查询词典 bivoltine

Semi-quantitative analysis results showed that expression level of BmDHR was different in 5 instar larvae and pupa of bivoltine race incubated under different environment conditions.

定时半定量分析显示，BmDHR基因表达水平在不同条件催青的二化性5龄幼虫、蛹体中存在差异。

The the pupation peak of the univoltine groups and the bivoltine groups were obvious,but the trivoltine groups were not obvious.

一、二化性的种群化蛹盛期较明显，而三化性的种群则无明显的化蛹盛期。

The genetic diversity of 36 bivoltine tussah silkworm varieties were analyzed by means of RAPD.

采用RAPD标记技术，对36份柞蚕二化性品种资源的遗传多样性进行分析。

A new Antheraea pernyi variety Hulunbei'er 1 in bivoltine area in which breeding one generation for a year has been bred by the methods of pedigree separation and hybridization.

采用系统分离和杂交育种方法，育成了适合二化一放蚕区放养的柞蚕四元杂交新品种呼伦贝尔一号。

From above, fine genetic resources of asexual reproduction had been found from commercial and bivoltine genetic races.

因此，在我国二化性蚕品种中可获得雌蚕无性繁殖系培育所需的优良种质资源。

The haemolymph cation levels of bivoltine races were about 30% higher than the multivoltine PM.

家蚕二化性品种的血淋巴阳离子水平比多化性品种PM高出30%。

During hot water treatment to bivoltine races, the temperature effect on rate of asexual developed eggs was more significant than that of soaking time.

以我国家蚕二化性现行品种为材料所进行的诱导条件优化研究，首次探明了温汤处理时温度对无性繁殖发生率的影响效应显著超过处理时间。

So the optimum treating temperature to bivoltine races was from 44～46℃. When unfertilized eggs were treated with hot water for 3～68 minutes, asexual developed eggs could be obtained. But the optimum soaking time range to bivoltine races was 14～ 16 minutes.

针对我国的二化性家蚕现行品种，其无性繁殖诱导温度以44℃~46℃为宜；无性繁殖的处理时间适应范围较广，从3min~68min都可获得一定比例的无性繁殖发育卵，我国的二化性家蚕现行品种，其无性繁殖处理时间以14~16min为宜。

In this study, nine aspects had been carried out, which included the condition optimization of inducing silkworm asexual reproduction; the effective technique of obtaining unfertilized eggs from virginal moth; the investigation of asexual reproductive genetic resources on bivoltine silkworm races; the creating of bivoltine female asexual reproductive lines; the genetic effect analysis of silkworm asexual reproductive character; the eggs protein study on different female lines; growing and developing comparison between asexual reproductive line and its sexual parent; RAPD study on asexual reproductive character; the utilization of asexual reproductive lines.

本论文主要研究内容包括：家蚕无性繁殖诱导条件的优化；从家蚕处女蛾获取未受精卵的实用技术研究；二化性家蚕品种无性繁殖特性的遗传资源调查；二化性雌蚕无性繁殖系的构建；家蚕无性繁殖性状的遗传效应分析；家蚕无性繁殖品种的蛋白质研究；家蚕无性繁殖品种与其两性亲本生长发育对比研究；控制家蚕无性繁殖性状的基因的RAPD分子标记探索以及家蚕无性繁殖系的利用研究等九个方面，取得的主要结果如下

Secondary production of major groups of macrozoobenthos in Lake Donghu was estimated from field data. The number of generaion, P/B coefficients and production of 9 dominant species were as follows: B. aeruginosa, univoltine, 91. 56g WW/m〓. yr, 0.64; S. lacustre, univoltine, 43. 02g WW/m〓. yr, 3. 55; B. sowerbyi, univoltine, 11. 39g WW/m〓. yr, 4. 15; L. hoffmesteri, trivoltine, 7. 09 g WW/m〓. yr, 11. 9; P. choreus, bivoltine, 5. 03g WW/m〓. yr, 10.33; Ch. plumosus, bivoltine, 3. 37g WW/m〓. yr, 9. 10; T. chinensis, univoltine, 3. 76g WW/m〓. yr, 4. 49; T. akamusi, univoltine, 44. 60g WW/m〓. yr, 4. 60; Clinotanypus sugiyamai, univoltine, 0.48g WW/m〓.

较系统地研究了东湖底栖动物九种优势种的生活史、P／B系数和生产量，其结果如下：铜锈环棱螺：一年一代，生产量为91.56g WW／m〓。yr，P／B系数0.64；湖球蚬：一年一代，43.02g WW／m〓。yr，3.55；苏氏尾鳃蚓：一年一代，11.39g WW／m〓。yr，4.15；霍甫水丝蚓：一年三代，7.09 g WW／m〓。yr，11.9；花翅前突摇蚊：一年两代，5.03g WW／m〓。yr，10.33；羽摇蚊：一年二代，3.37g WW／m〓。yr，9.10；中国长足摇蚊：一年一代，3.76g WW／m〓。yr，4.49；大红德永摇蚊：一年一代，44.60gWW／m〓。yr，4.60；褐斑菱跗摇蚊：一年一代，0.48g WW／m〓。yr，7.59。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。