pecker

n.

啄木鸟，鹤嘴锄，精神；

复数：peckers

1. Keep your pecker up to try to stay happy when things are difficult.
   当事情糟糕的时候，让自己打起精神来保持快乐。

Dynamique des sols
Heparanase as mediator of angiogenesis: mode of action
Nitric oxide regulates cardiac Ca2+ current. Involvement of cGMP-inhibited and cGMP-stimulated phosphodiesterases through guanylyl c...
Expression of heparanase in normal, dysplastic, and neoplastic human colonic mucosa and stroma. Evidence for its role in colonic tum...
Heparanase expression in primary and metastatic pancreatic cancer.
Cloning and characterization of the cDNA for lycopene β-cyclase from tomato reveals decrease in its expression during fruit ripening
Metabolic engineering of astaxanthin production in tobacco flowers.
Mammalian heparanase as mediator of tumor metastasis and angiogenesis
Molecular properties and involvement of heparanase in cancer progression and mammary gland morphogenesis.
Synthesis of nanoparticles with femtosecond laser pulses