Combining the isotopic dilution (ID) method with the on-line fractionation correction method, the rhenium content can be determined accurately at sub-nanogram level using the normal solution n.
溶液中加入铱元素进行铼同位素的质量分馏校正，在常规的溶液雾化进样条件下，采用同位素稀释法可准确测定纳克级的铼含量。
But there's a scientist in Brooklyn, N. Y., who says he has a solution to all of these problems.
但是纽约州布鲁克林市的一位科学家声称他掌握了针对上述所有问题的解决方案。
Enter the Multilingualization Library, or m17n (m-ultilingualizatio-n), which endeavors to provide a single solution to input, process, and render text from all languages on UNIX-like platforms.
Multilingualization Library或m17n库会尽力为类unix平台上多种语言书写的文本的输入、处理和显示提供一种单一的解决方案。
This method almost immediately gives a solution to N-puzzle problem, however it is usually not the optimal one.
解法能在很短时间内给出N数码的一个解，不过这个解通常不是最优解。
N-oleoylglutamic acid was prepared from glutamic acid and oleoyl chloride in alkali solution and its structure was characterized by IR.
将油酸酰氯和谷氨酸在碱性溶液中反应制备了N-油酰基谷氨酸。
By high acetylation of chitosan at N position with acetic anhydride in a homogeneous medium known as acetic solution–alcohol-pyridine system, water-soluble chitosan was prepared.
探讨了如何控制在均相条件下以高脱乙酰度的壳聚糖为主要原料，在乙酸水溶液- 乙醇-吡啶介质中实现壳聚糖N位乙酰化反应的问题；
Bionic acicular nano hydroxyapatite(n HA) was used to make composites with medical grade polyamide (Poly hexamethylene adipamide) by solution blend.
通过溶液共混法制备了羟基磷灰石纳米针晶与聚己二酰己二胺生物医用复合材料。
Stabilized fractional step algorithm has been widely accepted for numerical solution of the incompressible N-S equations.
分步算法已被广泛应用于数值求解不可压缩n - S方程。
By the method of linear transformation, the solution forms of vector wave equation in spherical coordinates, l, m and n, are transformed to the many other kinds of forms.
利用线性变换的方法，将球坐标下矢量波动方程解的形式l、M和N变换为其他多种形式。
Double-tracer technique was used to determine chlorhydric acid and phosphorous acid in the recovered solution of glycine, N-(canboxymethyl)-N-(phosphoromethyl).
介绍用碱标准溶液直接测定双甘膦生产中回收混合溶液中盐酸与亚磷酸含量的双指示剂法。
The parameter distribution and performance of supersonic combustor with cavity were calculated by means of the solution of 2-D N-S momentum, energy and mass fraction conservation equations.
用数值解二维N-S动量守恒、能量及组分守恒方程，模拟了一个设置空腔的超燃燃烧室流场参数分布及性能。
This paper is mainly concerned with the problem of almost periodic solution and asymptotically almost periodic solution of the N-species cooperation system and some results are given.
研究了N种群互惠系统的概周期解和渐进概周期解，并得出其相关结果。
Title compound was synthesized from N-ethylaniline by hydroxyethylation, chloroethylation and quarternarization with short procedure and high yield, 70% aqueous solution was obtained.
采用N-乙基苯胺为原料，经羟乙基化、氯乙基化、季铵化合成本产品，此工艺步骤短，收率高，得到70％以上水溶液产品。
The aqueous dispersions of the nanoparticles were stable at pH 2-11 and in 1m NaCl solution, when repeat number, n, was 3 or more.
通过3次以上的重复实验，我们发现这种纳米颗粒能稳定分散在pH值为2 - 11的水相以及1M的Nacl溶液中。
The main strengthening mechanisms of (Ti, Cr)N films were grain fining, solid solution strengthening and multi elements strengthening.
多元膜层强化机理主要是：晶粒细化、固溶强化、多元素优化。
A solution culture experiment was conducted to study the dynamics of dry matter accumulation and n, p, K absorption by flue-cured tobacco under different boron concentration.
采用溶液培养方法，研究了不同硼浓度下烤烟干物质积累动态和养分吸收动态变化特点。
The samples were extracted with 1% acetic acid-acetonitrile solution, cleaned up with amine (NH2) sorbent and defatted with n-hexane.
样品用1%乙酸-乙腈溶液提取，NH 2吸附剂净化，正己烷脱脂。
Content of isocyanate group in waterborne polyurethane prepolymer is tested with acetone as solvent, n-dibutylamine - toluene solution as reaction liquid and ethyl acetate as thinner.
对水性聚氨酯预聚体中异氰酸酯基团的容量测定进行了研究。
The 3 dodecylthiopionic acid is synthesized from n laurylmercaptan and acrylic acid in the presence of an aqueous alkaline solution.
本文以正十二硫醇和丙烯酸为原料，在强碱催化剂存在下合成了3-十二烷巯基丙酸。
When PVP or HCO-60 was added to a deuterated chloroform solution of nitrazepam, the 1H-NMR signals of N (1 )-H shifted to lower magnetic fields.
PVP等在氘代氯仿中可使硝基安定1位氢的核磁信号向低磁场方向位移。PVP与硝基安定的相互作用比HCO-60等要强。
A kind of algorithm for the optimal path of manipulation arm, which possesses restraint of joint turning angle based on dynamic solution region and has n degree of freedom, was put forward.
提出了一种基于动态区间映射的数据对象布局算法，在均衡数据分配和最少迁移数据方面都是统计意义上最优的，并且支持按照存储节点的权重分配数据和任意的数据对象副本。
A kind of algorithm for the optimal path of manipulation arm, which possesses restraint of joint turning angle based on dynamic solution region and has n degree of freedom, was put forward.
提出了一种基于动态区间映射的数据对象布局算法，在均衡数据分配和最少迁移数据方面都是统计意义上最优的，并且支持按照存储节点的权重分配数据和任意的数据对象副本。
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