presence的例句大全

First section simply introduced the initial consonant presence.

第一小节简单介绍淄川言声母的现状。

The presence of a contractile protein in higher plants

高等植物中的收缩蛋白

A semi static hung type device for the removal of heavy metal ions in seedling rearing system has been designed, with which the heavy metal ions are removed by solid liquid absorption reaction due to the presence of vertical convection caused by aeration.

设计了一种半静态悬挂式重金属除去装置，靠育苗池中由充气造成的垂直对流进行的固一液吸附而除去重金属离子。

I think it is fairly clear that this is what the central meaning must be. The presence of angina indicates significant coronary ischemia.

我认为很明显的这就是中心意义所在。心绞痛本身说明有明显的冠状动脉供血不足。

Nonlinear Stochastic Evolution Model of Variable Coupled Neuronal Oscillator Population in the Presence of External Stimuli

刺激下可变耦合神经振子群活动的非线性随机演化模型

Method for measuring trace gold with X-ray fluorescence after pre-enrichment is presented. The gold is enriched in a medium of 10% aqua regia in presence of Br 2 with polyurethane foam loaded with diphenylthiourea and methyl isobutyl ketone.

报道了在10%王水介质中，有Br2存在时用二苯基硫脲&甲基异丁酮泡沫塑料富集、X射线荧光测定痕量金的分析方法。

Orthogonal experimental research on catalytic upgrading of cat cracked gasoline in presence of compounded catalyst

复合催化剂上催化裂化汽油催化改质的正交实验研究

The presence of dispersants and detergents increase the foaming tendency of crankcase oil.

在场的分散剂和洗涤剂增加发泡趋势曲轴箱油。

The results showed that the crystallization heat of PA6 decreased when PA6 was blended with POE. In the presence of compatibilizer,γ crystal and crystal rate of PA6 in TPE decreased.

结果表明，POE降低了TPE中PA6的结晶热，相容剂的加入使TPE中PA6的γ结晶减少以及降低了PA6的结晶速度。

There was no relation between the cumulative dose of cabergoline and the presence of mild, moderate, or severe valve regurgitation.

卡麦角林的累积剂量和轻度、中度、重度瓣膜返流无明显相关。

The results showed that the presence of the cupric acetate had an obviously promotion for PBT depolymerization in subcritical water.

结果表明：醋酸铜的存在对于PBT在亚临界水中的解聚具有明显促进作用。

The dehydrogenation of 1-methyl-3,5-diphenyl-pyrazoline in the presence of cupric chloride& ⅰ. complexes

1-甲基-3,5-二苯基吡唑啉在氯化铜催化下的氧化脱氢反应&Ⅰ.反应过程中形成的配合物

The experiments showed that the rooting ability of hardwood cuttings was determined by both presence of latent root primodia and balance of endogenous hormones bark.

试验表明，硬枝扦插生根是潜伏根原基存在与否和皮部内源激素平衡两方面的原因决定的。

By considering model uncertainty in optimization, we can make the pricing policy more applicable in practice. First, we study the limited inventory pricing problem for perishable products in the presence of structured model uncertainty.

通过在价格优化时考虑到需求模型的不确定，可以使优化的价格具有更强的适用性。本文首先研究了结构化模型不确定下，如何对有库存约束的易逝品制定价格策略的问题。

The Principle and Practice of New Type High-voltage Presence Indicating Device

新型高压带电显示装置的原理与实践

But Woods'birth date is associated with metal, which clashes with the presence of metal in the coming lunar year.

不过伍兹的生日与金相连，恰好与即将到来的农历年的金相撞。

Mn2+ in weak base can creat red chelate which is very slightly soluble. Under gelatin's presence, suspended matter forms diaphaneity, homogeneous and stable, colored sol.

当Mn2+在弱碱性中（pH为9～10）反应生成难溶于水的红色螯合物，悬浮物在明胶存在下形成透明、均匀、稳定的有色溶胶。

Their culture broths possessed the ability to flocculate kaolin suspension in the presence of 1% CaCl_2, which was identified to be a Bacillus brevis based on its morphological and physiological characteristics and the partial 16S rRNA sequencing method.

在1%CaCl2存在下，其发酵液对高岭土悬液具有较高的絮凝活性。根据形态及生理生化特征，利用16S RRNA部分序列分析确定该菌归属于Bacillus brevis。

Participants 849 medical patients aged 60 or more admitted to hospital for congestive heart failure, acute respiratory illness in the presence of chronic lung disease, or acute infectious or inflammatory disease and expected to remain in bed for at least four days.

参与者：849例≥60岁内科患者，住院原因分别为充血性心力衰竭、慢性肺病合并急性呼吸系统疾患、急性炎症性或感染性疾病，预期至少住院4天以上。

Benedict's solution: a solution of sodium citrate, sodium carbonate, and copper sulfate that changes from blue to yellow or red in the presence of reducing sugars, such as glucose.

本尼迪克特试剂：一种柠檬酸钠、碳酸钠和硫酸铜的溶液，当加入还原糖，如葡萄糖时，其颜色由蓝变为黄或红色。