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A new method for the determination of zinc in relish by microsample introduction-derivative flame atomic absorption spectrometry with higher sensitivity and a small quantity sample was investigated.
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将微量脉冲进样技术和导数火焰原子吸收法结合 ,建立了测定调味品中锌含量的新方法。 |
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A new method including the nitration and oxidation of synthesis of Nitro , benzodioxide acid was introduced. The raw material is safrole.
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报道了直接以黄樟油为原料,经硝化和氧化制备 硝基胡椒基酸的新工艺。 |
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A new style of valve control hydraulic pistol for automatic supercharger
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新型阀控式自动增压注液枪 |
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A new subgoal discovery algorithm based on k-cluster is proposed which can extract subgoals from the set of trajectories collected online by clustering them.
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提出了一种基于k-聚类的Subgoal自动发现算法,该算法能通过对在线获取的少量路径数据进行聚类的方法抽取出Subgoal. |
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A new synthetic method of -methylthio--substituted-aromatic- imidazo[, -e]-, ,-triazine--(7H)-ones is established in this paper. The Curtius Rearrangment was used successfully and high yield was obtained with some derivatives of -Azapurine.
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本文报道 -甲硫基--取代芳基-咪唑并[,-e]-,,-三嗪--[7H]-酮类化合物的合成,成功地利用Curtius重排得到了高收率的-氮杂嘌呤衍生物. |
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A new variety indigenous to Sichuan province, Cimicifuga foetida L. var. purpurea C.
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本文报道四川产升麻一新变种紫花升麻Cimicifuga foetida L.var. purpurea C. |
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A novel approach to treat neonatal abnormalities in their earlier stage-Feasibility of the deˉlivery room surgery system
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小儿外科畸形早期外科干预新途径—产房外科的可行性 |
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A novel aroma material,menthyl-b-D-glycoside(MGLY) was stereo-selective synthesis by the modified Koenigs-knorr method.
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为了开发热稳定的、致凉型香原料,采用改进的Koenigs-knorr法立体选择性的合成了薄荷醇-β-D-葡萄糖苷(Menthyl--βD-Glycoside,MGLY); |
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A novel residue dissolving agent LY has been developed, which can intensely corrode the residue and the cake, and the corrosion rate is over 80% when w (LY ) =8%.
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提出了新的残渣处理剂LY— ,它能够强烈地溶蚀HPG胶水基压裂液残渣和滤饼 ,当w (LY - ) =8%时 ,溶蚀率 >80 %。 |
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A novel two way rotary junctor is presented. One way of the rotarv junctor is designed at S band, and another way is designed at P band.
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本文介绍一种新颖的双路旋转交连,一路设计在S波段,另一路设计在P波段。 |
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A ore contains 7% wollastonite, 0% epidote, 8% quartz, 7% calcite.
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某硅灰石矿硅灰石含量约占 7 % ,杂质矿物主要为绿帘石约占 0 %、石英占 8%、方解石占 7%。 |
