用量

This study shows investigation and analysis of the professional stress among primary school teachers.

本文首先采用量的研究方法，对广州市天河区5所小学教师的职业压力强度作了问卷调查；然后，再采用质的研究方法，根据研究主旨的要求，从上述学校中选择部分教师进行访谈和观察，并结合个案研究，全面深入地展现了天河区小学教师职业压力的强度、来源及其个体表现等情况；最后，本文探讨了缓解天河区小学教师职业压力的一些具体管理策略。

The essence of surface wetting is illustrated by the principle of least action.

文 摘：列举了自然界中的种种现象以证明最小作用量的普适性。

Therefore, the principle of least action in heat transfer is studied and new principles are developed.

自然界众多的运动都是沿着"用力最小"的途径进行，在物理学上表现为许多物理现象遵循最小作用量原理。

In the derivation of the governing equations we will introduce how to use the Hamilton's principle of least action to account for added mass effects.

再推导统驭方程式过程中我们将会引进如何用汉米顿最小作用量原理说明附加质量的影响。

Then, in the study of finite degree of freedoms, we introduce the principle of least action, the Lagrangian formula, and the Hamiltonian formula.

然后在讨论多自由系统中引入最小作用量原理，并介绍拉格朗日、哈密顿程式。

Some physical phenomena are explained by the principle of least action, such as super-hydrophobic state of the lotus leaf, jumping on water of the water strider, directional motion of the liquid drop and capillary adhesion.

运用最小作用量原理合理地解释了诸如荷叶的超疏水、水黾水面的自由跑跳、液滴的定向运动以及毛细粘附等物理现象。

The optimum dosage of three retention and drainage aids was determined and their effects of improving printability of newsprint were compared.

确定了较合适的助留助滤剂用量，并比较了3种助留助滤体系对改善新闻纸印刷性能的效果。

Printer's ink usage much in the use of a longer time, the ink on the nozzle and affect print images.

喷绘机的墨水用量很大，在使用较长时间后，墨水对喷嘴和打印图像有所影响。

The test of dissociative water prolapsus implement in Gusilian showed that the oil content in transported water was above 2000mg/L before adding nano-composite demulsifier, when the dosage of nano-composite demulsifier was 300mg/L and treating time was 20min, the oil content in water flow from prolapsus implement was 130mg/L.

在东一联使用时，在井排来液条件相同的情况下和在外输水含油量相同时，纳米破乳剂的使用量仅为原有机高分子破乳剂的30%左右，减少破乳剂用量近70%；在孤四联游离水预分水器的试验中，未加纳米预脱水剂前，出水含油在2000mg/L以上。

The optimal reaction conditions were as follows: the molar ratio of propanol to acid was 1:1, the mass ratio of the catalyst used to p-nitrobenzoate was 6%.

合成硝基卡因的最佳工艺条件为：醇酸比为1：1，催化剂的用量为对硝基苯甲酸的6%，在回流温度下反应14h，产率达到79.5%。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。