原子炉

Blood lead concentrations were analyzed by seven participating laboratories, each used flameless atomic absorption spectrophotometry and followed the same protocols for BLL measurements.

每个受测实验室参考标准的样本处理分析程序，以石墨炉原子吸收光谱仪来测试血液样本中的铅含量，并需於收到测试样本两个星期内完成测试工作。

Our company can provide various analytical aas graphite furnace, various graphite cone, graphite tube, graphite platform, graphite crucible for gas analysis, graphite gleithretter, graphite sinter pole, heterotype graphite mould, graphite crystallizer, oil free bearing, thermocouple graphite protecting jacket, graphite obturating ring.

我公司可以向国内外用户提供各种分析仪器原子吸收石墨炉，各种型号石墨锥、石墨管、石墨平台；各型号气体分析仪器石墨坩埚、各尺寸石墨滑片、石墨烧结棒、异型石墨模具、石墨结晶器、无油石墨轴承、各型号热电耦石墨保护套、石墨密封圈。也可以来图带料加工。

The molecular sieve is prepared in the steps: at the room temperature, hexadecyl trimethyl ammonium bromide is mixed and dissolved with the sodium hydroxide, and is added with TEOS in dropping way, and simultaneously added with Me metal salt water solution and lanthanum nitrate solution in dropping way; the pH value of the mixed solution is adjusted by acetic acid to be 10 to 11, and is mixed for 1 to 2 hours after being stabilized; the sol is moved into a polyfluortetraethylene bottle to be heated and crystallized for 2 days in the oven at the temperature of 100 DEG C; after filtering, washing and drying for nights, and being calcined in a muffle at the temperature of 550 DEG C for 3 to 7 hours, the dual-metal-atom improved MCM-41 mesoporous molecular sieve is obtained.

该分子筛的制备为室温下，将十六烷基三甲基溴化铵和氢氧化钠混合溶解，搅拌并滴加入TEOS，同时滴加入Me金属盐水溶液和硝酸镧溶液并搅拌，用乙酸调节pH值至10～11，稳定后搅拌1～2小时，溶胶转入聚四氟乙烯瓶中在100℃下烘箱水热晶化2天，经过滤、洗涤、干燥过夜，马弗炉550℃焙烧3-7h，得双金属原子改性MCM-41介孔分子筛产品。

Keywords Flow-injection;hydrid generation;GFAAS

流动注射；氢化物发生；石墨炉原子吸收

The microwave- assisted sample digestion method and determination method for pb and cd in the mollugo pentaphylla l. were established.

方法通过对样品消解方法及仪器参数进行优化，建立了粟米草中pb、cd的石墨炉原子吸收光谱测定方法。

Molysite is introduced into releasing agent and with the increasing sensitivity of molysite ,a method for determination of ultra trace gold in rock samples by graphite furnace atomic absorption spectrometry is introduced.

在解脱测定液中引入三价铁盐，并在其增敏下，使用石墨炉原子吸收法测定岩石样品中的超痕量金。

The determination of lead content in naphtha by graphite furnace atomic absorption spec-troscopy was studied with tetrahydrofuran as solvent, nickelous nitrate as matrix modifier and suitable amount of iodine solution added in samples.

将试样用四氢呋喃稀释，加入适量碘溶液，以硝酸镍为基体改进剂，研究了用石墨炉原子吸收光谱法直接进样测定石脑油中的铅含量。

In the depth surpasses in 10 meter deep well nitrogenation oven technique of manufacture, applied the multi-link graduation to enter the ammonia active nitrogen atom weaken compensation method, caused the nitrided uniformity distinct enhancement.

在深度超过10米的深井氮化炉制造技术中，应用了多环分级进氨气活性氮原子衰减补偿法，使氮化均匀性明显提高。

The Agin water was preconcentrated with CCTS and was then determined by GFAAS .

用CCTS将水中痕量银富集20倍，石墨炉原子吸收光谱法进行检测，检出限(3σ，n=6)为0.406μg/L，相对标准偏差小于6.8%。

Determination of the analyte by GFAAS was performed in parallel with the preconcentration of the next sample.

通过对沉淀器的合理设计，解决了连续进样与非连续测定的矛盾，使流动注射与石墨炉原子吸收光谱联用成为可能。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了