Satisfactory results were obtained for direct determination of citric acid in aerated water.

It is necessary equipment for aerated water and sparkling wine production industry.

是制造汽水、汽酒的配套设备。

The aerial stem is annual and has a ring of vascular bundle and low fiber content.

地上茎一年生，维管束排成一圈，纤维含量低。

Correlation analysis also demonstrated that the annual ring widths of Larix gmelinii were sensitive to the temperature at the beginning of the growing season, but the ring widths of Pinus sylvestris var. mongolica did not have any significant climatic response.

落叶松的年轮宽度对生长季节开始前的温度敏感，而樟子松的轮宽对气候变量没有很好的响应。

Tree stem surface area formula was derived by predicting model with relative height d 0.1. Multiply it by stem mean annual ring with an annual volume growth model of standing tree was then derived. The mean ring width was calculated to mean diameter growth.

本文采用相对高d（0.1）预估模型导出树干表面积式，然后乘以树干平均年轮宽度推出了立木材积连年生长量模型，最后将平均年轮宽度转换成平均直径生长量。

Particle matter agglomeration is serious in the absorber, and materials with moisture collide at random and stick together directly, but there is not the structure of annual ring on the profile surface of solid particles of CFB-FGD system.

脱硫塔内团聚现象严重，含湿颗粒随机碰撞后直接粘在一起，在DCFBS中脱硫固体颗粒物剖面不存在年轮状结构。

The annual ring of Chinese chestnut, Castanea mollissima, is as narrow as 0.21 cm. Although the breadth near the pith is big, it becomes steadily smaller with the tree age.

本文通过对板栗木材密度与年轮宽度的研究表明，板栗木材年轮宽度较窄，为0.21cm，近髓心宽度较大，后期呈较平稳的下降趋势；

The Possibility of Using the δ~ ( 13) C Sequence of α-Cellulose of the annual ring of Buried Ancient Timbers as Substituting Indices for Paleo-climate Change Research

埋藏古木的树轮碳同位素作为古气候变化代用指标的可能性

Its root tuber has multilayer concentric circularity similar to "annual ring lines" at the initial stages of development, and grows and enriches at the same year.

块根在发育的初期具有类似年轮纹路的多层同心圆结构，当年产生，当年充实。

We choose a project with loaded annual ring microstrip antenna, and the character of compact and broadband is achieved by loading a chip-resister to the antenna.

文中选择与引信弹体共形的环形微带天线作为设计方案，通过对环形微带天线加载电阻，实现天线的小型化和高带宽；

Study on correlation between chemical element contents in the annual ring of Masson pine tree and those in soils near tree roots in red soils area of Jiangxi Province

江西红壤地区马尾松的年轮与其根部土壤中化学元素含量的相关性研究

Results showed that there was significantly positive correlation between average annual ring growth and temperature, while no significant relationship were found between average annual ring growth and other referred factors.

结果表明金钟藤年轮的年平均生长量与温度呈极显著正相关，与降水、日照时数和相对湿度相关性不显著。

The radial variation of wood density within annual ring had a close relationship to that of the productivity and anatomical properties of xylem cells at different stages.

同一生长轮内木材密度的径向变异与活动期不同阶段形成的木质部细胞数量及其解剖特征直接相关。

Illuminated by the wood growing process, a novel grade-pervasion precipitation method was proposed to prepare chitosan rods with annual ring structure.

受树木生长过程的启示，建立了一种新型的壳聚糖成型方法，以氢氧化钠梯度溶液通过膜渗透中和壳聚糖醋酸溶液，使壳聚糖原位沉析，自行组装成仿木年轮结构材料。

The city is the carrier of civilization, so the city is seen as the annual ring of the human civilization development.

城市是文明的载体，城市因此被视为人类文明发展的年轮。

Response of Annual Ring Width of Pinus sylvestris var. mongolica Plantation to Climate Change

人工林樟子松生长轮宽度对气候变化的响应

As a result, its margin on earnings before interest, tax, depreciation and amortisation has weakened to just under 50 per cent in the first half of 2011 from 54 per cent five years ago.

其结果是，2011年上半年，其息税折旧及摊销前利润（Ebitda）率已从5年前的54%降至50%以下。

Adjusted earnings before interest, tax, depreciation and amortisation grew from$ 4m in 2011 to$ 825m in 2013, according to documents filed with the SEC.

其提交给美国证交会的文件显示，该公司调整后的税息折旧及摊销前利润（EBITDA）从2011年的400万美元增长至2013年的8.25亿美元。

Earnings before interest, taxes, depreciation and amortisation ( ebitda) rose only 11.6 per cent because half of the company's new users were from rural areas, where people tend to spend less.

该公司全年未计利息、税项、折旧及摊销前的利润（EBITDA）仅增长11.6%，这是因为它有一半新用户来自农村地区，那里的人们往往开销较少。

Underlying earnings before interest, tax, depreciation and amortisation a proxy for cash flow fell between 20 and 40 per cent from the second half of last year to the first half of this year.

从去年下半年到今年上半年，潜在的息税折旧及摊销前利润（ebitda）现金流的替代指标下滑了20%到40%。

But its rivals are hardly stretched; the most extreme is NYSE Euronext with net debt worth just 1.6 times earnings before interest, tax, depreciation and amortisation.

但竞争对手们也并非手头拮据；就连最极端的纽约-泛欧交易所，其净债务水平也仅为息税折旧及摊销前利润（EBITDA）的1.6倍。