英语人>网络例句>seed-head 相关的网络例句
seed-head相关的网络例句

查询词典 seed-head

与 seed-head 相关的网络例句 [注:此内容来源于网络,仅供参考]

For years, a hodgepodge network of seed banks has been amassing seed and shoot collections in a haphazard manner.

多年来,很多庞杂的种子库网络一直以随意的方式收集种子和苗芽。

We highlight our results as follows:(1) the proportion of wild seed plants found on the Red List to total seed plant species was lower in China than in Japan, but the degree of threat for gymnosperms was higher in China than in Japan;(2) several hydrophyte families were not listed on the Red List of China, but have been severely threatened in Japan;(3) the number of cosmopolitan genera endangered in China was fewer than in Japan; and (4) among species threatened in both China and Japan, there was a large proportion of common species, sister species, and closely related species.

研究发现:(1)中国红色名录中濒危植物的种类占其所有野生种子植物的比例显著低于日本,但裸子植物的濒危程度却极其显著地高于日本;(2)部分水生植物科未列入中国红色名录,但在日本已受到严重威胁;(3)中国红色名录中出现的世界分布属显著少于日本;(4)两国濒危植物中有大量共有种、姊妹种或近缘种。

Maximumprotein synthesis of high vigor seed appeared at 24 hours after imbibition, that oflow vigor seed not remarkable.

高活力种胚在吸胀24h达到最高值,而低活力种胚吸胀后变化不大。

For BlizzCon, he received first seed in the invitational, though the seed didn't matter much to him.

而在这次的BlizzCon中,他被作为一号种子,而他却对这些看得很淡。

Objective: To study the distribution of dose rate on cultured cell plane delivered by 125I seed planar irradiation, and to establish a reference table on dose rate of 125 I seed planar irradiator for cell lines in vitro.

研究内容分以下五部分:第一部分 125I 籽源体外照射细胞的剂量分布研究目的研究 I 籽源体外照射的细胞平面剂量分布,建立 I 籽源体外照射 125 125 细胞剂量率参考模式表。

The effect of the addition of the crystal seed in the jarosite preciptation was investigated and the results showed that the crystal seed would accelerate the crystallizing rate of jarosite formation, which convert the reaction mechanism from the crystallization kinetic rate control into the chemical reaction kinetic control.

阐述了晶种加入对沉矾影响的过程机理,认为晶种的加入加快了沉矾反应的结晶速度,使反应由结晶的动力学控制过渡到化学反应动力学控制,足量晶种加入情形下沉矾过程的活化能为94.66KJ/mol,表明了氯化物体系铁矾沉淀较硫酸盐体系中更易进行。

I.sanguinea and I. typhifolia have thin seed capsules and compact endosperms. The seed testa of I, lactea is thick and keratose.

这三个种均为湿生植物:溪荪、北陵种皮较薄,但胚乳较为致密,为中生种类:马蔺种皮厚,胚乳硬实,紧紧包被种胚,具有旱生植物的特征。

The conversion boundary of self-incompatibility was researched by sowing by stage. Sunshine of day and temperature was studied critically by investigating leafage and researching traits indoors. The results showed that the daily minimum temperature was the principal factor of affinity conversion and the affinity conversion boundary was 16.5~18.1℃.HE97 was primarily regard as self-incompatible line in this research. The method was by inbreeding and sib HE97, Half the silk of HE97 and Zheng58. Inbreeding and cross have been done simultaneously. The extending condition of pollen tube was observed by dying the silk after pollinating 4 hours. The individuals with pollen tube were observed having seeds, while the individuals without pollen tube were observed having few seeds or no seeds. So this study regard HE97 as sporophytic self-incompatibility .The planting ration of female parent HE97 and male parent 87-1 was 4:1.The nature cross-pollination was studied by the theory of endosperm xenity, the study show that the setting percentage of HE97 was 625%, in which the seed in self was 70% and the seed in hybrid was 30%. This was consistent with the study of silk anatomy structure, then come to the same conclusion: compatible pollen germination and fertilization can stimulate the self-incompatible pollen germination and fertilization in the same corn cob.

通过分期播种,进行了光温敏自交不亲和材料HE97亲和性转换区间的研究,依据田间跟踪调查叶龄及室内考种研究了HE97亲和性转换区间的光温临界值,结果表明:1日最低温度是影响HE97自交不亲和性的主要原因,亲和性转换区间在16.5℃~18.1℃之间。2通过HE97自交和姊妹交以及将HE97与郑58作为双亲,各自的花丝一分为二,分别正反交,授粉后4个小时分别取其花丝进行固定、染色,观察花粉管的伸长情况,根据结实率与花粉管伸长的对应关系,结果发现观察到花粉管的对应植株收获到了种子,而没有观察到花粉管的对应植株结实率极低或没有结实,本研究把HE97初步划为孢子体自交不亲和类型。3以HE97为母本,87-1为父本,按4母:1父行比,通过花粉直感效应研究天然异交率,结果母本HE97结实良好(62%),其中自交粒占70%,异交粒占30%,结合花丝切片观察表明,亲和花粉的萌发及受精会导致落在同一果穗柱头上不亲和花粉的萌发不再受抑制。

The overall aim of cotton breeding which optimized structure of variety and quality was maked clear, it was keeping advantage of seed selecting medium count yarn variety and paiying attention to seed selection long-staple and short-staple upland cotton of shortage in market.

明确棉花育种的总体目标是优化品种和品质结构,保持适纺中支纱品种选育的优势,重视发展目前市场短缺的长绒和中短绒陆地棉新品种选育。

It can be concluded from the experiment results that hatchery seed has lower genetic variation and large-scale hatchery seed releasing affects the genetic diversity of the natural population. The shrimp distributed along China coast in Bohai Sea and Yellow Sea may consist of more than one populations. The viral disease resistant ability of F. chinensis is proved to be genetically inherited and can be improved by genetic selection.

通过对实验结果的进一步分析认为:中国对虾人工育苗的过程使后代群体的遗传多样性下降,人工培育苗种的大规模放流影响了自然群体的遗传多样性;,分布于我国沿海的中国对虾可能由多个自然群体构成,还存在未被发现的种质资源;中国对虾抗WSSV病毒感染是由遗传决定的,选育可提高中国对虾对WSSV的抗性。

第22/100页 首页 < ... 18 19 20 21 22 23 24 25 26 ... > 尾页
相关中文对照歌词
Seed
Seed
Seed Of Hate
The Seed Ov I
Seed To A Tree
Ackee Seed
Bad Seed
Seed
Black Seed
Seed Of Music
推荐网络例句

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊!不用提了。提到肉,真是糟透了。

Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.

Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。