We have a weight on the piston, and that weight is chosen so that p2 it acts as though p external is equal to p2.
让活塞上放一重物，让它的效果刚好,等同于外压强。
Results The difference in the incidence of feeding intolerance between newborns with different birth weight were statistically significant (P< 0.01).
结果不同出生体重新生儿喂养不耐受发生率不同，差异有统计学意义（P<0.01）。
There's no significant difference of the length percentage and weight percentage of different segment in different species hearts (P>0.05).
各组心肌带各段占整体的长度、重量百分比差异无统计学意义（P值均大于0·05）；
Postnatal weight and pregnant weeks were not correlated with Doppler parameters (P>0.05).
出生体重轻重、妊娠周数多少与多普勒参数无关（P＞0．05）。
The results showed that there was significant difference (P<0.01)ir. the body weight between the broilers of group supplied with light and the control group.
结果，实验组鸡的增重显著高于对照组（P<0.01），其甲状腺滤泡上皮细胞及滤泡腔内胶质均呈现功能活动旺盛的构相。
But the phosphate group per unit weight of NHCPand P-NHCP decreases to 65% and 32% of normal cells respectively.
但单位重量非组蛋白及磷酸化非组蛋白所含磷酸基团反而下降，仅分别为正常肝的65%和32%。
Results There was no significant difference between the two groups of height, weight and head circumference(P>0.05).
结果两组婴儿的身高、体重、头围评价差异无显著性，P>0.05。
There were no significant differences in sagittal otolith weight between otolith in pairs(P>0.05), the left sagittal otolith was used in this research.
成对t检验显示，左右矢耳石间的重量无显著差异（P>0.05），选用左矢耳石为研究对象。
Results: There were no differences in age, body weight, previous laparotomy , the size of cysts, operating time and rupture rates of cysts between two groups ( P>0.05).
结果：两组在年龄、体重、剖腹术史、囊肿大小、病理类型等方面差异无显著性（P>0.05）。
Therefore, the relative total dry weight of rice would be an important evaluation or screening index for the low P tolerance ability of rice at its seedling stage.
因此，水稻相对单株干重可以作为苗期筛选水稻耐低磷基因型的一个筛选指标。
The result showed that except the height of the children below 3 years old, the height and weight of the other children were all significantly higher than the corresponding age value from WHO(P<0.01).
结果发现除了3岁以内的幼儿身高外，其余身高和体重数据均显著大于相应年龄的WHO参考值（P<0.01）。
The sweet flavor and green flavor had good effect on dairy cow weight and body condition, but the weight and body condition scoring of each group had not significant difference(P>0.05).
甜味剂处理和绿色剂处理对奶牛的体重和体况作用效果都有较好改善趋势，但各组间体重和体况评分差异都不显著（P>0.05）。
The results of sandy culture showed that the dry weight of shoot and yield of biomass of DT and DTXC decreased under low-N, low-P, low-K stress.
砂培试验表明，在低氮、低磷、低钾胁迫下，东塘、东塘西侧地上部干重、生物学产量降低；
Results two groups of jaundice faded time, weight and complication rates compared to differences statistically significant (P < 0.05).
结果两组黄疸消退时间、体重及并发症发生率比较，差异具有统计学意义（P<0.05）。
Results showed that body weight, weight of immune organs, and T lymphocytes proportion decreased significantly in mice after exposure to lithium(P<0 05 and P<0 01, respectively).
免疫器官重量显著降低；T淋巴细胞百分数明显下降（P＜0．05，P＜0．01），说明锂对小鼠的细胞免疫机能可产生一定程度的损害。
Tibia weight(to live weight ratio), content of ash of dehydrated and degreased tibia were not affected by the levels of supplementation of phytase(P>0.05).
各组间胫骨相对重和脱水脱脂胫骨灰分含量的差异不显著（P>0.05）。
High dose Kanglebao could also increase the thymus weight (P<0. 05), but it had no effect on the spleen weight in the YDM(P>0. 05).
康乐宝高剂量组还可明显增加阳虚小鼠胸腺重量（P＜0．05），但对脾脏重量无明显影响（P＞ 0．05）。
The research aimed to study the effects of dietary levels of protein, Ca and P on the daily weight gain of Gushi white geese during growth period.
研究饲粮蛋白质、钙、磷添加水平对生长期固始白鹅日增重的影响。
The weight of 3 co-nesting pigeons and non-nesting pigeons is similar, but the repayment of fodder evidently increases(P<0.01).
并窝3只的乳鸽体重增长与非并窝的乳鸽相似，但饲料报酬明提较高，重料比差异极显著（P<0.01）；
There was no excessive systemic toxicity in this assay except for slightly increased liver weight in the highest AN-treated group(P<0 05).
丙烯腈各剂量组除最高剂量组肝脏重量有轻微增加外（P<0 .0 5 ） ，受试动物未出现明显系统毒性。
Results: No significant differences were found in skin fold of upper arm and scapular (P>0.05). Also no changes were found in body weight, perimeter of hip and waist (P>0.05).
结果：世锦赛后。 无论男划组还是女皮组，比赛前后肱三头肌与肩胛下皮褶厚度均无显著性差异（P>0.05）：体重、腰围及臀围也无明显变化（P>0.05）。
Shi C. H. , J. G. Wu, J. Zhu, L. J. Fan and P. Wu, Developmental genetic analysis of milled rice weight at different filling stages in indica rice (Oryza sativa L. ).
石春海、吴建国、朱军、樊龙江和吴平，籼稻精米重量性状的发育遗传分析。
The results are as follows: N fertilizer was the major factor on the number of leaf, fibrous root, and the fresh weight of root and leaf, K fertilizer and P fertilizer then followed.
结果表明：影响知母叶片数、须根数、根茎鲜重和叶片鲜重的主要因子是N肥，其次是K肥和P肥；
The body weight and the organ coefficient were all lower than the control group, but only brain coefficient of the high group between the control group were statistically significant (P<0.05).
染毒大鼠体重、各脏器系数均低于对照组，但只有高浓度组大脑脏器系数与对照组比较差异有显著性（P<0.05）；
The changes of thymus gland weight, bursa weight, spleen weight and HI antibody titer were not distinct(P>0.05).
胸腺、法氏囊和脾脏重量及血清HI抗体滴度亦无显著变化（P>0.05）；
Results They had a facilitation on body weight, brain weight, cerebral cortex thickness and forage transportation rate. There was a significant difference compared with the control group (P<001);
结果：生脉饮及其成分对小鼠体重、脑重、大脑皮层厚度及饲料转化率有促进作用，与对照组比较有显著差异（P <0 0 1） ；
Results: Average height and weight of these kids is lower than that of the kids from other nine cities except 5 year-old kids group. (p<0.05, P<0.01).
结果儿童身高、体重均值（除5岁组外）均比九市区身高、体重均值偏低（P<0.05、P<0.01）。
The average placental weight of L-arginine treated groups were increased significantly compared with Model group (P< 0.01).
结果模型组大鼠胎盘重比对照组明显下降，L-精氨酸防治组与模型组相比，胎盘重量明显增加（P<0.01）。
Results: There was significant difference in left ventricle weight contrast and left ventricle weight index contrast (P<0.01)before and after the treatment .
结果：治疗前后左心室重量对比及左心室重量指数对比均有极显著性差异（ P<0 .0 1 ）。
Results: There was significant difference in left ventricle weight contrast and left ventricle weight index contrast (P<0.01)before and after the treatment .
结果：治疗前后左心室重量对比及左心室重量指数对比均有极显著性差异（ P<0 .0 1 ）。
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