duckweed是什么意思

网络释义

用法例句

Effects of pH on the growth of Hydrilla verticillata and its antioxidative enzyme activities under two nutritional conditions;

两种营养状态下pH对轮叶黑藻(Hydrilla verticillata)生长和抗氧化酶活性的影响

Effects of Different Form of Nitrogen on Hydrilla verticillata under Eutrophic Nutrient Condition;

富营养条件下不同形态氮对轮叶黑藻(Hydrilla verticillata)的生理影响

The growth response of Hydrilla verticillata to sediment type and density;

轮叶黑藻对不同底质和密度的可塑性响应

Objective To study the chemical constituents of Caulerpa peltata.

目的研究海洋绿藻盾叶蕨藻Caulerpa peltata的化学成分。

Diagenesis of Late Carboniferous phylloid algal reefs in southern Guizhou

黔南晚石炭世叶状藻礁灰岩的成岩作用

Late Carboniferous phylloid algal reefs developed on the carbonate platform margin in Ziyun County, Guizhou (South China).

紫云晚石炭世叶状藻礁发育在碳酸盐台地边缘。

Adsorption of Hydrilla verticillata in Huaxi River of Gui yang City

贵阳市花溪河轮叶黑藻吸附悬浮物的探究

Effect of phosphorus concentration on growth of Myriophyllum spicatum and Hydrilla Verticillata

不同磷质量浓度对穗花狐尾藻和轮叶黑藻生长的影响

Effects of Propagule Pretreatment on Submerged Macrophyte Restoration

沉水植物修复中的种芽预处理调控研究——以轮叶黑藻为例

Effects of suspended silts in waters on the growth and chlorophyll fluorescence characteristics of Hydrilla verticillata

水体悬浮泥沙对黑藻生长和叶绿素荧光特性的影响

The Study on growth of Codonposis Lanceolata Bentn et Hook.f for Mulching on Black Ffilm;

黑色膜覆盖对轮叶党参生长发育及品质的影响

Analysis and Process Control of Black and White Lines in X-ray Films of Turbine Blades

涡轮叶片X射线黑白线显示缺陷的工艺控制

"Class of algae, certain members of which are commonly known as stoneworts."

藻类之一纲,包含一般通称轮藻的藻类。

Charophyceae A class of the Chlorophyta (green algae) that includes the stoneworts, formerly placed in a separate phylum Charophyta.

轮藻纲：绿藻门中的一纲，以前列为独立的轮藻门。

"Algae were formerly classified into three major groups-the red, Brown, and green seaweeds-based on the pigment molecules in their chloroplasts"

以前,藻类按它们叶绿体里的色素分子分成红藻、褐藻与绿藻三类。

A leaflike thallus, as of a seaweed or lichen.

叶状体例如海藻或苔藓的叶状体

semirotary pump

半回转泵, 叶轮泵

small order of macroscopic fresh and brackish water algae with a distinct axis: stoneworts.

巨型的淡水或海水藻类的小目，有明显的轴；轮藻。

photosynthetic bacteria found in fresh and salt water, having chlorophyll a and phycobilins; once thought to be algae: blue-green algae.

淡水和海水中的光合细菌；有叶绿素和藻胆素；曾被视为藻类：蓝绿藻。

CARBONIFEROUS CHAROPHYTE FLORAS IN TARIM BASIN WITH REMARKS ON THE CLASSIFICATION OF PALAEOZOIC CHAROPHYTES

塔里木盆地井下石炭纪轮藻植物群兼论古生代轮藻的分类

Whirlpool Qibeng the impeller similar large gas turbines impeller.

漩涡气泵的叶轮类似庞大的气轮机的叶轮。

An algal cell filled with chlorophyll, formed in the thallus of a lichen.

共生藻细胞在苔藓的叶状体里发现的带有叶绿素的藻类细胞

Water wheel is a big wheel with blades around the rim.

水轮车轮子很大，轮缘周围装有叶片。

In the lobed impeller the measuring chambers are the space between the lobes and the meter housing.

叶轮式测量室是叶轮和流量叶壳体间的空间。