Separation was performed with NaOH as gradient mobile phase at a flow rate of 1.8 mL/min. Good results were achieved for determinations of Cl-, NO-3, SO2-4, phosphate, pyrophosphate and trimetaphosphate.

用NaOH梯度淋洗,流速为1.8mL/min,成功地同时测定了三聚磷酸盐中的Cl-NO-3SO2-4磷酸盐焦磷酸钠三偏磷酸钠等杂质的含量。

属类：化学及生命科学-化工-化工论文摘录

Measure gradient at 5m intervals by using the abney level in combination with a supporting frame. For uneven slopes, measure at 1 m intervals.

用量角仪连同支架作为工具,沿样条每5米量度一次陡度;在陡度变化大的地区,可每米量度一次。

属类：应用文体-科研守则-

The Triangular Matrix Preconditioners of the Conjugate Gradient Method for Solving Equations of Electromagnetic Fields Using Finite Difference Method

有限差分法解电磁场方程的共轭梯度法三角阵预处理器

属类：行业术语-中文论文标题-

On a singular surface of order 1 the deformation gradient and the velocity of the medium may suffer finite discontinuity

在1级的奇面上,媒质的形变梯度和速度可以经受不连续性。

属类：综合句库--

At every change of direction and gradient in a pipeline and at each intersection of one sewer with another, a manhole should be provided.

在管道走向和坡度改变的地方以及在管道交叉的地方都应设置人孔;检查井。

属类：工程技术-建筑-土木建筑

During the course of the upstroke, the membrane potential attains zero, and an electrical gradient no longer exists

在升支发展过程中,膜电位一达到零,电位梯度即不再存在。

属类：综合句库--

This indicates a hydrodynamic condition with a very marked potentiometric gradient

这说明水动力条件具有很明显的位能梯度。

属类：综合句库--

sucrose density-gradient centrifugation(= rate-zonal centrifugation)

蔗糖密度梯度离心[不推荐用名]

属类：化学及生命科学-分子生物学与生物工程学-

Lipoprotein patterns were determined using non-denaturing polyacrylamide gradient gelelectrophoresis to separate LDL particles by size and shape.

脂蛋白的形式用非变性聚丙烯梯度凝胶电泳法,根据LDL大小和形状不同来分离LDL粒子。

属类：工程技术-食品工程-

Species Richness and Fauna of Fleas along a Latitudinal Gradient in the Three Parallel Rivers Landscape, China

中国“三江并流”纵谷地蚤类丰富度与区系沿纬度梯度的水平分布格局

属类：行业术语-中文论文标题-