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The difference of male and female Pistacia Vera were compared and analyzed through treating with chemical reagent, surveying the morphology, RAPD techniques, analyzing the chromosome and comparing the band pattern of isoenzyme. The following results and conclusions were drawn:The leaves of male and female Pistacia Vera were treated respectively with chemical reagent. The sexes were identified quickly and efficiently through different color and precipitate reaction among them. The difference is significant.

本文采用化学药剂处理、形态学观察、RAPD技术、染色体压片分析及同工酶谱带分析等方法分别进行了阿月浑子的雌、雄株差异性比较分析，得出如下结论：(1)采用化学药剂分别处理阿月浑子雌雄株叶部提取液，通过不同的颜色反应和沉淀反应可以快速而有效地鉴别雌雄株，并且差异显著。

Just as T itself, 5α-reductase and DHT play important roles in male pubertal development and in maintenance of male sexual features.

雄激素和5α-还原酶在男性青春期发育和维持性成熟中起重要作用。

To discuss mobile period rachitic and the relation with RAI, the author reachs humoral immunity function to have observation to the cellular immunity of 92 AR little patient, sum up an analysis to be as follows now. 1 object and method 1.1 objects rachitic little patient sets 92 mobile period for observation group, diagnose all accord with castigatory of group of coordination of scientific research of countrywide rachitic prevention and cure diagnosed a standard 1980. 92 in male 52, female 40, the age 3 months ~1 year old 48, 1~3 year old 39, 3 years old of above 5. 56 examine as a result normal children is set to contrast group, normal value 50%, among them male 34, female 22, the age 6 months ~3 year old.

为探索活动期佝偻病的免疫状态及和RAI的关系，笔者对92例AR患儿的细胞免疫及体液免疫功能进行观察，现总结分析如下。1对象及方法1.1对象92例活动期佝偻病患儿设为观察组，诊断均符合1980年全国佝偻病防治科研协作组修订的诊断标准。92例中男52例，女40例，年龄3个月~1岁48例，1~3岁39例，3岁以上5例。56例检验结果正常的儿童设为对照组，正常值50%，其中男34例，女22例，年龄6个月~3岁。

The sound producing system of Sciaenidae is consisted mainly of extrinsic sonic muscle and swimbladder. Because female red drum do not have the sonic muscle, the sonic muscle of young red drum appeared when they were three months old and they were male. Young male red drum started to produce audiable sound at seven months old. The weights of sonic muscles and swimbladders increased with body weights.

石首鱼的发声系统以外接发声肌肉及泳鳔为主，由於雌鱼并无发声肌肉，因此红鼓鱼幼鱼在三个月左右出现发声肌肉者为雄鱼，发育的过程中，发声肌肉、泳鳔的重量随年龄增加而增加，然而雄鱼泳鳔的重量增加情形大於雌鱼。

At the same time, a chimera gene pTA29-Barnase, which can induce male sterility in transformants, was transferred into three seedy cultivars (Valencia, Ponkan and Anliucheng) to obtain male sterility citrus plantlet in the future. It is a new strategy for seedlessness breeding in citrus.

同时，以柑橘的无核育种为目标，在建立的转化体系的基础上，将人工雄性不育基因pTA29-barnase转入三个多籽品种（伏令夏橙、〓柑、暗柳橙）中，以期创造新的柑橘雄性不育类型，并为今后柑橘的无核育种提供新的思路和材料。

The mixture of Z-11-hexadecenyl acetate and Z-11-hexadecenol (4 : 1 or 9: 1) proved to be attractive to the male moths of Pseudaletia separata Walker in Japan was less attractive to the male moths of Mythimna separata Walker in North China during the second flying season.

在顺—11—十六烯醛中加入少量顺—11—十六烯醇乙酸酯(1—10％)，能显著地提高诱蛾活性。同时表明在日本活性很高的粘虫诱芯(顺—11—十六烯醇乙酸酯及顺—11—十六烯醇比例为8：1或9：1)在中国北方诱到的粘虫雄蛾数量极少。

In the May 4th Enlightenment,the male enlighetners skert around the opression of sexuality beause of the male supremacy which come from the sexuale identity tradition .

五四启蒙运动中，男性启蒙者由于社会性别身份的历史传承带来的男权意识，使其在女性启蒙课题上无法避免的存在着对女性性别压迫根源问题态度上的游离和规避，女性主体意识的苏醒只是五四启蒙者的现代性想象。

The five kinds of male germ cell cytogenetic assays used to detect genotoxicity of ani-mal drugs to each spermatogenetic stage of male germ cells,such as spermatogonia, primary spermatocytes, secondary spermatocytes,spermatids and spermatozoa,had beensystematically studied.

本文系统地研究了适合我国国情的检测兽药对哺乳动物精原细胞、初级精母细胞、次级精母细胞、精细胞和精子等各个发生阶段雄性生殖细胞遗传毒性的5种测定方法，并首次为国产阿维菌素安全性毒理学评价提供了系统的雄性生殖细胞遗传毒性资料。

The results showed that the sex ratio of trees was 1 m 2 f, and the natural T. cuspidata tree was able to sexually reproduce for many years. Male trees had fecundity when the diameter at breast height ranged from 1.5 cm to 92 cm, while female trees had fecundity when the DBH from 9.5 cm to 68.1 cm. Male trees typically flowered at the age about 20 years earlier than female trees. The numbers of microstrobili were 3 times more than that of megastrobili, and only 1/10 megastrobili developed into seed. The numbers of strobili and seed were correlated with DBH, crown diameter and height of trees; however, no significant correlations were observed with other site factors. Numbers of strobili decreased from the upper to lower canopy layers, while the quantity of seed decreased from the middle, upper to lower canopy layers. Seed-setting rate increased from the upper to lower canopy layers. Numbers of strobili and seeds in different directions of the canopy were not uniform, but the differences weren't significant.

结果表明：现实东北红豆杉天然种群中，♀♂性比为1：2；天然东北红豆杉有性生殖持续时间长，雄株胸径在1.5~92cm，雌株胸径在9.5~68.1cm保持生殖状态，雄株较雌株早约20年进入花期；天然东北红豆杉小孢子叶球数量平均为大孢子叶球数量的3倍，大孢子叶球转化为果实的数量不足1/10，孢子叶球数量、结实数量与样株的胸径、冠幅、树高显著相关，与其他立地因子相关不显著；孢子叶球数量在冠层间的分布呈现由上至下的递减规律，而结实数量在冠层间沿中、上、下递减，结实率沿冠层自上而下递增；孢子叶球与结实数量在树冠不同朝向上也呈现出一定的特点，但总体上差异不显著。

Inflorescences solitary, axillary, often pedunculate, seated on a receptacle; receptacles at first broadly subcampanulate, soon expanded, of unisexual flowers; male and female inflorescences often separate or sometimes mixed in same receptacle, rarely male ones capitate or cymose without receptacle; involucral bracts in 1 or 2 whorled rows along margin of receptacle.

花序单生，腋生，通常有花序梗，在一花托上坐下；花托最初宽近钟状，不久膨大，单性花（植株雌雄同株或异株；雄和雌花序通常有时分开或在相同花托内混合，很少的雄性头状或没有花托；花托的总苞片1或2轮排在边缘。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。