sample n. 1.樣品,貨樣。 2.標(biāo)本;榜樣,實(shí)例。 3.【統(tǒng)計(jì)】典型取樣,抽檢查。 4.【電訊】信號瞬時(shí)值。 5.【冶金】 〔 pl. 〕 鋅華。 That is a fair sample of his manners. 那就是他的典型態(tài)度。 a light sample 光脈沖。 up to sample 1. 和樣品一樣[相符]。 2. 可以接受的,可以同意的。 vt. 從…取樣,從…抽樣;提供;貨樣;對…進(jìn)行抽樣檢查。
Sampler : the sample chamber is defined by sustomer 取樣器的取樣盒尺寸由用戶決定。
Ball valve sample chamber 球閥取樣器
The recycled dry nitrogen gas is used to purge the sample chamber and upper lid window surface of condensation 循環(huán)的干氮?dú)獗挥糜谂懦惑w內(nèi)的空氣和吹掃頂蓋窗口。
Any material that is raman - active and fits within the sample chamber of the instrument can be measured . typical samples include powders , liquids and polymers 任何拉曼有效并且適合該設(shè)備樣品腔的材料都可以被測量。典型的樣品包括:各種粉塵、液體和聚合物。
Introduce oxygen environment in general sem ( sample chamber in high vacuum of 2 10 - 3 ( 4 10 - 2 pa ) , and directly observe and analyze materials ( no conductive films ) , simultaneously , keep original electron optical and detecting system unchanged 在常規(guī)掃描電子顯微鏡( sem )中引入一定的氧氣(樣品室真空度仍維持在2 10 - 3 ( 4 10 - 2pa ) ,直接觀察和分析非導(dǎo)電樣品,而不需要在樣品表面鍍導(dǎo)電膜。
Fundamental of laser 40ar / 39ar dating method : our laboratory has successfully set up the laser microprobe 40ar / 39ar geological dating method . our works include adjustment of the high - gain electron multiplier in mass spectrometer and correction of mass discrimination , adjustment of the laser , test for absorption ability of minerals to laser , designing and manufacturing high - vacuum sample chamber , sample preparation and irradiation , research on the variability of j values on the surface of rock chips , measuring atmospheric argon , determination and correction of blanks and ages , etc . the laser microprobe technique is particularly effective for some geological samples . it can be used , for example , for research of distribution of the components in extremely small samples that are very difficult to be separated and purified and those which contain excess argon 本文首先從常規(guī)~ ( 40 ) ar ~ ( 39 ) ar階段升溫定年實(shí)驗(yàn)室的改進(jìn)入手,進(jìn)而建立了激光~ ( 40 ) ar ~ ( 39 ) ar定年實(shí)驗(yàn)室,利用這兩種先進(jìn)同位素地質(zhì)定年方法,結(jié)合其他手段,對青藏高原腹地和北緣的阿爾金斷裂系多期地質(zhì)事件進(jìn)行了詳細(xì)的同位素年代學(xué)研究:一、參照國際先進(jìn)實(shí)驗(yàn)室的流程,對我們的常規(guī)~ ( 40 ) ar ~ ( 39 ) ar階段升溫實(shí)驗(yàn)室在樣品的預(yù)處理、樣品的照射條件和系統(tǒng)空白測量及校正等方面進(jìn)行了改進(jìn),使之產(chǎn)出的同位素年代數(shù)據(jù)更可靠并為國際同行所承認(rèn)。