讨论
2.
A Reseach on Masking Method for S~(2-) in Basicity Determination of OH~- CO_3~(2-) and HCO_3~-;
OH~-、CO_3~(2-)和HCO_3~-碱度测定中S~(2-)的掩蔽方法研究
3.
A Diagnosis of Cochlear Hydrops Using ABR under Masking of Pink Noise;
粉红噪声掩蔽下的听性脑干反应诊断早期梅尼埃病
6) shelter
[英]['ʃeltə(r)] [美]['ʃɛltɚ]
掩蔽
1.
By means of sheltering the chief reductive substances in the total drain sludge one by one and analyzing the changes of COD before and after the shelters,the writer finds out the primary factors which influence the COD.
通过对总排污口污水中主要还原性物质逐项进行掩蔽 ,分析掩蔽前后污水COD值的变化 ,找出了影响COD的主要因素并提出了改进措施 ,使排污总口COD值大幅降
2.
The function of sheltering nitrite from sulfamic acid is compared with that from sodium azidum.
结果表明：海洋监测规范中ＣＯＤ的测定方法不适合于ＮＯ－２较高的污染海水，比较了氨基磺酸与叠氮化钠对ＮＯ－２的掩蔽效果及测定方法。
3.
And adopt active carbon pretreatment,EDTA complexing,NH_4F shelter and pH control resolve these unstabilizing factors.
采取了活性炭预处理、乙二胺四乙酸钠络合、氟化铵掩蔽和酸度控制等方法来解决不稳定性,并且与火法试金分析结果进行对照,结果相符,方法可行。
补充资料：沉淀掩蔽法
利用沉淀反应降低干扰离子浓度,以消除干扰离子的方法,称为沉淀掩蔽法.
例如,在ca2+,mg2+共存的溶液中,加入naoh使溶液的ph>12,mg2+形成mg(oh)2沉淀,不干扰ca2+的滴定.
应该指出,沉淀掩蔽法,不是理想的掩蔽方法,因为它尚存在着如下缺点.
(1)一些沉淀反应进行得不完全,掩蔽效率不高.
(2)由于生成沉淀时,常有"共沉淀现象",因而影响滴定的准确度,有时由于对指示剂有吸附作用,而影响终点的观察.
(3)沉淀有颜色或体积很大,都会妨碍终点的观察.因此,沉淀掩蔽法的应用不很广泛.
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条