同种的

Nature, most elements have two or more isotopes, the same kinds of elements in the quality of the various isotopes of different, but the types and proportion constant (except for radioactive elements). In 1961, the carbon content of the most abundant in nature, a kind of isotope, carbon-12 atom of a quantity and quality of C as a 12 mass units to it as "benchmarks" for all isotopes of an element according to the average abundance The ratio of the benchmark is the atomic weight of this non-prime, that is listed in the periodic table of atomic weights.

自然界中大多数元素都有两种或更多的同位素，同种元素的各同位素质量不同，但其种类和比例是恒定的。1961年，把碳在自然界含量最丰富的一种同位素，碳12的一个原子的质C量定为12个质量单位，把它作为"基准"，某种元素的所有同位素按丰度的平均值与基准之比，就是这种无素的原子量，即元素周期表列出的原子量。

In order to prove the reliability, test studies have been primarily carried out in the indoor soil bin. The data of the vehicle driving state parameters under the same or different terrain are analyzed. The process curves are compared by different control schemes. The theoretical model of the optimum driving state is reliable and fuzzy control scheme is feasible. The disturbances and unknown factors of control system are analyzed. Test results prove that the half-tracked air-cushion vehicle can drive steadily under control of the computer. At the same time the sensors used to measure soil mechanics characteristics on line need to be developed. And it is the important problem to be solved in the future study. The necessary regulation and correction are put up. So the studies in this paper provide some instruction for the further research work.

为了验证本文提出的最佳工作状态及最佳垫压理论，并分析控制系统的可靠性和稳定性，本文在半履带式气垫车的模型车上，在室内土槽中进行了初步的实车性能和理论验证试验，考察了在同种和不同土壤条件下气垫车的行驶状态参数的测量数据，比较了采用不同控制方法下的过程曲线，验证了最佳工作状态的理论模型和模糊控制系统方案的可行性与可靠性，从而保证了采用自整定模糊PID控制器能够使半履带式气垫车在稳定行驶最佳工作状态下；同时通过试验研究，分析了系统中各干扰与未知因素，对控制方案进行了相应的调整和修正，为今后进一步的研究工作提供了一定的指导。

In addition this paper,"Bio-Rad method," two parasitic wasps of the post-embryonic development the process of protein accumulation in young bees and the host Plutella xylostella in this process in vivo haemolymph protein content were measured and found that over time, was gifuensis parasitic larvae of the diamondback moth haemolymph protein content showed an upward trend in nearly a straight line, Ichneumonidae parasitic For example, in the early parasitic diamondback moth haemolymph protein content also showed the trend of slow growth, but in the mid-and late parasitic young bee about to be completed in the development of the host body when to stop feeding, a significant downward trend却呈, and significantly lower than the third day of its own protein content; on the same day of the different species of the diamondback moth parasitic wasp hemolymph protein content compared Ichneumonidae Parasitism of diamondback moth have hemolymph protein content than in the third and fourth day after the parasitic Braconidae hemolymph content to be high, but very different in the case of the fifth day, as evidenced by her side after the parasitic bee moth haemolymph protein content is cocoon of the parasitic bee hemolymph protein content of 0.7 times.

另外本文采用"Bio-Rad法"对两种寄生蜂胚后发育过程中幼蜂蛋白积累及寄主小菜蛾在此过程中体内血淋巴蛋白含量进行了测定，结果发现随时间的推移，被茧蜂寄生小菜蛾幼虫的血淋巴蛋白含量是呈近直线增加趋势，而对于姬蜂寄生来说，在寄生初期小菜蛾血淋巴蛋白含量也呈缓慢增长趋势，但在寄生中后期，幼蜂即将完成在寄主体内的发育取食停止时，却呈大幅下降趋势，且明显低于其自身第三天的蛋白含量；对同一天的被不同种寄生蜂寄生的小菜蛾血淋巴蛋白含量进行比较，姬蜂寄生过的小菜蛾血淋巴蛋白含量在第三天和第四天均比茧蜂寄生后的血淋巴含量要高，但在第五天的情况大不相同，表现为被姬蜂寄生后的小菜蛾血淋巴蛋白含量是被茧蜂寄生的血淋巴蛋白含量的0.7倍。

The spore germination and gametophyte development of 21 ferns are studied. It indicates that :① the development period of prothallium and young sporophyte of the same species is different due to seeding time of spores;② the optimal temperatures of spores germination and gametophyte development of 21 ferns are about 15 -24 ℃;③ the rate of spore germination of rare ferns is much lower than the ferns which occur large populations in nature;④ the treatment with GA 3 can accelerate the germination of the spores;⑤ the prothallium changes from large to small, green to yellow when young sporophyte comes out. The prothalliums of all 21 ferns die away after the appear of the 3rd leaf of sporophytes;⑥ shapes of the 1st and 2nd leaves of the young sporophyte are different from those emerged later;⑦ spores cultured in dark can not germinate;⑧ a prothallium can develop only one young sporophyte though it has many archegoniums, and the spore propagation with leaf mould substrate is an economical method.

摘 要：以腐叶土为培养基质，对 21 种蕨类植物进行了孢子萌发和原叶体发育的研究，结果表明：①不同时期播种的同种蕨类的孢子，发育出原叶体和幼孢子体所历经的时间长短不同；②孢子萌发和配子体生长发育的适宜温度约为 15 ～ 24 ℃；③稀有蕨类的孢子萌发率低，而在野外能形成较大种群的蕨类的孢子萌发率高；④用 GA 3 处理孢子可以促进萌发；⑤当原叶体上长出幼孢子体时，原叶体由大变小，由绿变黄， 21 种蕨类的原叶体都在幼孢子体上长出第 3 片叶时消失；⑥幼孢子体上长出的第 1 、 2 片叶在形态上与以后长出的叶不同；⑦孢子萌发需要光；⑧ 1 片原叶体尽管有多个颈卵器，但仅发育出 1 株幼孢子体；⑨利用腐叶土进行蕨类孢子繁殖是一种经济实用的繁殖方法。

The results showed that the population administered with free adjuvant cholera vaccines,both low dose group and common dose group,occurred the weak adverse reaction with 10￣25% rate.The reaction rates between two dose groups of the same vaccine have not significant difference;The reaction rate of the first inoculation(19￣25%) is higher than those of the second inoculation(10￣15%)(P 05);The inoculating local reaction is very light ,only the very few subject occurred the scleroma with 15 mm of diameter.The reaction of aluminum absorbed cholera vaccine is slightly stronger than those of other groups.

结果表明，不加铝佐剂的O139型霍乱菌苗及O1群霍乱菌苗，不论是低剂量组（两剂全程接种45亿菌体）抑或常剂量组（全程接种90亿）接种人群均可产生10～25％的体温呈轻度升高的弱反应，并且同种菌苗的两剂量组的反应率无显著差异；第一剂接种的反应率（19～25％）较第二剂接种的（10～15％）高，P＜0.05；接种局部反应轻微，只有个别受试者出现直径小于15mm的硬结；加佐剂的O1群吸附霍乱菌苗的反应较其它组强。

The result which was gained through experiments shows that the transverse tensile brute force of short-fiber non-woven fabric composite is higher than that of long-fiber non-woven fabric composite, but the transverse tearing brute force is lower than that of long-fiber non-woven fabric composite when the thickness of two kind of non-woven fabric composite are the same.

经实验发现，同种厚度短纤非织造布基布的横向拉伸性能优于长纤的，横向撕裂强力次于长纤的。聚酯非织造布基布的横向拉伸强力优于聚酯和尼龙混纤非织造布基布的，而横向撕裂强力两者均较差。确定热敏凝胶体系并研究其对基布横向力学性能的影响。

During numerical simulation,the scale effects of the microstructure of the honeycomb on its structural mechanical performance was studied through changing the scale factor of its unit cell while the volume fraction of the materials remains unchanged.

数值模拟实验中，在材料组分比一定的情况下，通过缩放因子改变单胞尺寸，研究同种蜂窝微结构对结构力学性能影响的尺度效应；同时验证了不同多孔材料微结构构型对结构刚度的影响；在稳态温度载荷的作用下，热变形引起弯曲变形，利用微结构的构型差异和尺度效应共同作用实现结构最大挠度的控制。

Parameterized unit cell of 3-D five-directional braided composites;2. During numerical simulation,the scale effects of the microstructure of the honeycomb on its structural mechanical performance was studied through changing the scale factor of its unit cell while the volume fraction of the materials remains unchanged.

数值模拟实验中，在材料组分比一定的情况下，通过缩放因子改变单胞尺寸，研究同种蜂窝微结构对结构力学性能影响的尺度效应；同时验证了不同多孔材料微结构构型对结构刚度的影响；在稳态温度载荷的作用下，热变形引起弯曲变形，利用微结构的构型差异和尺度效应共同作用实现结构最大挠度的控制。

Result: The shoe gum that contains toluene and fourth ketone its LC50 lowest, contain ester only kind shoe glue LC50 is highest; The LC50 of female Xiaobai rat is less than male Xiaobai rat; The LC50 when the temperature of shoe glue environment of akin composition is high is low; The symptom that the shoe gum that contains toluene and fourth ketone produces after contamination of small white rat is much, restore time to grow, pathology sees drop of liver lung haemorrhage.

结果：含甲苯与丁酮的鞋胶其LC50最低，只含酯类的鞋胶LC50最高；雌性小白鼠的LC50小于雄性小白鼠；同种成分的鞋胶环境温度高时LC50低；含甲苯与丁酮的鞋胶小白鼠染毒后产生的症状多、恢复时间长，病理可见肝肺出血点。

For the quality of ferroalloy, a series of ferroalloys have been researched by differential thermal analysis and thermal gravimetric analysis .

利用差热技术对不同的铁合金产品进行差热分析，结果表明，不同的铁合金产品具有不同的差热曲线，而且对于同种铁合金，易粉化的与不粉化的铁合金产品的差热曲线也不相同，这就为铁合金的质量评价提供了一种新方法。

The objective is to subjugate and discourage the people, because that allows the elite to continue to rule unopposed.

其目的是压制和打击人民的积极性，因为这可以让实权派继续统治不会沦为反对派。

GOD,this is the second time you vanquished me!

天啊，这是第二次你打败了我！