Some important physical effects appear due to short range order in nematic liquid crystals.

A spin wave theory of nematic liquid crystals was proposed in this paper.

采用自旋波理论研究向列相液晶.

Nematic liquid crystal domains formed from liquid crystal molecules were separated alone in matrix networks.

由液晶分子形成的向列液晶微粒被独立地分散在基体网络内.

The results showed that all polymers prepared were thermotropic liquid cryrt-ailine polymers nematic phase only.

结果显示,所制备的聚合物为热致向列型液晶聚合物.

The threaded texture and Schlieren texture of nematic phase can be observed.

在液晶态可以观察到向列相的丝状织构和纹影织构.

Small-middle size soil animals belong to 5 phylum, 6 class, 9 order, 7 famility. The dominant groups is Nematoda.

中小型 土壤动物5门6纲9目7科, 优势类群为线虫.

REDESCRIPTION AND A NOTE ON THE TAXONOMY OF DIPLOTRIAENA NOCHTI HOEPPLI ET HSU ( NEMATODA: DIPLOTRIAENIDAE )

诺氏双三齿丝虫(DiplotriaenanochtiHoepplietHsu)重新描述及其分类 ( 线虫纲: 双三齿科 )

These Methods: Were essential to the study on classification, identification and characteristics of the plant nematode.

这些方法对植物寄生线虫的分类鉴定和侵染特性研究具有重要意义.

Pine wood nematode disease is a most devastating disease of pine trees.

松材线虫病是松树的一种毁灭性病害.

When the gene was disabled in tiny nematode worms, their nerve cells literally broke.

当很小的线虫体内的这种基因失去作用, 它们的神经细胞会完全断裂.

The chemistry control was an important regulation measure in the population of the Root-knot nematodes.

化学防治是调控根结线虫种群数量的重要手段.

Root-knot nematodes, Meloidogyne species , are agriculturally important plant parasitic pests of worldwide distribution.

根结线虫(Meloidogynespp.)是一类危害极大的植物寄生线虫,广泛分布于世界各地.

The indoor experiment result predicted a prosperous future for controlling seabuckthorn carpenter with nematodes and fungi.

室内侵染试验的结果充分说明,利用线虫和真菌防治沙棘木蠹蛾具有较好前景.

The results showed that there were distinctive differences nematodes.

结果表明,不同种植物的叶提取液,对线虫杀灭活性存在明显差异.

Plant-parasitic nematodes cause heavy yield losses in many crops.

在许多农作物中,植物寄生线虫引起重大损失.

The extensive reading list reviews the field and provides information across species, from nematodes through humans.

广泛的阅读清单里检视这个领域的评论和跨种类的信息, 包括从线虫到人类的不同种类的信息.

Cereal cyst nematode was one of the nematodes harming Anyang city , especially often Anyang county.

禾谷孢囊线虫是危害禾谷类作物的病原线虫,培育和推广禾谷孢囊线虫抗性品种是最经济 、 安全、有效的防治途径.

Some fumigants are also active against nematodes, insects, and weed seeds.

部分熏蒸剂对线虫 、 害虫和杂草种子也有活性.

Acidic soil is paradise for nematodes, parasitic roundworms that destroy crops.

酸性土壤是线虫和寄生蛔虫的乐土, 而这些害虫会将农作物摧毁.

The damage of plant parasitic nematodes to soybeans is generally unrecognized.

植物寄生线虫对大豆的危害还未受到普遍重视.

Many nematodes occur in the tissues of earthorms.

蚯蚓组织中有许多种线虫.