一位西北大学的教授研究得出结论，忧虑拦阻人唾液的分泌，因此导致蛀牙。
A professor at Northwestern University proved conclusively that worry restricts the flow of the saliva, which leads to tooth decay.
本文采用中和试验，沉降反应和解离试验对135例已知血型人唾液中abh血型物质的分泌强度进行了检验，并将其分为强、中、弱三型。
Three tests (neutralization, sedimentation and dissociation) were used for determining the secretion intensity of ABH blood substance in saliva in 135 persons with known blood groups.
只要一点唾液样本，我们就能准确推定出一个人的年龄，而无需任何其他信息。
With just a saliva sample, we can accurately predict a person's age without knowing anything else about them.
你可能会觉得这不错，其实，人的嗅觉和味觉还有另外微妙的功能，"昂德希尔指出，“这些手段是在刺激你的唾液腺，让你感到肌饿。
Well duh, you may say. But smell and taste can serve another subtle function too, Underhill notes. "They get your saliva glands going, and that makes you hungry.
分析唾液样本可以推断出一个人的年龄，且误差在五岁以内。
Analyzing a saliva sample can determine an individual's age to within five years.
另外一种说法甚至更让人吃惊，认为冲突的配色方案可能会对“唾液分泌”产生有害影响。
Another suggested, even more alarmingly, that clashing colour schemes might adversely affect "salivation".
此外，有些人可以通过唾液被感染，即使这些人从来没得过疱疹。
However, some people can transmit the virus through their saliva at any time — even if they never get cold sores.
人与人直接接触导致感染蔓延，呼吸道分泌物，唾液，疱疹的脓液或患者的粪便都是潜在的传染源。
Infection is spread from person to person by direct contact with nose and throat discharges, saliva, fluid from blisters, or the stool of infected persons.
蛇的唾液本来和我们人的消化液一样柔和，但经过漫长的时间，演变成了今天仍无法分析清楚的毒液。
Over the periods their saliva, a mild, digestive juice like our own, was converted into a poison that defies analysis even today.
蛇的唾液本来和我们人的消化液一样柔和，但经过漫长的时间。
Over the periods their saliva, a mild, digestive juice like our own.
正如巴甫洛夫的狗一听到铃就分泌唾液，人遇上和某些食品有关的活动就会想到吃。
Just as Pavlov's dogs learned to salivate at the sound of a bell, the activities we associate with food can become signals to eat.
通过分析牙咬或在咖啡杯上留下的唾液痕迹，实验室的专家们可以把犯罪嫌疑人的年龄缩小到五年的范围之内。
By analyzing the traces of saliva left in a tooth bite or on a coffee cup, lab experts could narrow the age of a criminal suspect to a five-year range.
结论：人全唾液能抑制体外培养的NIH - 3t3细胞的粘附，但对MEC - 1细胞的影响不大。
Conclusion: Human saliva may inhibit adhesion of NIH-3T3 in vitro, but it had little effect on MEC-1 cells.
硝酸盐 类物质存在于人的唾液中以及一些存储的食物中。
Nitrates are present in the human saliva, as well as in some preserved foods.
水煮鱼浓重的麻辣口味，大大刺激了人的味觉神经，唾液、胃液分泌增多，胃肠蠕动加速，使人兴奋。
Boiled fish thick spicy taste, has stimulated people taste nerve, saliva, gastric juice secretion increased, gastrointestinal peristalsis acceleration, make a person excited.
水煮鱼浓重的麻辣口味，大大刺激了人的味觉神经，唾液、胃液分泌增多，胃肠蠕动加速，使人兴奋。
Boiled fish thick spicy taste, has stimulated people taste nerve, saliva, gastric juice secretion increased, gastrointestinal peristalsis acceleration, make a person excited.
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